Chabournéite

chabourneite

pierrotite

routhierite

laffittite

Images

Formula: Tl₄Pb₂(Sb,As)₂₀S₃₄
Sulphosalt, chabournéite group, thallium, antimony and arsenic-bearing mineral
Crystal System: Triclinic
Specific gravity: 5.104 measured, 5.121 calculated
Hardness: 3 to 3½
Streak: Red, brown
Colour: Black
Environments

Hydrothermal environments

Chabournéite occurs in hydrothermal veins in dolomite, commonly associated with sphalerite (Mindat).

Localities

At the Tohya mine, Takarada, Abuta District, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan, chabournéite is associated with getchellite, sphalerite and baryte (AM 67.621).

At the type locality, Jas Roux, La Chapelle-en-Valgaudemar, Gap, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France, chabournéite occurs in dolomitic limestone. Associated minerals include realgar, pierrotite, parapierrotite, routhierite, laffittite, smithite and stibnite (AM 64.242, 67.621).

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