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Native Silver Psm Dyscrasite With Acanthite On Galena

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RHT761544

Native Silver Psm Dyscrasite With Acanthite On Galena

H. Maucher, München
With Antique Label

Description Tabs

Description
Locality: 
Hodruša-Hámre, Žarnovica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6 × 2 cm
Weight: 
212.00gr
Description

Very nice old specimen with a label from H. Maucher, Munich. From a classic Slovenian locality, barely present on the market. This is the first time we had such a specimen in our hands - silvery pseudomorph crystals of silver after dyscrasite and dark gray-black, glossy acanthite on galena crystals. Nice contrast to the white matrix.

Mineral Data
What's on the rock

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Dyscrasite

Formula: 
Ag3Sb
Strunz: 
2.AA.35
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Wenzel Mine, Frohnbach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany

Acanthite

Formula: 
Ag2S
Strunz: 
2.BA.35
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 2.5
Streak: 
lead grey
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey