AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Afghanistan > Sodalite var. Hackmanite

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Sodalite var. Hackmanite from Kiran, Kokscha Valley, Badakshan, Afghanistan

 
Sodalite var. Hackmanite from Kiran, Kokscha Valley, Badakshan, Afghanistan

Sodalite var. Hackmanite from Kiran, Kokscha Valley, Badakshan, Afghanistan

Sodalite var. Hackmanite from Kiran, Kokscha Valley, Badakshan, Afghanistan

Photo below under shortwave ultraviolet illumination:
Sodalite var. Hackmanite from Kiran, Kokscha Valley, Badakshan, Afghanistan

DESCRIPTION:No. 55358
Mineral:Sodalite var. Hackmanite
Locality:Kiran, Kokscha Valley, Badakshan, Afghanistan
Description:Translucent purple hackmanite crystals in white marble, the variety of sodalite that is tenebrescent (= fades to pale lavender-gray in daylight; turns deep purple after exposure to UV illumination). Ex. Gary Grenier (1950-2004) #GG-18
Overall Size:6.5x4.5x4.5 cm
Crystals:2-15 mm
Archived: For reference only

 

 

 

 

 

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