IMA mineral species

Erniggliite

Tl₂SnAs₂S₆

Sulfosalt mineral.

Properties

⚖ Density4.863 g/cm³
Very heavy
Chemical formulaTl₂SnAs₂S₆
ElementsTl, Sn, As, S
Crystal systemTrigonal
Mohs hardness—
Density4.863 g/cm³
Streak—
Color—
IMA symbolEni
Nickel–Strunz class2.GA.45

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

🌍 Where it's found

Type locality (where it was first described): Lengenbach quarry, Switzerland

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.