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Famous Opals Halley’s Comet Opal.

Famous Opals Halley’s Comet Opal.

Posted by on May 5, 2014 in Australian National gemstone., Famous opals, Opal ring, Articles Jewelry., opals |

Famous Opals Halley’s Comet Opal, Guinness Book Of Record Gemstone. Opals from Graham’s official Government Heritage opal mine location, next to famous opal discovery that produces Australia’s official federal symbol the gemstone opal. Graham’s place is in the same area as the Guinness book of record opal about 50m away, location at 3 mile rd Lightning Ridge and now with official government Heritage listing, because the quality of 3 mile opal mine’s, is the best quality opals ever discovered. HALLEY’S COMET OPAL ON YOUTUBE. Video Given To Me From Claim Holder Terry Barklay, But Terry Was Not Working That Day The Team Discovered This Famous Halley’s Comet Opal. Terry passed away at the very start of this millennium and his brother Lantz that work with him and live with him in the Main Street not far from the Newtown hotel or Nobby’s in Lightning Ridge Australian passed away not long after. Halley’s comet opal discovered about 50 meters from Graham opal hunter claim at 3 mile Lightning Ridge Australia.  The famous gemstone discovered in 1986 at three mile Lightning Ridge in the State of N.S.W Australia,the Halley’s Comet Opal is one of the largest uncut black opal discovered in modern times with few flaws 13.99 ounces 396.50 grams 1982.5 carats mostly green color on dark black blue. 0.63 in 1.6 cm thick color bar natural shaped color bar has been faced polished a little bit. Barclay brothers who held the least to the mine and Gary who provided the earth moving equipment wanted $1.2 million once optioned in Japan for $6,000,000,000 but never made the price and was handed in. Measures 66 x 63 millimeters or 4 x 2 5/8 x 2 1/2 in.1986 Halley’s Comet could be seen from Earth as the opal resembled the comet it was simply named. Famous opal Halley’s comet opal location. Video viewing the uncut black opal for the first time after 110 million year’s underground, the gemstone was retrieved from beneath a very old workout mine, Old Terry used to walk passed it for many years unto he decided to gamble and open cut. YouTube video below shows the last famous opal mine being open cut at Graham’s mine a stones throw from where the famous Halley’s comet Guinness book of record opal gemstone was discovered at the three mile lunatic hill mines. Famous opals 3 mile Heritage mines in Australia at Lightning Ridge, Halleys Comet opal and the Opal hunter mine”List as an item of environmental heritage in LEP National Trust of Australia Register”. Photograph of Halley’s Comet Opal and the mine at Lightning Ridge Australia. About Graham jewelry designers specializing in limited heritage certificate of authenticity Australian opals,Graham Black opal mine and leaning tree claim Heritage Register Submission read “Opal more rarely, specimens contain precious opal”And these are surely among the most beautiful natural objects on earth. The opal is of...

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Opal Necklace Handmade.

Opal Necklace Handmade.

Posted by on May 4, 2014 in Australian opal jewelry, Black opal jewellery, Black opal jewelry, Care for opal jewelry, Handmade opal jewelry, Handmade opal necklace, Jewelry October, october birthstones, opal jewellery, Opal jewelry, Opal ring, Articles Jewelry., selling opal jewelry |

