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

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Sodalite var. Hackmanite from Sar-e-Sang, Kokscha Valley, Badakshan, Afghanistan

 
Sodalite var. Hackmanite from Sar-e-Sang, Kokscha Valley, Badakshan, Afghanistan

Sodalite var. Hackmanite from Sar-e-Sang, Kokscha Valley, Badakshan, Afghanistan

Photo below under shortwave ultraviolet illumination:
Sodalite var. Hackmanite from Sar-e-Sang, Kokscha Valley, Badakshan, Afghanistan

DESCRIPTION:No. 35747
Mineral:Sodalite var. Hackmanite
Locality:Sar-e-Sang, Kokscha Valley, Badakshan, Afghanistan
Description:Several crystals of sodalite, variety hackmanite, frozen in white marble matrix. The hackmanite fades to pale blue-purple in white light, and turns deeper purple when exposed to UV light (this reaction is known as tenebrescence).
Overall Size:6x4x3 cm
Crystals:4-6 mm
Archived: For reference only

 

 

 

 

 

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