Milarite

 

 

Origin: Val Giuv, Tavetch, Graubunden, Switzerland

Owner: Lou Perloff

Microscopic image

 

Origin: Fieschergletscher, Feisch, Valais, Switzerland

Owner: Lou Perloff

Microscopic image

 

 

Origin: near Rossing, Namibia

Owner: Lou Perloff

Microscopic image

 

Origin: Foote mine, Kings Mountain, Cleveland Co., North Carolina, U.S.A.

Owner: Lou Perloff

Microscopic image

 

Origin: Valenciana mine, Guanajuato, Mexico

Owner: Lou Perloff

Microscopic image

 

Photo courtesy of: 

Photo-Atlas of Minerals

  

From older finds in Brazil, this is a remarkably large and sharp barrel-shaped crystal of milarite on muscovite and albite

Origin: Jagauaracu, Minas Gerais, Brazil

Sample size: 4.5 x 3 x 3 cm

 

  

  

Lustrous yellow milarite crystals to 4 mm are found in clusters and as individuals, along with brown to white calcite plates on the snow-white matrix of lustrous valencianite crystals. Valencianite is a variety of adularia, which is a variety of orthoclase.

Origin: Valenciana Mine, Guanajuato, Guanajuato, Mexico

Ex. Gary Hansen collection

Sample size: 18.3 x 12.0 x 5.5 cm

 

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Milarite on albite with minor siderite

Origin: Valenciana mine, Guanajuato, Guanajuato, Mexico

Sample size: 2.5 x 3 x 1.2 cm

 

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Light yellow milarite crystals to 1-6 mm through adularia variety "Valencianite".

Origin: Mina Valencia, Guanojuato, Mexico

Sample size: 10 x 6 x 3 cm

 

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