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Olivenite Cornwallite & Agardite

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SER774992

Olivenite Cornwallite & Agardite

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.2 × 3.1 cm
Description

several vugs filled with tiny quartz crystals hosting olive green olivenite crystals, like wheels cornwallite crystals and minor agardite

Mineral Data
What's on the rock

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

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

Agardite

Synonym Of: 

Agardite-(Ce)

Formula: 
CeCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(La)

Formula: 
LaCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(Nd)

Formula: 
NdCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(Y)

Formula: 
YCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0