Chalcomenite

Origin: Cerro de Cacheuta, Mendoza, Argentina

Owner: Lou Perloff

Microscopic image

 

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Photo-Atlas of Minerals

Origin: El Dragón mine, Quijarro province, Potosí, Bolivia

Picture size: 4 mm

Owner: Thomas Witzke

 

Origin: Lichtenberg open cast, Ronneburg U deposit, Gera district, Thuringia, Germany

Picture size: 2 mm

Owner: Thomas Witzke

 

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Origin: El Dragon Mine, Potosi, Bolivia

Sample size: 3 x 2.3 cm specimen of massive chalcocite with deep blue blebs and crystals of chlacomenite

 

  

Deep blue chalcomenite and pale green demesmaekerite on malachite

Origin: Musonoi Mine, Katanga, Dem. Rep. of the Congo

Sample size: 2.4 x 1.7 cm

 

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Transparent, glassy blue crystals to less than 0.3 mm occupying an area of 20 x 5 mm on seleniferous digenite. Ex. Kidwell collection

Origin: Musonoi extension, Katanga, Congo

Sample size: 3 x 2 x 2 cm (top), 6 x 3 x 2.5 cm (2nd/bottom row)

 

  

Bright, sky blue platy crystals to 1 mm on massive, crystalline dark violet umangite matrix associated with green antlerite.

Origin: Eagle Claims, near Hal Lake, Beaverlodge, Saskatchewan, Canada

Sample size: 4 x 3 x 3.5 cm

 

Blue micro crystal aggregates to 2 mm across on sandstone.

  

Origin: Sun Cup mine, San Miguel Co., Colorado, United States

Sample size: 6 x 2.5 x 1 cm (top), 3 x 2 0.5 cm (2nd/bottom row)

 

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