Fornacite

Origin: El Khune mine, Anarak, Iran

Owner: Lou Perloff

Microscopic image

 

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Photo-Atlas of Minerals

  

Glassy yellow with slight green colour, prismatic crystals to about 0.5mm (lower left corner of photo right).

Origin: A.M. Claim, Granite Gap Mountains, Hidalgo Co., New Mexico, U.S.A.

Sample size: 1.5 x 1.5 x 1.5 cm

 

  

 

  

Grass green, bladed and spear-shaped crystals to 1 mm tucked between nice, glassy dioptase crystals

Origin: Reneville, Congo

Sample size: 6 x 4 x 3 cm with bright yellow-green micro crystals to less than 1 mm (top), 4.5 x 2.5 x 3 cm (bottom)

 

  

Origin: Blue Bell mine, Baker, San Bernardino Co., California, United States
Ex. DeVito Collection

Sample size: 5 x 3.5 x 1 cm

 

  

Dark grass green, bladed or wide spear-shaped crystals to 0.5 mm that appear slightly etched in a variety of spots associated with light blue plancheite "balls".

  

 

  

Fornacite with sky blue radial acicular tufts to 0.1 mm plancheite on chrysocolla matrix

Origin: Lone Star mine, Copperopolis, Yavapai Co., Arizona, United States
Ex. DeVito Collection

Sample size: 7 x 3 x 2 cm (top), 8 x 4 x 3.5 cm (2nd row), 8 x 6 x 4 cm (bottom)

 

  

Dark green spear shaped micro crystals in rosettes to 0.5 mm with yellow fibrous mimetite.

Origin: Evening Star mine, Maricopa Co., Arizona, United States

Sample size: 5.5 x 5 x 4 cm

 

  

Origin: Singer mine, Goodsprings, Clark Co., Nevada, United States

Sample size: 5 x 4 x 3 cm

 

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A rich cluster of 1-2 mm crystals of fornacite, perched in chrysocolla matrix

Origin: Reneville, Congo (Zaïre)

Sample size: 2.5 x 2 x 2 cm

 

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Origin: Lone Pine Mine, Yavapai Co., Arizona, U.S.A.

Sample size: 2.9 x 1.5 cm specimen of pale amethyst quartz with crystals of pistachio green fornacite to 0.5 mm across

 

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Green crust on matrix

Origin: Vekol Mine, Pinal Co., Arizona, USA

Sample size: micromount

 

Small grassgreen crystals with small crocoite on matrix

Origin: Callenberg Nord 1, Erzgebirge, Saxony, Germany

Sample size: micromount

 

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Origin: Whim Creek Copper Mine (Whim Creek Copper prospect; Whim Well Mine), Whim Creek, Pilbara Region, Western Australia, Australia

Sample size: field of view 2 mm

Sample owner: Steve Sorrell

 

 

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