Alabaster Carving on Onyx Background. Alabaster Alabaster is a name used for gypsum and calcite but has also been used to indicate selenite. These minerals are easily worked due to their low hardness and have been used to craft all sorts of things since antiquity....
Almandine These deep purplish-red garnets were often featured in Victorian Jewelry. When they are cut en cabochon they are referred to as “carbuncles.” For more information read our article on garnets. Almandine Garnet Ring. Gemological Information for...
Amazonite Amazonite, a variety of the microcline series of the feldspar group, gets its name from the Amazon River. A gridlike structure visible in amazonite gives the stone a faint sheen and makes it easily identifiable. Amazonite is always carved, cut en cabochon,...
