mineral

Honey Calcite

Calcite (CaCO3)

AI-generated identification · may be incorrect

Mohs hardness of 3, yellow to honey-brown color, vitreous to pearly luster, trigonal crystal system, perfect rhombohedral cleavage, specific gravity of 2.71.

Identified July 31, 2026More mineral →

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Physical properties

Mohs hardness of 3, yellow to honey-brown color, vitreous to pearly luster, trigonal crystal system, perfect rhombohedral cleavage, specific gravity of 2.71.

Formation & geological history

Formed in sedimentary environments through the precipitation of calcium carbonate from water solutions, often found in caves, hot springs, and limestone deposits.

Uses & applications

Used in optical applications, construction materials, agricultural soil treatments, and popularly collected as a crystal specimen for its aesthetic and metaphysical properties.

Geological facts

Calcite is the primary constituent of limestone and marble. It exhibits strong double refraction (birefringence), where an image viewed through it appears doubled.

Field identification & locations

Easily identified by its characteristic rhombohedral cleavage and its distinct effervescence (fizzing) when exposed to weak hydrochloric acid. Found globally with major deposits in Mexico, the USA, and Iceland.