IMA mineral species

Nukundamite

🪶 Soft, Scratches Easily

Cu₃.₄Fe₀.₆S₄

Sulfide mineral.

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

Properties

⛏ Mohs hardness3
12345678910
💅🪙🍶🔪💎

A copper coin scratches it.

Chemical formulaCu₃.₄Fe₀.₆S₄
ElementsCu, Fe, S
Crystal systemTrigonal
Mohs hardness3
Density—
Streak—
Color—
IMA symbolNuk
Nickel–Strunz class2.CA.10

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

Care & Handling

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

🌍 Where it's found

Type locality (where it was first described): Undu mine, Fiji