Amphibole Small 141×320 Medium 283×640 Large 452×1024 Download Tiff Original 1060×2400 | (296.8 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, monoclinic, prism Galleries Crystals Source: William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 238
