Marcasite

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“Orthorhombic. Crystals commonly tabular parallel to basal plane, showing also short prisms and low brachydomes. The brachydomes usually striated parallel to the brachy-axis. Often twinned, given coxcomb and spear-shaped groups.” — Ford, 1912

Keywords

geology, plane, crystal, mineral, basal, orthorhombic, brachydome

Galleries

Rocks

Source

William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 155

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