Large Hackmanite Crystal
Collection
John Betts - Fine Minerals
Description
Transparent purple Sodalite crystal, variety Hackmanite, in white marble. The crystal is tenebrescent: it fades to light-lavender in daylight, but turns deep purple after exposure to UV illumination. Ex. Bob Holzer (1934-2009) collection.
Locality
Kiran, Koksha Valley, Badakhshan, Afghanistan
Close
