Books On Gemology Classes' title='Books On Gemology Classes' />Telescopes, binoculars, spotting scopes, microscopes, night vision, and accessories. Brands include Bausch and Lomb, Celestron, Coronado, Konus, Meade, Parks, TeleVue. MINERALOGICAL RESEARCH COMPANY 15840 East Alta Vista Way San Jose, CA 951271737 U. S. A. We have been in buisness 33 years in San Diego. We offer mineral specimens for all. Also fossils,gemstones and teaching kits. Books On Gemology' title='Books On Gemology' />Portal Gemology and jewelry Wikipedia. Gemology or gemmology is the science, art and profession of identifying and evaluating gemstones. It is considered a geoscience and a branch of mineralogy. Some jewelers are academically trained gemologists and are qualified to identify and evaluate gems. Recently, the demand for gemological services has grown, as increasing quantities of synthetic gems such as cubic zirconia and synthetic moissanite are manufactured. Books On Gemology OnlineGemologists perform such work as the identification of synthetic and natural gemstones, fracture filled gemstones, and color enhanced or treated natural gemstones. Design Patterns C# Pdf on this page. A gemstone is a mineral, rock, or petrified material that when cut or faceted and polished is collectable or can be used in jewelry. Gemstones are basically categorized by their crystal structure, specific gravity, refractive index, other optical properties, and hardness. Jewellery or jewelry is a personal ornament, such as a necklace, ring, or bracelet, made from jewels, precious metals or other substance. The word jewellery is derived from the word jewel, which was anglicised from the Old French jouel in around the 1. Further tracing leads back to the Latin word jocale, meaning plaything. Books On Gemology SchoolJewellery is one of the oldest forms of body adornment recently found 1. Nassarius shells that were made into beads are thought to be the oldest known jewellery. Cons Of Two Way Immersion Programs. Jewellery is made out of almost every material known and has been made to adorn nearly every body part, from hairpins to toe rings and many more types of jewellery. While high quality and artistic pieces are made with gemstones and precious metals, less costly costume jewelry is made from less valuable materials and is mass produced.