Opal necklace online how to find opal jewelry United States of America. Opal necklace handmade opal jewelry custom made Sale about 75% Savings Off your own free personal handcrafted opal jewellery design, if you purchase one of our wholesale opals over $199 US, the goldsmith will make free your choice in design pendant free or Australian handcrafted opal ring free , you pay International going price for gold or silver, delivery insurance free to your address. Custom crafted specialist opal jewelry is a lot cheaper at this site because the owner is the primary opal producer mining in Australia, plus you have gone direct to the goldsmith graham handcrafts jewelry and designs and has open cut his own Australian opal mine which is famous. Also wholesale prices and the best opals ever discovered in Australia at official government Heritage listed opal mine, Heritage listed NSW because the gemstone quality is know internationally as the best deposit of opal gemstones ever discovered at 3 mile opal mines. Opal necklace no other gemstone can display all the colors of the spectrum in the United States of America USA like opal, no two are identical the gem is unique.  About us jewelry designer cutting specializing mining in Australia ,we have limited heritage stones with certificate of authenticity,  Australian gemstones wholesale prices only at Graham Black Opal necklaces . Opal necklace specialist Graham has the best prices for unique handmade opal necklace, and the best quality opals ever discovered, direct from Goldsmith Master Artisan that did not major in British English, but you will not find more honest affordable custom jeweler, excuse the graphic web designer also because the guy’s from India. Sale Wholesale prices Australian opal rings,black opal rings and handmade jewelry,black opal jewelry and Australian opal jewelry. Custom Opal Jeweller Handmade Opal Rings. Opal necklace jewelry stores at wholesale price direct & Graham provide you with a certificate, we are Australian opal gemstone specialist in the Industry .  Over 40 years experience in the industry prices in $U S dollars for custom Australia opal jewelry , Australian opal rings and black opal rings, handmade jewelry, black opal jewelry and necklace online. Opal necklace online. This industry could collapse the miners operation about 100 kilometers around Lightning Ridge are receding,at Lightning Ridge the industry mining costs have skyrocket. The mining town is on the border of NSW-QLD Australian Only deposits of N1 N2 body tone gem A+ grade black opals in the world. I went there 37 years ago there was a little town in Australia and people that had no money could go opal mining that day, it was straight forward $12 Australian dollars to work a claim, 20 years later a big town 10 years ago about 5,000 mining titles, ever year mine’s now down changes are affecting Lightning Ridge 10 years ago mining $50 you could peg a claim. People that are not miners...

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Opal Information Opal Rings.

Opal Information Opal Rings.

Posted by on Apr 27, 2014 in about opals, Australian opal centre, Australian opal jewelry, Australian opal ring, Black opal jewellery, Black opal jewelry, Black opal rings, Care for opal jewelry, Lightning Ridge opal miners, National symbols Australia, Opal ring, Articles Jewelry., Polished opals |

Opal Information black opal gemstone also. Opal Information 75 per cent of all opal on the market in 2008 2014 comes from the country of Ethiopia, and the majority is C grade and lower grades crystal. This opal lacks play of color Ethiopia stones simply are named common stones, the country supply come from the dry and remote deserts of Ethiopia Wello. Prior year 2008 crystal came from Australia with all fine stones along with A+ grade group of fine gems includes all number of wonderful red/black gems of superlative brilliance gemstone . Characteristic fantasy Australian gemstone, “sparkle in a continually fire or play of colors”, in every conceivable pattern – including harlequin, picture stones and Chinese writing,play of colors describe opals. Australian Opal Rings.   The first British and European prospectors pioneers explores that heard about the rare multicolor that sparkled dazzling red fire from rocks and stones, travelled to these locations and started the first opal mining fields. Hard men it was all blood sweat and tears in the semi-arid deserts no fresh water most of the year, stinking hot summers and cold winters, all backbreaking work by hand. No machinery, candle lighting shovels and picks and a hand held windless to wind up a bucket of clay from the bottom of the shaft. A cable was connected to the bucket back to the handheld windless that have to be rotated 360° many times by manpower to allow the bucket to come to the surface under intense heat. The history of Australian Opal began about 75 million years ago,the country was covered by an inland sea, sediment deposited on the shoreline,water flooded back and flushed water silica niches into the rocks also the remains of animals trees . Water silica stone transformed into this gemstone. In 1960s a team of scientists analyzed this stone with an electron microscope the phenomenon play-of-colors was discovered spheres interference and refraction responsible for turning colors of the rainbow new and always different in every Australian gemstone. Australian opal Information . Information about us jewelry designer specializing in limited heritage certificate of authenticity Australian opals , Graham Black Opal mine only leased listed on State Heritage Register List as an item of environmental heritage in LEP National Trust of Australia Register. Wholesale prices direct from our Australian opal mine, free of charge when purchasing stones over $199 Custom jewelry design made free, but it is the beauty of this gem that makes it appreciate and there never is two opals the same. Master jeweler 40 years specializing in opal cutting and open cut mining. More Opal Information can be found at www.grahamblackopal.com Pprice of dollars stones value per carat- 1 grams = 5 carot to a gram, based on criteria number of colors, pattern type, color brilliance, the cut, the size , perfection of the stone, black N1 N2 N3 to N9...

