IMA mineral species

Lengenbachite

Ag₄Cu₂Pb₁₈As₁₂S₃₉

Sulfosalt mineral.

Lengenbachite specimen — Lengenbachite-ED.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula	Ag₄Cu₂Pb₁₈As₁₂S₃₉
Elements	Ag, Cu, Pb, As, S
Crystal system	—
Mohs hardness	—
Density	—
Streak	—
Color	—
IMA symbol	Len
Nickel–Strunz class	2.HF.30

“—” 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.

Learn more

Lengenbachite on Mindat.org
Wikidata item Q414612 (source of this page's data – you can correct it there)