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Pseudomalachite & Chalcedony

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ESM676032

Pseudomalachite & Chalcedony

Description Tabs

Description
Locality: 
Venus Mine, Obererl, Rhineland-Palatinate, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.7 × 4 × 2.8 cm
Description

Green pseudomalachite crystals with purplish chalcedony

Mineral Data
What's on the rock

Pseudomalachite

Formula: 
Cu5(PO4)2(OH)4
Strunz: 
8.BD.05
Crystal System: 
Monoclinic
Hardness: 
4.0 - 4.5
Type Locality: 
Virneberg Mine (St Josephsberg Mine), Rheinbreitbach, Linz am Rhein, Westerwald, Rhineland-Palatinate, Germany

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey
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