Formula : Pb6Bi2S9
System: monoclinic Hardness:3½-4 Rarity:very rare
Strunz id:II/E.29-10 -
SULFIDES
Name origin: From the type locality - Ascham Alp - southeast of, Ascham Alp - Breitfuß - Sonntagskopf area, Neukirchen am Großvenediger, Zell am See District, Salzburg, Austria
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