21093: Gypsum (two specimens) - $20 Paris, Ile-de-France, France Large cabinet - 18.4 x 7.1 x 1.1 cm (larger specimen) 230 grams (total weight) Ex Lucius L. Hubbard and Michigan College of Mines Specimen status: Reserved Send an email with specimen number to order Two highly transparent gypsum
cleavages, the larger of the two obviously twinned. Ex Lucius L. Hubbard
collection, which dates the specimens to sometime before
1933. The Hubbard
collection was donated to the Michigan College of Mines;
their label accompanies the specimens.
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