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Large Hackmanite Crystal
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Collection |
John Betts - Fine Minerals |
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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. |
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Locality |
Kiran, Koksha Valley, Badakhshan, Afghanistan |
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Dimensions |
5 x 4 x 3 cm. |
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Specimen Grade |
C |
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Photograph |
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