Avicennite
A variety of Minerals
What is Avicennite?
Avicennite (thallium(III) oxide) is an oxide mineral. It was discovered around the Dzhuzumli village, Samarqand, Uzbekistan. It is named after Avicenna, a Persian doctor and polymath.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Avicennite 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.
Avicennite Localities Map
See where Avicennite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Greyish black with brownish black tint
- Hardness (Mohs)
- 1.5 - 2.5
- Density
- 10.34 g/cm³
- Streak
- Greyish black, black with a brownish tint
Chemical Properties
- Chemical Formula
- Tl2O3
- Elements
- O, Tl
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Avicennite FAQs
How do I identify Avicennite?
Avicennite can be identified by its hardness of 1.5 - 2.5 on the Mohs scale, Greyish black with brownish black tint color. Look for these key characteristics when examining specimens.
What color is Avicennite?
Avicennite typically appears in Greyish black with brownish black tint. Color can vary depending on impurities and formation conditions.
How hard is Avicennite?
Avicennite has a hardness of 1.5 - 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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