Cobaltarthurite

Olive-greenish cobaltarthurite with arseniosiderite

Origin: Pastrana, Mazarrón, Murcia, Spain (type locality)

Picture size: 1.3 mm

Owner: Thomas Witzke

 

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This specimen of gossan has a large area of small fibrous crystals of cobaltarthurite. There is also arsenocrandallite present.

  

This specimen of gossan has a large area of small fibrous crystals of cobaltarthurite. There is also arsenocrandallite present.

  

This specimen of has a cavity with spherical sprays of small fibrous crystals of cobaltarthurite. There is also pharmacosiderite present.

Origin: Dolores Mine, Pastrana, Murcia, Spain (type locality)

Sample size: 3.5 x 2.2 x 1.3 cm (top), 3.5 x 2.2 x 1.3 cm (middle), 4 x 3 x 1.7 cm (bottom)

 

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Globular radial aggregates composed of acicular crystals to 1 mm associated with conichalcite.

Origin: Dolores prospect, Mazarron district, Murcia Province, Spain (type locality)

(See Min. Record 2003, Vol. 34, Number 4)

Sample size: 4 x 2 cm x 5 mm (top), 2.5 x 1.5 x 2 cm (2nd row), 3 x 3 x 2 cm (3rd row), 3 x 2.5 x 2 cm (4th row), 2 x 2 x1.5 cm (bottom)

 

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