Aragonite Small 99×320 Medium 199×640 Large 318×1024 Download Tiff Original 745×2400 | (249.8 KB) Description "Orthorhombic. Acicular pyramidal; consisting of a prism terminated by a combination of a very steep pyramid and brachydome." — Ford, 1912 Keywords acicular, crystal, geology, geometry, mineral, orthorhombic, prism, pyramid Galleries Crystals Source: William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 214
