mineral
Golden Calcite
Calcium Carbonate (CaCO3)
AI-generated identification · may be incorrectHardness: 3 on Mohs scale; Color: Honey-yellow to pale orange; Luster: Vitreous to pearly; Crystal structure: Trigonal/Rhombohedral; Cleavage: Perfect rhombohedral in three directions; Specific gravity: 2.71
- Hardness
- 3 on Mohs scale
- Color
- Honey-yellow to pale orange
- Luster
- Vitreous to pearly
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Physical properties
Hardness: 3 on Mohs scale; Color: Honey-yellow to pale orange; Luster: Vitreous to pearly; Crystal structure: Trigonal/Rhombohedral; Cleavage: Perfect rhombohedral in three directions; Specific gravity: 2.71
Formation & geological history
Formed in sedimentary environments through chemical precipitation or as a secondary mineral in igneous and metamorphic rocks. Often found in hydrothermal veins and hot spring deposits.
Uses & applications
Used as a source of lime, in the production of cement, as a soil conditioner, and commonly used as a collector specimen or for metaphysical purposes.
Geological facts
Calcite is one of the most common minerals on Earth. It exhibits a chemical reaction when exposed to weak acids like vinegar, which will cause it to fizz or bubble (effervesce).
Field identification & locations
Identified in the field by its distinct rhombohedral cleavage (tilting cubes) and its relative softness compared to quartz. Common locations include Mexico, Iceland, and the United States (Missouri/Kansas).