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Buying Guide Opals Gemstones.

Posted by on Apr 24, 2014 in about opals, Australian opal jewelry, Australian opal ring, Black opal earrings, Black opal jewellery, Black opal jewelry, Black opal rings, Black opals, buy sell custom opal rings, How to price opals, Opal mining, Opal ring, Articles Jewelry., opals, Polished opals, selling opal jewelry, Tucson Gem Show, Wholesale opals |

Buying guide opals and Black opal . Buying guide opals precious opal from Australia that shows fire a play of color, buying guide for opal gemstones the stone is a mineraloid with internal structure. Australian precious stones composed of spheres of silica ,diffraction light at micro measurements 150 to 300nm diameter that make play of colors, this determines how much money you pay for precious gem from Lightning Ridge Australia.   Buying guide opals guys forget about the scientific stuff, if you’re buying a gemstone you need to get down to grassroots the basic how much is opal in dollars?  Buy the opal that appeals to you first off and do your homework on the Internet before purchasing. The best and most precious black opal predominantly red multicolor, high cabochon perfect dimensions for a lady ring two carat symmetrical oblong or-round cut stone, a classic pattern Harlequin,Chinese writing ,cats eye pattern. Five out of five fire in dark conditions and light conditions meaning outside and inside, the stone must be extremely bright good Clarity no flaws cracks sand or grey color, or lines on the face of the Opal. The back of the stone must be very black allowing light to come through the face colors, come through and touch the back of the colors, that are visual from the front of the gemstone and reflect back off the black back of the stone. And when rotating the stone you must see colors at every angle and the fire must reflect strongly for every angle when rotating the gem. Australian Opal Rings. Graham custom jewelry designer specializing in limited heritage opals with certificate of authenticity master jeweler, 40 years specializing in custom-design jewelry and opal cutting, wholesale prices direct from our Australian mines. Graham Black Opal Jewelry promotion free of charge when purchasing stones over $199,one custom jewelry design made free, but its the beauty of this gem that makes it appreciate and there never is two opals the same. We have the only mine leased listed on State Heritage Register List as an item of environmental heritage in LEP National Trust of Australia Register . Buying Guide for opal gemstones. Buying guide opals the next most precious opal is crystal have similar characteristics as precious, red multicolor a classic pattern Harlequin,Chinese writing ,cats eye pattern. High cabochon good Clarity perfect dimensions for a lady ring, two carat symmetrical round cut or oblong stone. Five out of five fire in dark conditions and light conditions meaning, outside and inside the crystal must be extremely bright. And when rotating the stone you must see colors at every angle the fire must reflect strongly also every angle when rotating the gem. No flaws grey color lines on the face of the opal,cracks sand in the face of the colors.The back of the stone must be transparent through to the top of...

