Calcite, Caliche, Opal, Aragonite - Mahoney Mining area, New Mexico

Contributed by: FMS Admin
Date: May 3rd, 2026
Locality: Mahoney Mines area, Tres Hermanas Mining District, Tres Hermanas Mountains, Luna County, New Mexico, USA (See on Mindat)
Size: 2.5 x 2 x 3.5 inches

Description:
A really nice example from the Mahoney Mining area in New Mexico.

Originally posted by UV Studio on Nature's Rainbows in 2017.

Fluorescence under shortwave UV light.

Normal light.

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

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

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

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