Manganocalcite on Sphalerite - Peru
Contributed by: Mark Cole
Date: Mar 13th, 2026
Locality: Huánuco, Peru (See on Mindat)
Size: 5 x 4 x 8 inches
Weight: 4.7 lb
Description:
A large plate of very pink manganocalcite crystals on a matrix of sphalerite (non-fluorescent), with some pyrite. Very bright under SW, but also quite fluorescent under LW.
Originally posted by Mark Cole on Nature's Rainbows.
Summary of luminescence responses:
Manganocalcite (Mindat) (RRUFF)
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red