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Staročeskéite & Terrywallaceite

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SMM751166

Staročeskéite & Terrywallaceite

Rare Mineral

Description Tabs

Description
Locality: 
Kaňk, Kutná Hora, Central Bohemian Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 1.5 × 2 cm
Description

Metallic staročeskéite e terrywallaceite, two very rare sulphides of the "Lillianite Homologous Series Group". I received this sample from Dr. J. Hyrsl, a great sulfide expert and more ... who confirmed to me that the sample has been analyzed. Very rare!

Boxed with Label
Mineral Data
What's on the rock

Staročeskéite

Formula: 
Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6
Crystal System: 
Orthorhombic
Colour: 
Steel-grey
Type Locality: 
Staročeské Lode, Kutná Hora District, Central Bohemian Region, Czech Republic

Terrywallaceite

Formula: 
AgPb(Sb,Bi)3S6
Crystal System: 
Monoclinic
Hardness: 
4 -
Colour: 
Black metallic
Type Locality: 
Level 390, Vein 14, Herminia Mine, Julcani District, Angaraes Province, Huancavelica Department, Peru
Isostructural with: 
Gustavite

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