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Clinoclase Agardite-(Ce) & Cornubite

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FNW61563

Clinoclase Agardite-(Ce) & Cornubite

Description Tabs

Description
Locality: 
Majuba Hill Mine, Antelope, Pershing County, Nevada, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 1.2 cm
Description

Prismatic sprays of shiny, deep-blue clinoclase crystals on matrix with pale green acicular agardite crystals and green cornubite.

Mineral Data
What's on the rock

Clinoclase

Formula: 
Cu3(AsO4)(OH)3
Strunz: 
8.BE.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Agardite-(Ce)

Formula: 
CeCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Crystal System: 
Hexagonal
Hardness: 
3.0 - 4.0
Type Locality: 
Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany

Cornubite

Formula: 
Cu5(AsO4)2(OH)4
Strunz: 
8.BD.30
Crystal System: 
Triclinic Probably
Hardness: 
4.0 - 0.0
Type Locality: 
Wheal Carpenter, Fraddam, Gwinear-Gwithian, St Erth - Gwithian Area, Cornwall, England, UK
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