32520: Cassiterite - $30 Viloco Mine, Loayza Province, La Paz, Bolivia Miniature - 5.4 x 4.9 x 4.7 cm 385 grams Specimen status: Available Send an email with specimen number to order A surprisingly heavy, partial
cassiterite crystal. This specimen is notable mostly for
its size or as an ore sample more visually appealing than
most ore samples of this species. Cassiterite has a
specific gravity of 7.0, due (most probably) to short
tin-oxygen bonds.
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