IMA mineral species

Pyrargyrite

🪶 Soft, Scratches Easily

Ag₃SbS₃

Sulfosalt mineral of silver and antimony.

RedGray

Pyrargyrite specimen
Pyrargyrite-119630.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness2.5 – 3
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💅🪙🍶🔪💎

A copper coin scratches it.

⚖ Density5.803 g/cm³
Very heavy
Chemical formulaAg₃SbS₃
ElementsAg, Sb, S
Crystal systemTrigonal
Mohs hardness2.5 – 3
Density5.803 g/cm³
Streak—
Colordark ruby
IMA symbolPyg
Nickel–Strunz class2.GA.05

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 2.5 – 3: softer than a steel knife, so it scratches easily. Store it apart from harder stones.