Black Calcite from Herja mine (rhombohedrons)

3D Model

Locality: Herja mine, Baia Mare, Romania

No.: -

Size: 8 x 5 x 4 cm

Formula: Calcite - CaCO3

Description: Calcite is one of the most common minerals. It occurs in a great variety of shapes and colors, and it constitutes a major portion of many of the earth’s rocks (including sedimentary, igneous, and metamorphic).

This is a unique specimen of black Calcite, which is well known worldwide. The black crystals of Calcite are formed of flattened Calcite rhombohedra.

Website: http://geology.uaic.ro/muzee/mineralogie/

Concept & 3D-modelling by Andrei Ionut APOPEI