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いらっしゃいませ

Posted by on Apr 20, 2014 in Black opal jewelry, Black opal rings, opal jewellery, opal ring, opal ring, Opal ring, Articles Jewelry., いらっしゃいませ |

いらっしゃいませ いらっしゃいませ オパール専門販売サイト、グラハムブラックオパールへようこそいらっしゃいました。弊社はオーストラリア、ライトニングリッジのブラックオーパル採掘場で採掘された最高級のオパールを提供、販売しております。 グラハムブラックオパールはオーストラリア、ライトニングリッジのスリーマイルオパール採掘場で発掘されたソリッドブラックオパールとオパールジュエリーを取り扱っております。スリーマイルオパール採掘場は世界で最も豊かなオパール採掘場として知られており、世界最高の品質のソリッドブラックオパールを産み出しています。 グラハムブラックオパールはソリッドオパールをアメリカ合衆国に始まり、日本、ヨーロッパ、そしてミドルイーストに輸出しています。 ブラックオパールとは？ Black opals lot cheaper hear because you have gone direct to the primary producer goldsmith designer that open cut his own Australian opal mine. Here you are going direct wholesale prices to Mr Graham Black site and shopping cart, with the best deposit of Australian opals ever discovered from the only official government Heritage listed opal mine in the country of Australia, Heritage listed because the quality is the best deposit of opal gemstones ever discovered anywhere in the world. Graham’s handmade opal rings from the only Government Official listed State Heritage Register opal mine. List as item of environmental heritage LEP National Trust of Australia Register. The best quality opal gemstones ever discovered in the world. Handcrafted Black Opal Rings. いらっしゃいませ ブラックオパールは１８８０年代、オーストラリア、ニューサウスウェールズ州、ライトニングリッジで発見され、それ以降ブラックオパールは世界で最も輝きのある魅力的なオパールとして知られており、世界中で高く評価され、高い需要を誇っております。ブラックオパールはそのダークグレイからブラックの濃淡からなるボディから名付けられており、そのボディはブラックオパールの個性を出す表面のカラーを、ホワイトオパールのそれより一層引き立たせております。 ブラックオパールは数あるオパールの中でも最も貴重なオパールとして知られており、ライトニングリッジの半径７０キロメートル以内でしか採掘されておりません。それゆえブラックオパールはその貴重さを年々増していっております。 １００％満足のいく保証 万が一受け取った製品がお気に召さなければ、またウェブ上での製品の記述と商品が一致しなければ、ご購入後３０日以内に商品を受け取った時の状態のまま包装とともに弊社へお送りください。商品のお取り替え、あるいは全額返金とさせて頂きます。 ラッキーアドベンチャー　ぼろ切れから億万長者へ 私は二人の男を知っている。一人はライトニングリッジのタウンシップに生まれ、もう一人は名も無い町、彼の幸運を試す事の出来るアウトバック（オーストラリア中部の砂漠、荒れ地）に生まれた。彼らが３０歳に差し掛かった頃、彼らはそれぞれ１０ミリオンドル（１億円）に値するようになっていた。 彼らが若かりし頃、二人でチームを組みトラックに乗り込み、アウトバックへと探検へ出た。彼らはドリルで地面に穴をあけ、オパールが取れるとされる深い地層の土を洗う事により、オパールの有無の確認をしていた。 いらっしゃいませ 次に彼らに会った時の私の驚きを分かってもらえるだろうか。なぜならば彼らは３０歳にして億万長者になっていたからだ。 地面に空いた深い穴からアウトバックの地表へと顔を出す最初の瞬間、裸眼はくらみ、ほぼ盲目になる。オーストラリアの太陽が採掘されたばかりの宝石の表面に差し込む時、それは人生の最高の瞬間になり得るだろう。（ライトニングリッジのオパール埋蔵量は世界中の有名なジュエリーコレクションに匹敵する。）そしてそのマジックの起こる瞬間を、あなたのその目で見なければその奇跡を信じる事が出来ないだろう。 ダイヤモンドは統制された産業、マーケットであり、世界中あらゆる場所で購入する事が出来るが、その一方、ブラックオパールはダイヤモンドのように世界中に供給する事が出来ず、個々のオパールはそれぞれ独特で個性的であり、それぞれが世界に一つだけしか存在しないまったくオリジナルな宝石である。それゆえ美しいオパールはジュエリーは個性的な人々の為だとも言えよう。 目に映る美しさ ここで恐縮ながら、私自身の紹介をさせていただきます。私は３０年間ブラックオパールの仕事に関わっており、オパールを世界中に販売する一方、ヨーロッパ、アメリカ合衆国、アジア、そしてミドルイーストからジュエリーデザイナーについて学んでおります。世界でも指折りに数えられる高名なジュエリーデザイナーとともに学び、すばらしい金細工職人たちによってデザインされたハンドメイドのジュエリーを専攻に取り組んできました。 貴重で独特なジュエリーたちは私の情熱、なぜならばそれらは、特に女性の襟元にさりげなく飾られている時、女性の美しさをより一層引き立てるからです。それらを説明できるたった一つの言葉は「 」（真の優雅さ）です。 オパールイヤリングは私の好むところ、エキゾチックなブラックオパールは世界中の女性の美を向上させます。 私は日々、従来の形に捕われず自由な発想で新たなジュエリーに日々取り組んでおります。...

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Opals cost how much.

Posted by on Apr 18, 2014 in about opals, Australian opal jewelry, Australian opal ring, Black opal jewellery, Black opal jewelry, Black opal rings, Black opals, buy sell custom opal rings, How to price opals, Opal certificates, opal ring, Opal ring, Articles Jewelry., opals, selling opal jewelry, Tucson Gem Show |

Opals cost how much money? Opals cost but how much money are you willing to pay, so first determine the type of opal you can afford.    Do you want a doublet-triplet opal they are cheaper than a solid stone,  do you want to make custom-design jewelry, rings earrings, brooch pendant necklace? Gifts etc triplets doublet are a good buy but if you have investment in mind, then buy a solid Australian black stone multicolor predominantly red, with good harlequins pattern or picture stones pattern or Chinese writing pattern galaxy pattern, all stones N1 N2 body tone and with good play of color,high dome cabochon stone with good fire. Master jeweler 40 years specializing in custom-design jewelry and opal cutting, why buy from Graham Black Opal Jewelry “wholesale prices direct from our Australian mines, free of charge when purchasing stones over $199, custom jewelry design made free with certificate of authenticity, but it is the beauty of this gem that makes it appreciate and there never is two stones the same. We have the only mine leased listed on State Heritage Register List as an item of environmental heritage in LEP National Trust of Australia Register . How much money do opals cost. Australian Opal Rings. If value is important to you there are guidelines determining the value of an all types of gemstones emerald garnets or pearls ruby’s, jade sapphires, spindle, topaz tourmaline emerald diamond, have simple – guides weight clarity and flaws will add to the value. Not so with opal factor red on black opal with brilliance fire, fire stones of 3 colors green blue orange color will be more valuable than duller gemstones. Depth flash of color with an attractive pattern is valuable,stones that are colored are more valuable . Regular shapes are more valuable than irregular shapes, inclusions decrease the value of the stone noticeable cracks and other marks on the face . Opals are not easily bought from jewelry stores, some major cities and Australian tourists business you will fine opal jewelry. Cate Blanchett wore lucky opal earrings at the Oscars, everyone noticed Cate’s jewelry as she collected her Oscar for best actress 2014. Since the end of the Corcoran rush in 1990s there has not been a lot of crystal and black stones being produced in Australian, in the recent years around 2007 the country of Ethiopia has produced the greatest quantity of crystal that is on the market today about 80% in 2014. Opals first mined around 4000 B. C. in Ethiopia, their popularity did not start until the Romans loved them around 100 B. C. By then, the majority of stone were mined in Hungary. For over a 1,000 years Hungary supplied European rulers with the treasure of opals. At the same time, Australian gemstones appeared in the market,  buyer were hesitant but Australian stones are much more stable with fire and brilliant...

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Handmade Opal Necklace.

