Cadmoselite
A variety of Minerals
What is Cadmoselite?
Cadmoselite is a rare cadmium selenide mineral with chemical formula CdSe. Cadmoselite crystallizes in the hexagonal system and occurs as black to pale grey opaque crystals and grains. It was first described in 1957 for an occurrence in Tuva. The mineral occurs as interstitial grains in sandstone formed under reducing alkaline diagenetic conditions.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Cadmoselite 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.
Cadmoselite Localities Map
See where Cadmoselite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black
- Hardness (Mohs)
- 4
- Density
- 5.807 g/cm³
- Streak
- Black
Chemical Properties
- Chemical Formula
- CdSe
- Elements
- Cd, Se
Also Known As
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Cadmoselite FAQs
How do I identify Cadmoselite?
Cadmoselite can be identified by its hardness of 4 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Cadmoselite?
Cadmoselite typically appears in Black. Color can vary depending on impurities and formation conditions.
How hard is Cadmoselite?
Cadmoselite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.
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