Cobaltoan Calcite - Morocco
Contributed by: Mark Cole
Date: Apr 5th, 2026
Locality: Bou Azzer mining district, Drâa-Tafilalet Region, Morocco (See on Mindat)
Size: 2 x 1.5 x 3.5 inches
Weight: 7.6 oz
Description:
Originally posted by Mark Cole on Nature's Rainbows in 2016.
Summary of luminescence responses:
Calcite var. Cobalt-bearing Calcite (Mindat) (RRUFF)
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red