100 gemstone and / or 100 Catseye rings

Cateye is a quartz variety and resembles tiger and falcon eye. But the inclusions consist amfibolite or ten serpentine asbestos, this gives the stone after grinding the beautiful  cateye effect with a hue of white, gray and green. The names of these quartz is common since 1876. They are based on the characteristic color and shimmering shine. Cats eyes, were considered the guardians of farmers and peasants and served as talisman. In earlier centuries were feline eyes beloved gems, which they combined with diamonds. After the discovery of the large deposits in South Africa, the value rapidly. The cat is one of the "nine gems" in Thai Order of the Nine Gems. The deposition of cat and hawk eyes in South Africa are world famous. The minerals are extracted here since 1876 in the area of Griaquatown, Orange River in the Door massif. They are tens of centimeters thick layers of stratified rock solid Jaspislei. Later tiger is also known in other states. Also in Mexico and Western Australia have found tiger eyes, but here the inclusions of hematite and goethite are called tiger iron. Recently, Tiger Eye also found in China, India and Myanmar. In falcon eyes is essentially not changed parts riebeckite or crossiet. Deposits are found in Sri Lanka, India, the US, Brazil and Germany (Fichtelgebirge).

Gemstones are rare rocks, which are usually processed and used in jewelery and decorative objects. Gemstones have the following characteristics: Beauty. This includes visual aspects such as color, luster, fire, transparency and lighting effects. Durability. Here we look at hardness, fragility / cleavage and chemical resistance. Rarity. Here we look at how often a product found in nature. Gemstones can be cut into many different shapes. The basic distinction is made between cabochon, wherein the gemstone is polished in a convex shape, and faceted, wherein the surface of the gemstone will be cut in different facets. When grinding one looks at various characteristics of the stone, including the color, color distribution, inclusions, special lighting effects, dispersion and broken and slijvlakken. They are processed into necklaces, earrings, bracelets and many other jewelry, but the gems are used in the industry to process. Known gems include diamond, ruby, emerald, sapphire, aquamarine, topaz, tourmaline, amethyst, citrine, carnelian, opal, onyx, turquoise, lapis lazuli and garnet. In the 18th and early 19th century it was fashionable to make jewelry that person's name or initials were processed. When choosing the gems were allowed to be guided by the first letter of the name of the gemstone, and so arose the gems alphabet. Were also made similar achrosticonsieraden during the nineteenth century in which sentiments were expressed in gemstones. Best known is the English 'regard' ring, an engagement ring where the word' regard '(reverence) was formed by the precious ruby ​​(ruby), emerald (emerald), garnet (garnet), amethyst, diamond (diamond)

 
Gemstone mines worldwide