Ruby Zoisite from Tanzania

[hawttdawgg]

Where/How would I learn about its gem quality, probability?

 

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[BurntBear]

Very nice specimen. Are you thinking about cutting it? I'm not sure what you meant about quality. I see the Zoisite and the black looks like Biotite. Again, very nice specimen! -Luke

 

[hawttdawgg]

I am curious if the green is just a thin covering around the corundum. Also, the visible surface (to me) looks crackly... is that normal?
Originally I was told this is a ruby corundum with chrome diopside matrix- from the tanganyika territory? But google has no results related....

 

[BurntBear]

It could be a thin covering. Yes, it's much more common for it to be "crackly" than perfectly clear.

 

[hawttdawgg]

Thank you :-)

 

[BurntBear]

Hmmm....this?

Anyolite - Wikipedia, the free encyclopedia

 

[Buckshotnc]

Should leave as a specimen is my opinion.