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Pyrargyrite With Galena Quartz Chloanthite & Argentopyrite

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LGM592805

Pyrargyrite With Galena Quartz Chloanthite & Argentopyrite

Ex G. Grude collection, Siegburg, Germany
With Antique Label

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Description Tabs

Description
Locality: 
Samson Mine, St Andreasberg, Goslar, Lower Saxony, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5 × 2.5 cm
Largest Crystal: 
0.60cm
Weight: 
98.00gr
Description

A fine combination specimen featuring pyrargyrite (german synonym "Antimonsilberblende", main crystals on pic 1), galena, quartz, chloanthite (german synonym "Weissnickelkies", thin silvery crystals on pic 8) and argentopyrite (german synonym "Silberkies", prismatic brown, striated crystals, partly with blueish staining, on pics 7 & 9).

From a highly sought-after classic german locality, the Samson Mine, St. Andreasberg, Lower Saxony, Germany, comes with label including detailled description.

Mineral Data
What's on the rock

Pyrargyrite

Formula: 
Ag3SbS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal - Ditrigonal Pyramidal
Hardness: 
2.5

Galena

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Chloanthite

Variety Of: 

Nickelskutterudite

Formula: 
NiAs3-x
Strunz: 
2.EC.05
Hardness: 
5.5 - 6.0
Formula: 
NiAs2 - excess As up to As2.5
Hardness: 
0.0

Argentopyrite

Formula: 
AgFe2S3
Strunz: 
2.CB.65
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Streak: 
Grey.
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Seller Information

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