IMA mineral species

Richardsollyite

TlPbAsS₃

Sulfosalt mineral.

Richardsollyite specimen — Richardsollyite.png · Wikimedia Commons (see file page for author & license)

Properties

🔷 Monoclinic

Chemical formula	TlPbAsS₃
Elements	Tl, Pb, As, S
Crystal system	Monoclinic
Mohs hardness	—
Density	—
Streak	—
Color	—
IMA symbol	Rsy

“—” 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

Richardsollyite on Mindat.org
Wikidata item Q27995620 (source of this page's data – you can correct it there)