Dolomite and Calcite – Lake Dump, Langban, Sweden
Contributed by: Mark Cole
Date: Apr 9th, 2026
Locality: The Lake dump, Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden (See on Mindat)
Description:
Dolomite a pinkish orange, very bright SW. Calcite orange... (H. Green collection)
Originally posted by Mark Cole on Nature's Rainbows in 2018.
Summary of luminescence responses:
Calcite (Mindat) (RRUFF)
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Orange
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red