Fluorescent Mineral Database

A new secret project! Trying to create a nice Fluorescent Mineral Database (FMDB), which would be searchable by mineral, locality, and luminescence properties. Also making it easy for people to contribute with their own specimens!

Calcite from Malmberget, Sweden

Contributed by: Simone Conti
minID: U7R-1HJ
Date: Dec 03rd, 2024
Locality: Malmberget, Gällivare, Norrbotten County, Sweden (See on Mindat)
Size: 4 x 1 x 7 x cm
Weight: 59 g

Description:
Small plate of compact calcite crystals. Zoned yellow/green fluorescence under shortwave UV light, honey under longwave UV light.

Normal light.
Normal light.
Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.
Fluorescence under longwave UV light.
Fluorescence under longwave UV light.

Summary of luminescence responses:

Calcite

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Green
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Yellow
  • Fluorescence under Longwave (365nm LED) UV light: Yellow