Calcite, Fluorite - Huanzala Mine, Peru

Contributed by: FMS Admin
Date: May 24th, 2026
Locality: Huanzala Mine, Huanzala, Huallanca District, Bolognesi Province, Ancash, Peru (See on Mindat)
Size: 5 x 6 inches

Description:
Here is an interesting piece from the Huanzala Mine, in Ancash, Peru: fluorite surrounded by botryoidal calcite in almost a geode like formation. The fluorite glows as expected, and nice blue, and the calcite a nice red. Seemingly best in MW.

Originally posted by Fire Viper on Nature's Rainbows in 2017.

Fluorescence under midwave UV light.

Normal light.

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

• Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Red

• Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Blue