mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
AI-generated identification · may be incorrectMohs hardness of 3, vitreous to pearly luster, rhombohedral cleavage, and displays distinct yellow to honey-orange coloration with fibrous or banded structure.
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Physical properties
Mohs hardness of 3, vitreous to pearly luster, rhombohedral cleavage, and displays distinct yellow to honey-orange coloration with fibrous or banded structure.
Formation & geological history
Forms in sedimentary environments through the precipitation of calcium carbonate from mineral-rich waters in caves, hot springs, or inland seas.
Uses & applications
Used widely in optical products, construction materials, agricultural soil conditioning, and as a popular decorative specimen for mineral collectors.
Geological facts
Calcite exhibits strong double refraction (birefringence), meaning light passing through it splits into two separate rays, creating a double image.
Field identification & locations
Easily identified by its soft hardness (scratched easily with a copper penny) and strong effervescence when exposed to dilute hydrochloric acid.
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Metamorphic
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Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
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Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
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