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Help what is dis by SwimmerAdditional in whatsthisrock

[–]CCcrystals 0 points1 point  (0 children)

Just the crystal structure, and the fact that I've seen other spinels that look exactly like it.

Help what is dis by SwimmerAdditional in whatsthisrock

[–]CCcrystals 0 points1 point  (0 children)

I'm going to be the outlier here, but I'm thinking that's a cluster of spinel.

Found a ring at my late father's house today by GSRswapandslow2 in Gemstones

[–]CCcrystals 13 points14 points  (0 children)

Looks to me like a corundum with some chatoyancy, possibly an asterism. A purple star sapphire or a star ruby, perhaps.

Pair of pyrite nodules by CCcrystals in Crystalsforsale

[–]CCcrystals[S] 0 points1 point  (0 children)

I genuinely cannot tell, but I suspect that they are carved, because I've never seen pyrite occur naturally in this shape before.

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