Amethyst Crystal Cathedral M1298 - Another great looking cathedral. Has somewhat lighter purple crystals but has beautifully formed outer shape and uniform crystals in the cavity. Great display piece. Amethyst is a semi-precious gemstone. A purple variety of quartz. Silicon dioxide. These large Amethyst cathedrals are from Brazil. The color in amethyst is due to irradiation, which caused the iron ions present as impurities in quartz to rearrange themselves in the crystal lattice affecting the color in reversible process. Amethyst as a gemstone is produced into many jewelry items, including beads, cabochons, faceted stones, carvings, and many others. Amethyst is the official gemstone for February. Weighs 34.4 pounds and measures 10" wide at the base and is 20-1/2" high. Good price too! GREAT BUY $295.00 (You can always remove items from your cart later if you wish) Home |  Close-outs and Sale Items |  Minerals |  Eggs and Spheres |  Fluorescents |  Fossils |  Fossil Replicas |  Carvings |  Novelty |  Books |  Tools |  Misc |  Gift Services |  Articles |  Mailbag |  Links |  Site Map |  Ray's Ramblings |  Contact