Jewelry has broad sense and narrow sense, narrow sense of jewelry single refers to jade products, generalized jewelry should include gold, silver and natural materials (minerals, rocks, etc.), has certain value of jewelry, crafts, or other known collectively as jewelry, therefore the ancient times have "the gold and silver jewelry", divide the gold and silver and jewels. But with the development of society and economy, in addition to natural stones and artificial stones, Replica Cartier jewelry should be expanded to include the concept of gold, silver, jewelry, etc. Managing these items of industry are collectively referred to as "jewelry industry". The scope of the "jewelry" than the concept of generalized the "gem". Generalized gems refers to those suitable for thinking or carving processing for Cartier nail bracelet replica or handicraft raw materials. Gem stones if not beauty can't be, this beauty or show the gorgeous color, or characterized by transparent and clean, or special optical effect (such as cat's eye, color, luminous phenomenon), or with a special design (e.g., chrysanthemum stone, agate, jade plum flower, etc.). For example as diamond, less transparent defect can be used to hone into expensive diamond, the transparency is poor, many defect, dark is only used as industrial raw material. Due to the high value Cartier love bracelet replica, one cannot expect it to durable, can be protected even hereditary items. Cartier love bracelet replica became the most expensive gems, one of the reasons is that it is the world's most hard, and are not afraid of corrosion of gems, higher value on the deceased gems for more high hardness, corrosion resistance of silicate minerals, such as jade, a handful of oxide (e.g., ruby, sapphire,) and elemental mineral (diamond), and soft, susceptibility to corrosion of gems, such as jade, south jade, etc.) the value is low, often used for making handicraft, in order to work to win; But there are a few Cartier love ring replica exception, such as opal, pearls. The scarcity value, is rare in the world's emeralds, superior quality, tens of thousands of dollars per carat (0.2 g) value, and some beautiful and quite resistant to "long"Cartier love ring replica (e.g., amethyst), because the production is more, mining more easily, the price has been low. Some common rocks, after thinking also has the characteristics of beautiful and durable, but will not become a member of the gem family, its reason is easy to purchase in http://www.ourlovestore.com