Hackmanite on Marble
Collection
John Betts - Fine Minerals
Description
Block of marble with Hackmanite running throughout. The Hackmanite is colorless and blends with the matrix. Upon exposure to UV or sunlight it changes to violet color. Fluoresces orange under longwave UV illumination. Ex. Robert C. Linck (1905-1970)
Locality
Davis Quarry, Bancroft, Ontario, Canada
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