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

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

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

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

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

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

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

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

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

DESCRIPTION:No. 78898
Mineral:Sodalite var. Hackmanite in marble
Locality:Kiran, Kokscha Valley, Badakshan, Afghanistan
Description:Translucent purple hackmanite crystals, the tenebrescent variety of sodalite, in white marble. The hackmanite crystals fade to pale lavender-gray in daylight; turns deep purple after exposure to UV illumination. The hackmanite fluoresces white under SW UV and orange under LW-UV.
Overall Size:6.5x4.5x2.5 cm
Crystals:6-20 mm
Status: Sold - Posted here for reference only
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