Chalcostibite

  

 

  

Origin: Cavnic, Romania

Sample size: 3 x 3 x 3 cm, tuft 6mm with bladed, striated crystals to 2 mm (top), 6 x 3.5 x 3 cm (bottom)

 

  

 

  
 

  

 

  

 

  

Large bladed crystals to 3.2 cm, silvery core, coated by azurite

Origin: Gar el Anz, Cherrat Wadi, East of Casablanca, Morocco

Sample size: 5 x 3.5 x 2.5 cm (top), 6 x 4 x 4 cm (2nd row), 5 x 2.5 x 2.5 cm (3rd row), 5.5 x 2.5 x 2.5 cm (4th row), 3.5 x 2 x 2 cm (bottom)

 

  

Large 4cm steel grey crystal coated by malachite

Origin: Rar-el-Anz, Cherrat Wadi, Casablanca Prefecture, Grand Casablanca Region, Morocco

Ex. Polak collection

Sample size: 4.5 x 2 x 1.5 cm

 

Photo courtesy of: 

Origin: Skyhomish, King Co., Washington, U.S.A.

Owner: Lou Perloff

Microscopic image

 

Photo courtesy of: 

Photo-Atlas of Minerals

  

Chalcostibite altering to azurite and malachite

Origin: Bar-el-Anz, near Casablanca, Morocco

Sample size: 2.5 x 2 x 2 cm

 

  

Chalcostibite on siderite

Origin: St Pons, Val d'Ubaye, Barcelonette Mts, France

Sample size: 2.6 x 1.7 x 1 cm

 

  

Chalcostibite on sphalerite with dolomite

Origin: Cavnic, Maramures, Romania

Ex. Jan Buma collection

Sample size: 11.0 x 5.1 x 6.0 cm

 

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Chalcostibite with surface alteration to azurite (pseudomorph)

Origin: Gar el Anz, Morocco

Ex. Keith Hayes collection (KQ Minerals)

Sample size: 5.3 x 3.1 x 1.5 cm

 

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