Australian opal mines thinner the drive is the safer it will be.
We also design jewelry using opals in the design,you can have all the colors of unique rare and different gemstone from around the world in one jewelry design. Graham Black Opal offers clients free of charge when purchasing stone over $191. His jewelers will hand make professional goldsmith design jewelry to suit the gemstone purchased ,clients personal designs excepted also, we include free insurance and postage to your home.
Australian opal mines it does not particularly matter about the height of the roof as long as you can get easy access to the roof, as this is usually your best chance of finding opal under the sandstone between that and that clay level. You will find pockets of material and maybe opal’s and even seen in the floor of your claim, there are many methods of working safe underground if you need to have wide drives then you can use wood supports and wood props which are readily found around the leases. I would recommend the Australian cypress pine which has great strength and is quite tolerant to water , many people like to leave the bottom section of their drives and dig wider around the roof this method is no different to removing all the clay and having wide drives it will get more dangerous as the clay dry and starts cracking.
We are Australian opal mines .
Opal from Lightning Ridge three mile field have been recognized of the highest quality . We have the only mine lease, listed on State Heritage Register List as an item of environmental heritage in LEP National Trust of Australia 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 the highest quality, characterized by red/black gems of superlative brilliance, in every conceivable pattern – including harlequin, picture stones and Chinese writing.
Australian Opal mines,open cut mining it is always a great start if there is already a few opal leases that have been cut already adjoining your claim. As this allows you to remove all your benches and have them processed, what do I mean by benches the government department that controls the industry has strict guide lines you must follow,every 6 meters you must leave a two meter squared bench. It also makes it a lot easier if you have somewhere to dump your over burden and a big hole in the ground close by is a great place to refill.
Open cut mining for opal gemstone there are many factors you have to consider in these modern times particularly requirements of government mineral resources department there is a contract you have to full in the industry around the feels of lightning Ridge New South Wales. The good old days are well and truly gone where you jest when for your life and only hat to consider yourself and your mates. These days you must leave the landscape in the same condition prior to open cutting. Over burden must be replaced even if the farmer who owns the western plane grazing lease would appreciate you leaving it open as a dam. Being the driest continent in the world this is not acceptable by the department,revegetation of the top of the claim is also very important the top soil must be replaced a number of native trees must be replanted to its original landscape.