Posted by on Apr 14, 2014 in about opals, Australian opal jewelry, Black opal jewellery, Black opal jewelry, Care for opal jewelry, Handmade opal jewelry, Handmade opal necklace, Jewelry October, opal jewellery, Opal jewelry |

Handmade opal necklace Australian opals from Lightning Ridge. Handmade opal necklace lot cheaper hear because you have gone direct to the primary producer goldsmith designer that open cut his own Australian opal mine. Here you are going direct wholesale prices to Mr Graham Black site and shopping cart, with the best deposit of Australian opals ever discovered from the only official government Heritage listed opal mine in the country of Australia, Heritage listed because the quality is the best deposit of opal gemstones ever discovered anywhere in the world. Handmade opal necklace from Graham’s only Government Official listed State Heritage Register opal mine. List as item of environmental heritage LEP National Trust of Australia Register. Handmade opal necklace the best quality opal gemstones ever discovered in the world. Handmade opal necklace the most valuable is the multicolor predominantly red black opal, but there is good handmade opal necklace white opal from Australia and crystal opal from Australia, along with beautiful Queensland boulder stone that is very affordable. Most of the opal on the market today comes from the country of Ethiopia, and the majority is C grade and lower grades crystal, the country of Ethiopia also produces some commercial B grade but unfortunately a lot comes with flaws, as most types of diamonds rubes gemstones around the world do to name only a few sapphires jadeite all can have flaws . What makes a good Opal  not only the country where they come from, but the particular location of the mine, for example Lightning Ridge the capital of the black opal industry, the only place in the world where you will find N1 N2 black body tone. There are many mining location and the 3 mile mining field, known to be the best quality. Where some of the fields around the sheep yard which is about 70 km out of town, known to have beautiful patterns but some locations are known for its bad grey webbing, on the face of black opal seem, this detracts from a patterns anywhere from 30 to 50%. Handmade opal necklace. Handmade opal necklace why buy from Graham Black handmade opal necklace,wholesale prices direct from our Australian mines,one handmade opal necklace free of charge when purchasing one stone over $199, custom jewelry design made free, its beauty this gem that makes it appreciate and there never is two opals the same. Graham Goldsmith jeweler and when it comes to this type of stone I recommend earrings pendant necklaces because they can be worn for all occasions. Cufflinks and rings if you have a very expensive gemstone in this type of jewelry then this is for special occasions as this type of opal is 6.5 out of 10 were diamonds have the strength of 10 but had their problems as everything in this world with time has wear and tear, as if you are purchasing a...

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What Makes Good Opal Jewelry Design?

What Makes Good Opal Jewelry Design?

Posted by on Apr 11, 2014 in Australian opal jewelry, Black opal jewellery, Black opal jewelry, Handmade opal jewelry, Handmade opal necklace, Jewelry October, opal jewellery, Opal jewelry, opal ring, opal ring, opal ring handmade, Opal ring, Articles Jewelry. |

Opal jewelry design makes good jewelry. Opal jewelry design design is important but the craftsmanship is as important, and of cause a custom-design is unique and therefore you are wearing the only piece of jewelry. This is design at its best as you stand out the crowd, our new website for the rest of the year we’re offering a promotion to customers,  wholesale prices direct from our Australian opal mine,   Free of charge when purchasing stones over $191  Custom  jewelry design made free,   but it is the beauty of this gem that makes it appreciate and there never is two opals the same.      We have the only mine leased listed on State Heritage Register, List as an item of environmental heritage in LEP National Trust of Australia Register.  Patience is a virtue when it comes to the goldsmith that you choose to craft and mould and shape the gemstone into a beautiful ring or maybe you would rather have a pendant or maybe a necklace.   Opal jewelry design Graham is a jeweler and when it comes to opal stones Graham recommend earrings pendant necklaces because they can be worn for all occasions.   Wear cufflinks and rings if you have a very expensive gemstone in this type of jewelry then this is for special occasions as this type of opal is 6.5 out of 10 were diamonds have the strength of 10 but had their problems as everything in this world with time has wear and tear, as if you are purchasing a diamond jewelry setting always remember purchase a diamond bigger than you need as in the future the diamond along with rubies and sapphires will need recutting. I do emphasize look for a specialist that works in opals not only rubies and sapphires and diamonds as when setting your opal into the final polish jewelry the gemstone setter is a professional on his owAs diamonds are the strongest of all the gemstone but very brittle there can be damaged also at this final process. You are much better to purchase your stone yourself if you are after a solid or a doublet what ever, “purchase with a guarantee that there has been no treatment if you are after a solid gemstone. And like I have said do your homework if you have your own family jeweler and they had worked with opals before then  this is all you need you are in good hands. Australian opals and handmade designs makes the best opal jewelry. Opal Necklace Opal Pendant $142 Size About 2″ by 7/16″, Guaranteed Money Back Genuine Opals Solid Jewelry. If you are after C grade and lower grade then there are many options for you to purchase Ethiopian opal, just remember there is no A grade Ethiopian opals and not a lot of good commercial grade either ,definite no black opal regardless what grade you are looking...

