Berndtite
A variety of Minerals
What is Berndtite?
Tin(IV) sulfide is a compound with the formula SnS2. The compound crystallizes in the cadmium iodide motif, with the Sn(IV) situated in "octahedral holes' defined by six sulfide centers. It occurs naturally as the rare mineral berndtite. It is useful as semiconductor material with band gap 2.2 eV.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Berndtite 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.
Berndtite Localities Map
See where Berndtite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Yellow-brown
- Hardness (Mohs)
- 1 - 2
- Density
- 4.55 g/cm³
- Streak
- Golden yellow
Chemical Properties
- Chemical Formula
- SnS2
- Elements
- S, Sn
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Berndtite FAQs
How do I identify Berndtite?
Berndtite can be identified by its hardness of 1 - 2 on the Mohs scale, Yellow-brown color. Look for these key characteristics when examining specimens.
What color is Berndtite?
Berndtite typically appears in Yellow-brown. Color can vary depending on impurities and formation conditions.
How hard is Berndtite?
Berndtite has a hardness of 1 - 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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