Mcguinnessite

  

Origin: Red Mountain, Mendocino Co., California, USA

Sample size: 6 x 4 x 3 cm, spherulitic crystals to 0.75 mm

 

  

 

  

 

  

 

  

 

  

 

  

 

  

Ex. Eaton collection

  

 

  

Ex. DeVito collection

Origin: Basic Refractories mine, Gabbs, Nye Co., Nevada, U.S.A.

Sample size: 6 x 4 x 4 cm, crystals to 0.25 mm (top), 6 x 3 x 3 cm, crystals to 0.25 mm (2nd row), 3 x 2.5 x 1.5 cm (3rd row), 6 x 4.5 x 2.5 cm (4th row), 5 x 4 x 4 cm (5th row), 5 x 4 x 4 cm (6th row), 4 x 3.5 x 2 cm (7th row), 8 x 6 x 2 cm (8th/9th row), 5.5 x 4 x 3 cm (bottom)

 

Photo courtesy of: 

Origin: Miners Ridge, Red Mt., Mendocino Co., California, U.S.A.

Owner: Lou Perloff

Microscopic image

 

Origin: Hunting Hill, Rockville, Montgomery Co., Maryland, U.S.A.

Owner: Lou Perloff

Microscopic image

 

Photo courtesy of: 

Photo-Atlas of Minerals

  

Origin: Miners Ridge, Red Mountain, Mendocino Co., California, U.S.A.

Sample size: 1.6 x 4.7 cm

 

  

  

Bright blue tiny spheres of mcguinnesite with euhedral clear crystals of vuagnatite, quartz crystals and malachite.

Origin: Red Mountain, Near Ukiah, Mendocino County, California, U.S.A.

Ex. Isaias Casanova collection

Sample size: 5.5 x 4 x 3 cm

 

Photo courtesy of: 

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