Fluorite with Cookeite
Huanzala, Huanaco, Peru
CaF₂
Ex. Herb Obodda collection.

Multi-colored cubic crystals of fluorite are all over this rock with an abundance of cookeite. The fluorite has large dodecahedal modifications. Many of the crystals have fluid and gas (bubble) inclusions. Under SW UV light the crystals are fluorescent green. ミネラライトで紫外線(短波)をあてると緑色に蛍光します。