Calcite, Fluorite and Pyrite - Chenzhou, Hunan China

Contributed by: FMS Admin
Date: May 9th, 2026
Locality: Chenzhou, Hunan, China (See on Mindat)
Size: 4 inches

Description:
An interesting chip calcite on fluorite from Chenzhou, Hunan, China. What is really different is that each calcite chip seems to have a speck of pyrite at its center.

Originally posted by Fire Viper on Nature's Rainbows in 2017.

Fluorescence under longwave and midwave UV light.

Fluorescence under midwave UV light.

Fluorescence under longwave UV light.

Fluorescence under shortwave UV light.

Normal light.

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

• Fluorescence under Longwave (365nm LED) UV light: Red
• Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Red
• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red

• Fluorescence under Longwave (365nm LED) UV light: Blue
• Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Blue