⭐ Show Us Your Cut Stones - Before And After Photos

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1434626270_enstatite2.jpg

1434626432_enstatite.jpg

Enstatite Just thought I might add for your info Terry :)
 
Thanks Sodabowski, that is a lovely example of dichroism. I shall try what you suggest after work tomorrow and see what happens. Do all tourmalines behave in this manner?
Terry
 
Fossickeract - that is most definitely one of the stone types - I have many examples very similar. That is the one I have been describing as an olive colour. It is definitely longer than wider, quite angular and showing striations.
Thanks for that.

Are they worth cutting if they have sufficient size?
Terry
 
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.
 
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.
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.
Terry
 
Yes small crystals of peridot, bright apple green or yellow green comes out of the basalt. Oh diamonds have been found too!
 
Just type diamond rough into google images and you'll get thousands of images come up. they are a very nice looking stone in the rough, many interesting shapes. Totally different to the typical sapphire hexagonal shape.
 
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.

I love the Sergeant stripes chevron pattern in the bottom one Sodabowsk. Wish the dark blue colour would become popular again, I have a few darker pieces. :) Though you can't beat a nice Inverell NSW Sky Blue Sapph, they really are something special.
 
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

Its the raw stone on a shot glass with torch under it, the same cut stone is the ring.
 
Explorer385 said:
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.
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.
Terry
yes it is mate nice change finding them they look man made some of them such nice colour ;)
 
I've got a few bags of green stones - mostly Enstatite and Peridot, probably a couple which could be reasonable - I will have to go back through them now and get some photographs and put up. Thanks to all who have combined to help me identify them - I can now safely give them some labels!

Bout to start a new thread, on a different question but won't cloud this particular thread....

Terry
 
My first ever "cut" stone.

Sorry I didn't get a before picture, kind of just jumped straight into it!

I think it was called black jade? Done at my first lap club session.

Being my first, naturally at a cab.

Took roughly 3 hours, finished with a dry 1500 and dry 2000 grit.

Can't wait to do more! Pity it's a hour away from where I live but should be able to get there once a week at least!

Tom

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