AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Canada > Sodalite var. Hackmanite in Nepheline-Syenite

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Sodalite var. Hackmanite in Nepheline-Syenite from Bancroft, Ontario, Canada

 
Sodalite var. Hackmanite in Nepheline-Syenite from Bancroft, Ontario, Canada

DESCRIPTION:No. 27665
Mineral:Sodalite var. Hackmanite in Nepheline-Syenite
Locality:Bancroft, Ontario, Canada
Description:White slab of hackmanite in nepheline-syenite. Normally the minerals are white, but after exposure to UV illumination the hackmanite turns purple, then turns white again in daylight. Fluoresces orange under LW UV illumination. Ex. A. Lincoln Sherk II, MD. (1896-1970)
Overall Size:15x9x3 cm
Crystals:1-2 cm
Status: Sold - Posted here for reference only
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