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Opal Pricing Grading Information On Buying.

Opal Pricing Grading Information On Buying.

Posted by on Apr 3, 2014 in about opals, Australian opal jewelry, Australian opal ring, Black opal earrings, Black opal jewellery, Black opal jewelry, Black opal rings, Black opals, buy sell custom opal rings, homepage, How to price opals, Lightning Ridge opal miners, Opal certificates, Opal ring, Articles Jewelry., Opals for sale, selling opal jewelry, Tucson Gem Show |

Opal pricing grading guide for opal gemstones. Opal pricing grading Australian crystal opal best crystal gemstone’s in the world by far. Australian opals have many grades A grade crystal B grade C grade D grade found in 3 States. 1/New South Wales 2/Queensland 3/South Australian, black opal the most amazing quality an expensive opal gemstones of all.       Today most crystal opal come’s from the Country of Ethiopia at the place named Wollo, lots of guys mining brown and crystal with light colors. The mines produce just a small amount of B grade stones, lots of C grade along with D also. Wollo Ethiopia play of color is not A grade play of color. Mines producing large amount’s of C grade D grade play of color. Light colors lots of orange and green with low fire on pattern grade’s C grade D grade,”but A+ good domed cabs”unfortunately a lot of Ethiopia is notoriously unstable. Information about buying stones.  Australia was the main source of stones about 95% of all opals come from the remote deserts in 3 states of Australian the hardness is 6.5 to 5.5 and is the most expensive opal stone of all. Opals are found in the Country’s of Indonesia and Honduras also Czechoslovakia, Peru and in the Country of Mexico, Brazil and in the USA . Opal pricing grading information. Since about the year 2000 South Australian crystal and white opals have not been producing a lot of stones.  New Corcoran rush around Lightning Ridge and around 1990s had lots of A grade black stones, but not a lot of opal is produced around Lightning Ridge today , Ethiopia producing lots of crystal in the recent years from about 2007 the country of Ethiopia has produced the greatest quantity of crystal that is on the market today about 80% . semi precious stones. A grade Black N1 N2 body tone gemstone from Australia only found around 100 kilometers the Township of Lightning Ridge Australian,good grade stones exhibits the phenomenon known as play-of-color, produced by the diffraction of white light through a micro-structure of orderly arrayed silica spheres to produce changing spectral hues.     Common stones do not exhibit a play-of-color. The distinction between common stones and porch is based on formation and structure. Porch is structurally similar to precious opal but has a disorderly arrangement of silica spheres, shows some degree of micro crystallinity. Australian Opal Rings. The first British and European prospectors pioneers explores that heard about the rare multicolor that sparkled dazzling red fire from rocks and stones, travelled to these locations and started the first opal mining fields. Hard men it was all blood sweat and tears in the semi-arid deserts no fresh water most of the year, stinking hot summers and cold winters, all backbreaking work by hand. No machinery, candle lighting shovels and picks and a hand held windless to wind...

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