Mineral Specimen and Product Inventory Search
- Kertch, Crimea pen., Crimea Oblast', Ukraine
- 7.5 x 4.5 x 5.5 cm - Sm Cabinet
Thick to thin 3cm blades of deep blue color. These specimens are nearly impossible to photograph. The entire cluster of bladed crystals - 5cm wide - was crystallized in a shell. These deposits are formed in the reducing environments of black shales and are found in select geological environments.