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Clinoatacamite & Lavendulan

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RSL586418

Clinoatacamite & Lavendulan

Description Tabs

Description
Locality: 
Directorio Ocho Mine, Tocopilla Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 3.2 × 1.5 cm
Description

This specimen was labelled as Directorio 8 mine, Tocopilla, by Dr. Joan Viñals (1951-2013) but in this mindat locality, clinoatacamite is not referenced. In this specimen we can observe several defined lenticular clinoatacamite green crystals, with transparence and brilliance, accompanied by brilliant gypsum and bluish lavendulan aggregates. Lavendulan is described in Directorio 8 mine.

Mineral Data
What's on the rock

Clinoatacamite

Formula: 
Cu2(OH)3Cl
Strunz: 
3.DA.10b
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

Lavendulan

Formula: 
NaCaCu5(AsO4)4Cl·5H2O
Strunz: 
8.DG.05
Hardness: 
2.5
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic