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Parnauite Cornwallite Bariopharmacosiderite & Olivenite

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SER710239

Parnauite Cornwallite Bariopharmacosiderite & Olivenite

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6 × 5.5 cm
Description

a large, fabulous specimen from this well known german mine featuring some vugs filled with quartz crystals hosting green platy crystals of parnauite  with green balls of cornwallite, orange and yellow , cubic bariopharmacosiderite and some green tufts and needles of olivenite ; great possibility to obtain several micro by its reduction

Mineral Data
What's on the rock

Parnauite

Formula: 
Cu9(AsO4)2(SO4)(OH)10·7H2O
Strunz: 
8.DF.35
Hardness: 
0.0
Type Locality: 
Majuba Hill Mine (Majuba Mine; Mylar Mine; Tin Mine; Nevada Bureau of Mines and Geology sample sites 2844 & 2846), Antelope District, Pershing Co., Nevada, USA

Cornwallite

Formula: 
Cu5(AsO4)2(OH)4
Strunz: 
8.BD.05
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Bariopharmacosiderite

Formula: 
Ba0.5Fe3+4(AsO4)3(OH)4·5H2O
Strunz: 
8.DK.10
Crystal System: 
Tetragonal
Hardness: 
2.5
Type Locality: 
Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany

Olivenite

Formula: 
Cu2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK