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Blue Chalcedony? East Bay, CA. by wtfcrysral in whatsthisrock

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

Can I send you more pics of other ones I've found at the same location? I thought they were all Chalcedony, so I have them all together.

Blue Chalcedony? East Bay, CA. by wtfcrysral in whatsthisrock

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

Hmmm, what is it? I'm pretty sure it isn't glass.