IMA mineral species

Laffittite

AgHgAsS₃

Sulfosalt mineral.

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

Properties

Chemical formula	AgHgAsS₃
Elements	Ag, Hg, As, S
Crystal system	Monoclinic
Mohs hardness	—
Density	5.839 g/cm³
Streak	—
Color	—
IMA symbol	Lft
Nickel–Strunz class	2.GA.35

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

🌍 Where it's found

Type locality (where it was first described): Jas Roux, France

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

Laffittite on Mindat.org
Wikidata item Q3825528 (source of this page's data – you can correct it there)