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, Koksha Valley, Badakhshan, Afghanistan

 
Sodalite var. Hackmanite from Kiran, Koksha Valley, Badakhshan, Afghanistan

Sodalite var. Hackmanite from Kiran, Koksha Valley, Badakhshan, Afghanistan

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

DESCRIPTION:No. 46190
Mineral:Sodalite var. Hackmanite
Locality:Kiran, Koksha Valley, Badakhshan, Afghanistan
Description:Transparent purple-gray sodalite crystals, variety hackmanite, in white marble with brown phlogopite mica. The sodalite crystal is tenebrescent: fades to light-lavender in daylight, but turns deep purple after exposure to UV illumination. Ex. Bob Holzer (1934-2009) collection
Overall Size:8x7x6 cm
Crystals:1-30 mm
Archived: For reference only

 

 

 

 

 

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