Tag: rough opal

Opalized Pliosaurs and Other Fossils

Opalized Pliosaurs, and other fossils including rough opal Rough Opal is often found in the form of ancient sea creatures     Such was the case in regard to ‘Eric’ the Opalized Pliosaur which was found in the famous White Cliffs Opal mine in South Australia. Other specimens have been found at Coober Pedy and […]

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Work on Opal Without Special Machines

How to work on opal without special machines If you don’t have any machinery, you can do it by hand this way: You have to find a piece of opal that is not too large so that it can be handled easily and has a fairly flat or domed surface. Buy yourself some wet and […]

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My Hobby

My Hobby: Opal – Helpful Hints from an Enthusiast   After cutting opals for about 30 years, one day an old bloke walked into the Opal Miner’s Hut and said: “How do you “dop” an opal?” After a lengthy description of the traditional heated sealing wax method, he said “That’s a bit of a long […]

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Opal Calibration Chart

Opal Calibration Chart When you first get to know about cutting opals, the challenge is to be able to cut the stones in a perfect oval. After a while your eye gets used to it. You start using your fingers as a human lathe and you know just the right ‘touch’ as the dop stick […]

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