IMA mineral species

Stannite

Cu₂FeSnS₄

Sulfosalt mineral.

BlackGray

Stannite specimen
Stannite2.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness4
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💅🪙🍶🔪💎

A steel knife scratches it, it won't scratch glass.

🔷 Tetragonal✏️ streak black
Chemical formulaCu₂FeSnS₄
ElementsCu, Fe, Sn, S
Crystal systemTetragonal
Mohs hardness4
Density—
Streakblack
Color—
IMA symbolStn
Nickel–Strunz class2.CB.15a

“—” means no reliable value in Wikidata yet. Check Mindat for full data.