Pyramid-shaped Biotite
Pyramid-shaped Biotite from Bancroft, Ontario, Canada
Collection John Betts - Fine Minerals
Description Tapered pyramid-shaped crystal of Biotite with lustrous faces at both ends. This is a complete crystal showing how the crystal enlarged as the environment allowed greater size. Old specimen ca. 1940. Ex. Robert C. Linck (1905-1970).
Locality Bancroft, Ontario, Canada
Dimensions 4 x 4 x 4 cm.
Specimen Grade B
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