Diaspore

  

This is a v-twinned diaspore, typically having one side of the twin underdeveloped with respect to the other and thus shaped like a checkmark! It is exceptionally bright and gemmy, and transparent

Origin: Aydun, Mugula, Turkey

Sample size: 1.7 x 1 x 0.5 cm (left), 2.3 x 1 x 0.5 cm (right)

 

     

Origin: Aydan, Mugula, Turkey

Sample size: 2.5 x 1.2 cm

 

  

Origin: Mugula, Western Turkey
ex. Ralph Clark Collection

Sample size: 2 x 1 x 0.5 cm

 

     

Diaspore twin. Ex. M. Dodge collection

  

Origin: Mugla Province, Aegean Region, Turkey

Sample size: 1.8 x 0.6 x 0.4 cm (top), 6 x 2.1 x 1.3 cm (bottom)

 

  

Mangan-diaspore

Origin: Wessels Mine, Kalahari, South Africa

Sample size: 6.9 x 5.7 x 4.9 cm

 

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Origin: Emery Mine, Chester, Hampden County, Massachusetts, U.S.A.

Sample size: 8 x 4.5 cm (top), 5.2 x 4.1 x 3.2 cm (bottom)

 

  

     

Origin: Aydun, Mugula, Turkey

Ex. Keith Hayes collection

Sample size: 2.2 x 0.8 x 0.5 cm

 

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Variety mangan-diaspore

Origin: Postmasburg, Northern Cape Province, South Africa

Ex. Kidwell collection

Sample size: 5 x 3.5 x 2 cm

 

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Pink colourless tabular and acicular crystals in vugs, with minor natrolite

Origin: Saga I Quarry, Morje, Porsgrunn, Norway

Sample size: 2.5 x 3 cm

 

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Manganoan diaspore

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