Primitive Crystal Small 320×280 Medium 640×560 Large 1024×896 Download Tiff Original 2400×2101 | (405.5 KB) Description "When the base is a rhomboid, and the prism stands erect, it is only the opposite laeral faces that can be equal. The form is called a right rhomboidal prism." —The Encyclopedia Britannica, 1903 Keywords crystal, cube, lateral, Primitive, prism, rectangular, Rhomial, square Galleries Crystals Source: The Encyclopedia Britannica, New Warner Edition (New York, NY: The Werner Company, 1893)
