mineral
Orange Calcite
Calcite (CaCO3)
AI-generated identification · may be incorrectHardness of 3 on Mohs scale, orange color, vitreous luster, rhombohedral crystal structure, perfect cleavage in three directions.
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Physical properties
Hardness of 3 on Mohs scale, orange color, vitreous luster, rhombohedral crystal structure, perfect cleavage in three directions.
Formation & geological history
Forms in sedimentary environments, often through precipitation from groundwater or hydrothermal fluids.
Uses & applications
Used in metaphysical practices, as a decorative stone, and occasionally carved.
Geological facts
Calcite is one of the most common minerals on Earth and can exhibit strong fluorescence under UV light.
Field identification & locations
Identified by its softness (can be scratched by a copper penny), perfect cleavage, and effervescence in dilute hydrochloric acid.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous