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- Availability
- Sold
- Locality
- Tolbachik Volcano, Kamchatka, Russia
- Formula
- NaCuMg3(AsO4)3
- Size
- 2.5 x 2 x 2 cm - Thumbnail
- Tagged
- arsenate, copper
Purple crystal groups of Johillerite. Very rich. This is the third reported locality worldwide. The type locality is Tsumeb.