Marcasite Small 320×116 Medium 640×233 Large 1024×372 Download Tiff Original 2400×872 | (174.1 KB) Description "Orthorhombic. Crystals commonly tabular parallel to basal plane, showing also short prisms and low brachydomes." — Ford, 1912 Keywords brachydome, crystal, geology, geometry, marcasite, mineral, orthorhombic, prism Galleries Crystals Source: William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 155 Courtesy the private collection of Roy Winkelman
