Pharmacolite
A variety of Minerals
What is Pharmacolite?
Pharmacolite is an uncommon calcium arsenate mineral with formula CaHAsO4·2(H2O). It occurs as soft, white clusters of fibrous crystals and encrustations which crystallize in the monoclinic system. It is the arsenate analogue of the sulfate gypsum and the phosphate brushite.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Pharmacolite 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.
Pharmacolite Localities Map
See where Pharmacolite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- White or colorless, grayish white; colorless in transmitted light.
- Hardness (Mohs)
- 2 - 2.5
- Density
- 2.73 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Ca(HAsO4) · 2H2O
- Elements
- As, Ca, H, O
Also Known As
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Pharmacolite FAQs
How do I identify Pharmacolite?
Pharmacolite can be identified by its hardness of 2 - 2.5 on the Mohs scale, White or colorless color. Look for these key characteristics when examining specimens.
What color is Pharmacolite?
Pharmacolite typically appears in White or colorless, grayish white; colorless in transmitted light.. Color can vary depending on impurities and formation conditions.
How hard is Pharmacolite?
Pharmacolite has a hardness of 2 - 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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