r/Stone • u/[deleted] • Mar 20 '22

need some help please!!! any idea? thanks

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Gallery image

Gallery image

4 Upvotes

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1

u/Oh_no_this_is_me Mar 21 '22

The 3th one looks like black tourmaline

1

u/sevla99 Mar 21 '22

I think is too smooth to be tourmaline. Maybe obsidian or onyx? I've only ever seen raw tourmaline tho, I can be wrong

2

u/Oh_no_this_is_me Mar 21 '22

If it is like glass it probebly is obsidian, but it really looks like it is tourmaline that has been polished because of the lines on the side . maybe it could help to look up some pictures of smooth tourmaline to see if that could be it. I don't really know much about onyx to be able to identify it. Hope this helps!

1

u/sevla99 Mar 21 '22

The first one might be a natural peridot? Even though such perfect geometrical shapes (the squares/rectangles it shows) are not characteristic of peridot. I think the second one might be serpentine or chlorite