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Gypsum: sculpture
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Gypsum: sculpture. Lower Carboniferous. Hillsborough, New Brunswick. Collector: unknown. New Brunswick Museum (NBME 1092). Artifact width 8 cm. Cross carved from gypsum. Gypsum is soft; it has a harness of only 2 on Moh’s Scale that ranks mineral hardness from 1 to 10 (graphite to diamond).
