mineral
Aragonite (Flos Ferri)
Calcium Carbonate (CaCO3)
AI-generated identification · may be incorrectHardness: 3.5-4.0; Color: White to colorless; Luster: Vitreous to resinous; Crystal structure: Orthorhombic (acicular or branching habits); Cleavage: Distinct in one direction; Specific gravity: 2.95
- Hardness
- 3
- Color
- White to colorless
- Luster
- Vitreous to resinous
Identified More mineral →
Explore Aragonite (Flos Ferri) in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness: 3.5-4.0; Color: White to colorless; Luster: Vitreous to resinous; Crystal structure: Orthorhombic (acicular or branching habits); Cleavage: Distinct in one direction; Specific gravity: 2.95
Formation & geological history
Formed through low-temperature hydrothermal processes or by precipitation in sedimentary environments such as hot springs and caves. Common in the oxidized zones of ore deposits.
Uses & applications
Primarily used as decorative collector specimens, educational samples, and occasionally as a source of lime in soil treatments or low-grade cement production.
Geological facts
Aragonite is chemically identical to calcite but has a different crystal structure. Over long geological periods at standard temperatures, aragonite often recrystallizes into the more stable calcite.
Field identification & locations
Identified in the field by its distinct branching or 'coral-like' appearance and its vigorous effervescence when exposed to cold dilute hydrochloric acid. Commonly found in mines or cave systems.
