Amphibole Small 249×320 Medium 497×640 Large 796×1024 Download Tiff Original 1865×2400 | (455.3 KB) Description "Monoclinic. Crystals prismatic in habit; the prism faces make angles of 55 and 125 degrees with each other." — Ford, 1912" Keywords amphibole, crystal, geology, geometry, mineral Galleries Crystals Source: William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 238
