Calclacite
A variety of Minerals
What is Calclacite?
Calclacite is a mineral and an organic compound. Its name references the components, which are calcium ions (Ca), chloride (Cl) and acetate CH3COO2.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Calclacite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Calclacite Localities Map
See where Calclacite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Characteristics of Calclacite
Calclacite is an organic compound with chemical formula Ca(CH3COO)Cl·5H2O. It forms crystals in the monoclinic system, with silky hairlike efflorescences up to 4 cm long. According to the Nickel-Strunz classification, calclacite is an organic acid salt and occurs with formicaite, acetamide, dashkovaite, paecite and hoganite. It is white and its hardness on the Mohs scale is 1.5.
Formation of Calclacite
Calclacite is formed on samples of rocks, fossils, and on fragments of ceramics, by the action of acetic acid produced from the oak of the storage cabinets.
Quick Facts
Physical Properties
- Color
- White
- Density
- 1.55 g/cm³
Chemical Properties
- Chemical Formula
- Ca(CH3COO)Cl · 5H2O
- Elements
- C, Ca, Cl, H, O

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Calclacite FAQs
How do I identify Calclacite?
Calclacite can be identified by its White color. Look for these key characteristics when examining specimens.
What color is Calclacite?
Calclacite typically appears in White. Color can vary depending on impurities and formation conditions.
What is the characteristics of calclacite of Calclacite?
Calclacite is an organic compound with chemical formula Ca(CH3COO)Cl·5H2O. It forms crystals in the monoclinic system, with silky hairlike efflorescences up to 4 cm long. According to the Nickel-Strunz classification, calclacite is an organic acid salt and occurs with formicaite, acetamide, dashkovaite, paecite and hoganite. It is white and its hardness on the Mohs scale is 1.5.
What is the formation of calclacite of Calclacite?
Calclacite is formed on samples of rocks, fossils, and on fragments of ceramics, by the action of acetic acid produced from the oak of the storage cabinets.


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