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Enstatite Just thought I might add for your info Terry
Is Peridot found at GG. If so we might have found the other stone that I am trying to identify. The one I have described as transparent and vivid green.fossickeract said:I have a 8 carat piece from Chudley Park where it is found with peridot(Olivine) but it is a bit dark never found a big piece of enstatite or peridot from GG. If you sit the rough on white paper and it looks black I don't think its worth cutting usually. The exception is black spinel which can be used as a black onyx substitute.
Sodabowski said:Lefty I didn't know that petalite could have those delicate pink hues, more power to you
As for the dark blue saphs, indeed they had their glory days here in France, since all we can find locally is, well, small dark blue saphs
Terry, tourmalines are very easy to identify, since most display a strong dichroism: rotate each of your pieces in front of your computer screen (it's polarized light) and check out if you can see a color change depending on the axis of the stone (all the way around) like these two (among hundreds of others) specimens of my stock from Africa - the little inserted picture at the bottom of each is taken perpendicular to the axis of the main shot:
https://www.prospectingaustralia.com/forum/img/member-images/2712/1434621920_dkg-0155.jpg
https://www.prospectingaustralia.com/forum/img/member-images/2712/1434621958_dkg-0160.jpg
If you have a jewelry loupe (cheap on ebay, enough for the matter, I bought several for like $2 each) you can look inside for distinguishing features: saphs grow on a very peculiar pattern that you can often see. I bought this very specimen exactly for that matter:
https://www.prospectingaustralia.com/forum/img/member-images/2712/1434621817_kkp-0036.jpg
I don't have any Aussie zircons on hand but AFAIK you won't see any of these behaviours with them.
Explorer385 said:Twapster - your photo of the green blue sapphire above has light shining up through some type of lens. Is that the bottom of a glass with a torch beneath it?
Terry
yes it is mate nice change finding them they look man made some of them such nice colourExplorer385 said:Is Peridot found at GG. If so we might have found the other stone that I am trying to identify. The one I have described as transparent and vivid green.fossickeract said:I have a 8 carat piece from Chudley Park where it is found with peridot(Olivine) but it is a bit dark never found a big piece of enstatite or peridot from GG. If you sit the rough on white paper and it looks black I don't think its worth cutting usually. The exception is black spinel which can be used as a black onyx substitute.
Terry
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