Kamis, 09 Juli 2015
Jewelry is an object that is used to apply or beautify themselves. Jewelry is usually made of gold or silver and consists of a variety of forms ranging from rings, necklaces, bracelets, pendants and others. Jewelry usually given for a gift. Jewelry has the shape ranging from round, heart, boxes, and others. Jewelry is usually derived from minerals. Except for the cultivation of oysters for example Pearl Jewelry Lombok. The following terms are used within the terms of the jewelry industry: Pearl Pearl is a hard object produced within the soft tissue (specifically the mantle) of live molluscs. Just like its shell, pearl composed of calcium carbonate in crystalline form that has been stored in concentric layers. The ideal pearl is perfectly round and smooth shape, but there are also a variety of other forms. Best quality natural pearls have been highly valued as gemstones and objects of beauty for centuries, and therefore, the word "pearl" has become a metaphor for something very rare, fine, admirable, and valuable. Indonesia South Sea Pearls Indonesia South Sea Pearls Pearls are very expensive when sold and used as jewelry is great for the world of fashion. Precious pearl found in the wild, but the quantity is very rare. Cultured pearls or pearl oysters originating from a majority of pearls on the market. Eg sea south sea pearl pealrs, valued higher than freshwater pearls. Which are sold at a low price is the pearl imitation, but the quality is usually bad. In general, imitation pearls can be easily distinguished from genuine pearls. Many cultured pearls to be used as jewelry. However, in the past, pearls are also used as decoration on fancy clothes. Pearls can also be crushed and used in cosmetics, medicine, or in the paint formula. Pearls are considered to be qualified almost always colorful and resembles mother of pearl, such as leather interior that produces them. However, almost all kinds of shelled mollusks are capable of producing pearls are slightly less bright or less spherical shaped like a ball. Although they may also be legitimately referred to as "pearls" by gemological labs and also under the rules of the US Federal Trade Commission and are formed in the same way, most of them worthless, except as antiques. Almost all shelled mollusk can produce several types of pearls, through a natural process, when a microscopic object trapped in the mantle folds mollusks, but most of the pearls are not valued as a gemstone. A natural pearl is formed without any human intervention at all, in the wild, and very rare. Approximately hundreds of pearl oysters must be collected and opened, and thus killed, only to discover one wild pearl, and for centuries it was the only way to obtain a pearl. This is the main reason why pearl including very valuable in the past. Pearl cultivation, on the other hand, is one type of pearl that is formed with the involvement of humans, in a pearl farm. Gold the price of gold jewelry pearl jewelry gold ring with a gold-colored chili Gold is a chemical element Dlm periodic table that has the symbol Au (Latin: 'aurum') and atomic number 79. A transition metal (trivalent and univalent) are soft, shiny, yellow, heavy, "malleable", and "ductile". Gold does not react with other chemicals but is attacked by chlorine, fluorine and aqua regia. This metal is widely available in gold nuggets or dust on the rocks and in alluvial deposits and one of the coinage metals. ISOnya code is XAU. Gold melted into liquid form at temperatures around 1000 degrees Celsius. Gold is a metal that is soft and malleable, hardness ranging between 2.5 - 3 (Mohs scale), as well as its density depends on the type and content of other metals were combined with it. Gold carrier minerals are usually associated with the associated minerals (gangue minerals). Generally associated minerals such as quartz, carbonate, tourmaline, flourpar, and a small amount of non-metallic minerals. Gold carrier minerals are also associated with sulphide deposits that have been oxidized. Mineral carrier nativ gold consists of gold, electrum, gold Telluride, a number of alloys and gold compounds with the elements sulfur, antimony, and selenium. Electrum is actually another kind of gold nativ, only the silver content in which> 20%. Gold formed by magmatism or concentrating on the surface. Some precipitate formed by the process metasomatisme contact and hydrothermal solution, while the concentration of mechanically produce sediment placer (placer). Gold genesis categorized into two, namely: The primary precipitate; and Plaser sediment. Monetary gold as collateral currency that had been used by Bank Indonesia Gold is used as a financial standards in many countries and is also used as jewelry, and electronics. The use of gold in the monetary and financial field based on absolute monetary value of the gold itself against various currencies around the world, although officially in world commodity market, gold prices are listed in American dollars. The form of the use of gold in the monetary field is typically in the form of bouillon or gold bars in various units of weight grams to kilograms. Silver Lombok pearl ring silver Lombok pearl ring with silver metal fastener Silver is a chemical element in the periodic table that has the symbol Ag and atomic number 47. arms is derived from the Latin Argentum. A transition metal is soft, white, shiny, silver has the highest electrical and thermal conductivity across the contained metal and minerals and in free form. The metal used in coins, jewelry, tools table, and photography. Silver including precious metals like gold. Gemstones Gemstone is a mineral, rock formed from the result of geological processes that elements consist of one or several chemical components that have a high selling price, and the demand by collectors. Gemstone to be polished before made jewelry. The world is not all places contain gemstones. In Indonesia, only a few places that contain precious stones, among others, in the province of Banten with Kalimayanya, in Lampung with rock types and kinds charming wine cempaka, on the island of Borneo with Kecubungnya (amethys) and diamonds (diamonds). Gemstones have names starting from letter A to letter z is classified according to its hardness, known as Mohs scale of 1 to 10. The most desirable gem in the world is the crystalline that in addition to the type of precious stones such as diamonds, Emerald, Ruby and Sapphire, on Rock agate types of wines such as Blue Sky, bungur or amethyst derived from Tanjung Bintang, Lampung currently much in a hurry by collectors because of its crystalline quality.