Cobaltite

  

Origin: Espanola, Ontario, Canada

Sample size: 6 x 3 x 3 cm, crystal 8 mm

 

Origin: unknown, possibly Sweden

Sample size: 8 and 6 mm

 

Three simple cobaltite cubes and one pyritohedron

Origin: Mankansoboda, Varmland, Sweden

Crystal sizes to 5 mm

 

  

Euhedral cyrystals as pyritohedrons to 1-2 mm throughout matrix. As part of the larger Cobalt district complex, this operation between the years 1905 - 1956, once produced over 80,000 ounces of Silver; approximately 4,350,000 lbs. of Cobalt; 419,000 lbs. of Nickel; and 217,000 lbs. of Copper.

Origin: Agaunico mine, Cobalt, Ontario, Canada

Ex. Erling collection

Sample size: 6 x 6 x 4 cm

 

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Origin: Hakansboda, Vastmanland, Sweden

Owner: Lou Perloff

Microscopic image

 

Origin: Bixby, Iron Co., Missouri, U.S.A.

Owner: Lou Perloff

Microscopic image

Photo courtesy of: 

Photo-Atlas of Minerals

Well developped cobaltite crystals up to 3 mm in biotite matrix

Origin: Mt. Cobalt Mine, Selwyn, Queensland, Australia

Sample size: micromount

 

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Origin: Espanola, Ontario, Canada

Sample size: 6 x 4.5 cm (top), 6.2 x 5 cm, cobaltite to 0.8 cm across (bottom)

 

  

Silver and erythrite on cobaltite

Origin: Christopher Mine, Cobalt, Ontario, Canada, North America

Ex. Frank Edwards Collection

Sample size: 5 x 4 x 3 cm

 

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