Petalite

  

Origin: Brumado, Bahia, Brazil
ex. Carlos Barbosa Collection

Sample size: 2.3 x 1 x 1 cm

 

  

 

  

 

  

Origin: Mogok, Burma

Sample size: 4.5 x 3 x 2 cm (top left), 2 x 1.6 x 1 cm (top right), 2.5 x 2 x 1.5 cm (2nd row left), 12 pieces up to 3 cm (2nd row right), 2.7 x 2.1 x 1.5 cm (bottom)

 

     

Origin: Paprok, Kunar Province, Afghanistan

Sample size: 7.3 x 2.9 x 2.4 cm

 

 

  

 

Origin: Mogok, Burma

Ex. William Larson collection

Sample size: 2.5 x 1.2 x 1.2 cm (top), 2.7 x 2.7 x 0.8 cm (2nd row), 1.4 x 1.0 x 0.7 cm (bottom)

 

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Origin: Varutråsk, Sweden

Sample size: 2.5 x 6.5 cm

 

Pink crystalline patches in matrix

Origin: Meldon Aplite Quarry, Okehampton, Dartmoor, Devon, U.K.

Sample size: thumbnail

 

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Origin: Kamdesh, Kunnar Prov., Afghanistan

Sample size: 12 x 6.5 x 4 cm

 

  

Origin:  Mogok, Myanmar

Sample size: 2.6 x 2.1 x 1.5 cm

 

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Greyish white short equant crystals to 5 mm in soft white earthy matrix. The labels call the matrix "hydrocastorite" (mixture of stilbite, mica, petalite).

Origin: Elba, Italy

Ex. DeVito collection

Sample size: 10 x 5 x 6 cm

 

Origin: Newry, Maine, United States

Ex. Kidwell collection

Sample size: 4 x 3 x 3 cm

 

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