Red calcite cluster — Wenshan, 229 g

Description

A compact cluster of calcite featuring several larger crystals partially coated by a layer of red calcite and finer crystal growth across the surfaces. The piece measures H 11 × W 7 × D 5 cm and weighs 229 g, with the red coating emphasising the crystal contours and small-scale texture.

Mineral context

Calcite is calcium carbonate (CaCO3). It forms in many sedimentary, metamorphic and hydrothermal settings and occurs in a wide range of crystal habits and aggregate forms.