Ditetragonal prism Small 180×320 Medium 359×640 Large 575×1024 Download Tiff Original 1348×2400 | (403.1 KB) Description "The dietetragonal prism is a form consisting of eight rectangular vertical faces, each of which intersects one horizontal crystallographic axis and is parallel to the other two axes." — Ford, 1912 Keywords diatetragonal, geology, geometry, prism Galleries Prisms Source: William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 32