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3D3DOrpiment.
This is a beautiful, lovely crystal cluster of orpiment (arsenic sulfide) from Elbrusskiy Mine, Northern Caucusus, Russia.
Source: eBay seller delraygoddess
Contributor: Theodore Gray
Acquired: 15 October, 2005
Price: $10
Size: 0.7"
Composition: As2S3
Arsenic