mineral
Aragonite
Aragonite (CaCO3)
AI-generated identification · may be incorrectHardness 3.5-4 on Mohs scale; white, yellow, reddish-brown, or green; vitreous luster; orthorhombic crystal system; distinct cleavage.
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Physical properties
Hardness 3.5-4 on Mohs scale; white, yellow, reddish-brown, or green; vitreous luster; orthorhombic crystal system; distinct cleavage.
Formation & geological history
Forms in oxidation zones of ore deposits, hot spring deposits, and marine environments through the precipitation of calcium carbonate.
Uses & applications
Used primarily in mineral collections, ornamental carvings, and holistic wellness practices.
Geological facts
Aragonite is polymorphous with calcite, meaning they share the same chemical formula but have different crystal structures.
Field identification & locations
Identified by its characteristic pseudo-hexagonal prismatic crystal clusters and effervescence in dilute hydrochloric acid; found prominently in Morocco, Spain, and the USA.
