Manganoan Calcite, N’chwaning Mine lll, Kalahari Manganese Field, Northern Cape, South Africa

Description

This is a Manganoan Calcite from, N’chwaning Mine lll, Kalahari Manganese Field, Northern Cape, South Africa

colours pop when illuminated with UV light (see video for reference)

Crystal Dimensions: 5.5cm (2.1”) x 3.5cm (1.3”)

Crystal Weight: 44grams

Manganoan calcite or manganocalcite is a variety of calcite rich in manganese, which gives the mineral a pink color.

Its chemical formula is (Ca,Mn)CO 3.