mineral
Banded Calcite (Honey Calcite)
Calcium Carbonate (CaCO3)
Hardness: 3 on Mohs scale. Color: Amber, honey-brown, and white banding. Luster: Vitreous to waxy. Crystal Structure: Trigonal. Cleavage: Perfect rhombohedral. Specific Gravity: 2.71.
- Hardness
- 3 on Mohs scale
- Color
- Amber, honey-brown, and white banding
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 3 on Mohs scale. Color: Amber, honey-brown, and white banding. Luster: Vitreous to waxy. Crystal Structure: Trigonal. Cleavage: Perfect rhombohedral. Specific Gravity: 2.71.
Formation & geological history
Formed through the precipitation of calcium-rich waters in caves or around hot springs (travertine/onyx style formations). This polished specimen shows distinct sedimentary layering.
Uses & applications
Used in decorative carvings, tumbled stones for metaphysical purposes, architectural ornaments, and as a calcium source in industry.
Geological facts
Calcite is one of the most common minerals on Earth and is the primary component of limestone and marble. It will effervesce (fizz) if a drop of weak acid like vinegar is applied.
Field identification & locations
Identified by its relatively soft surface (can be scratched by a copper coin or steel knife) and its distinct waxy polish. Commonly found in Mexico, Brazil, and the USA.
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