Atelestite
A variety of Minerals
What is Atelestite?
Atelestite is an arsenate mineral with the chemical formula Bi2(AsO4)O(OH). Its type locality is Erzgebirgskreis, Saxony, Germany.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Atelestite 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.
Quick Facts
Physical Properties
- Color
- Sulphur-yellow to yellowish-green or wax-yellow, yellow-brown; light yellow to colourless in transmitted light.
- Hardness (Mohs)
- 4.5 - 5
- Rock tumbling
- Not recommended
- Density
- 6.82 g/cm³
- Streak
- (not reported)
Chemical Properties
- Chemical Formula
- Bi2(AsO4)O(OH)
- Elements
- As, Bi, H, O
Also Known As
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Atelestite FAQs
How do I identify Atelestite?
Atelestite can be identified by its hardness of 4.5 - 5 on the Mohs scale, Sulphur-yellow to yellowish-green or wax-yellow color. Look for these key characteristics when examining specimens.
What color is Atelestite?
Atelestite typically appears in Sulphur-yellow to yellowish-green or wax-yellow, yellow-brown; light yellow to colourless in transmitted light.. Color can vary depending on impurities and formation conditions.
How hard is Atelestite?
Atelestite has a hardness of 4.5 - 5 on the Mohs scale. This gives it moderate hardness.
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