mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Hardness: 3 on the Mohs scale. Color: Orange to yellowish-orange with white banding. Luster: Vitreous to pearly. Crystal structure: Trigonal. Cleavage: Perfect rhombohedral cleavage in three directions. Specific gravity: 2.71.

Hardness: 3 on the Mohs scale
Color: Orange to yellowish-orange with white banding
Luster: Vitreous to pearly

Identified July 29, 2026More mineral →

Explore Orange Calcite in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Formation & geological history

Formed through the precipitation of calcium carbonate from water solutions, typically in sedimentary environments such as limestone caves, hot springs, or marine settings, often associated with hydrothermal veins.

Uses & applications

Used in decorative items, lapidary arts, metaphysical practices, and as a mineral specimen for collectors. Industrial uses of calcite include construction materials, agriculture, and chemical manufacturing.

Geological facts

Orange calcite is known for its bright, warm fluorescence under ultraviolet light and is often associated with energy-clearing properties in crystal healing traditions.

Field identification & locations

Easily identified in the field by its characteristic Mohs hardness of 3 (can be scratched easily with a copper coin) and strong effervescence (fizzing) when tested with a weak acid like hydrochloric or vinegar due to carbon dioxide release.