Thumbnail specimen of black vivianite crystals, with dark green internal reflections, in fossil clam shell
AN_089
1 Item
Data sheet
- Locality
- Kerch, Crimea, Russia
- Size category
- TN
- Size (cm)
- 3 x 1.7 x 1.4
- Weight
- 6 g
- Formula
- Fe2+3(PO4)2·8H2O
- Properties
- Small fossilized shell with greenish black vivianite crystals