mineral
Polished honey calcite point
Calcite (calcium carbonate, CaCO₃), likely honey/yellow calcite
AI-generated identification · may be incorrectTypically Mohs hardness 3, vitreous to pearly luster, pale yellow to honey color with cloudy white banding, and trigonal crystal structure; calcite has perfect rhombohedral cleavage and specific gravity about 2.71.
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Physical properties
Typically Mohs hardness 3, vitreous to pearly luster, pale yellow to honey color with cloudy white banding, and trigonal crystal structure; calcite has perfect rhombohedral cleavage and specific gravity about 2.71.
Formation & geological history
Forms when calcium-rich groundwater, hydrothermal fluids, or marine sediments precipitate carbonate; the polished point is human-shaped, and its exact geological age cannot be determined from the image. Common sources include Mexico, Brazil, China, and the United States.
Uses & applications
Used as a decorative carving, display specimen, and lapidary material; calcite is also important industrially in cement, lime, aggregate, glassmaking, and soil treatment, though soft yellow material is rarely used in jewelry.
Geological facts
The pointed form is cut and polished rather than a natural crystal habit. Calcite commonly effervesces strongly with dilute hydrochloric acid and shows birefringence, producing doubled images when viewed through a clear piece.
Field identification & locations
Identify it by its softness, rhombohedral cleavage, pale honey color, and acid reaction; it can be scratched by a steel knife. Similar-looking yellow aragonite or fluorite is generally harder, though testing should be done on an inconspicuous area.
