Powellite Crystal, with Calcite - Maharashtra, India

Contributed by: Mark Cole
Date: Mar 18th, 2026
Locality: Maharashtra, India (See on Mindat)

Description:
Originally posted by Mark Cole on Nature's Rainbows in 2015.

Fluorescence under shortwave UV light.

Normal light.

Summary of luminescence responses:

Powellite (Mindat) (RRUFF)

• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Yellow