IMA mineral species

Glaucodot

(Co₀.₅Fe₀.₅)AsS

Sulfide mineral.

RedGrayWhite & Clear

Glaucodot specimen
Glaucodot-169959.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness5
12345678910
💅🪙🍶🔪💎

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

⚖ Density6.06 g/cm³
Very heavy
🔷 Orthorhombic✏️ streak black
Chemical formula(Co₀.₅Fe₀.₅)AsS
ElementsCo, Fe, As, S
Crystal systemOrthorhombic
Mohs hardness5
Density6.06 g/cm³
Streakblack
Color—
IMA symbolGl
Nickel–Strunz class2.EB.10c

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