Urusovite
A variety of Minerals
What is Urusovite?
Urusovite is a rare copper aluminium arsenate mineral with formula: CuAlAsO5. It is a monoclinic-prismatic light green mineral. Its type locality and only reported occurrence is in the Novaya fumarole, Second scoria cone, North Breach, Great Fissure eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. It was named after Vadim Sergeevich Urusov, crystal chemist of Moscow State University. It was approved by the International Mineralogical Association in 1998.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Urusovite 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.
Urusovite Localities Map
See where Urusovite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Light green
- Hardness (Mohs)
- 4
- Streak
- White
Chemical Properties
- Chemical Formula
- CuAl(AsO4)O
- Elements
- Al, As, Cu, O
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Urusovite FAQs
How do I identify Urusovite?
Urusovite can be identified by its hardness of 4 on the Mohs scale, Light green color. Look for these key characteristics when examining specimens.
What color is Urusovite?
Urusovite typically appears in Light green. Color can vary depending on impurities and formation conditions.
How hard is Urusovite?
Urusovite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.
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