Jewelry, jade, organic gems, can you get it? The basic concept of jewellery and jade: 1. Gem in a broad sense refers to all materials that can be used as jewelry or crafts after being honed and engraved. It includes natural and artificial gemstones. 2. The narrow gems refer to mineral single crystals produced by nature, which are beautiful, durable, rare and can be honed and carved into jewelry or crafts. 3, jade refers to the mineral aggregate produced by nature, with beautiful, durable, rare and process value. Let's talk about jewelry from the four words of beads, treasure, jade and stone. One, beads In jewelry and jade, it refers to pearls. At present, the pearls on the market are basically cultured pearls. According to the different waters produced, they can be divided into freshwater pearls and seawater pearls. Second, the gem It refers to natural mineral crystals that can be used for jewelry and other purposes. It can be divided into high-grade gemstones and medium-low-grade gemstones by value. The world's five precious gems are: diamonds, rubies, sapphires, emeralds and gold emerald cat eyes. Other common middle and low grade stones include: topaz, crystal, tanzanite, tourmaline, garnet and more. Third, jade Jade is a multi-mineral collection. In China, stones that meet the three characteristics of beauty, durability and scarcity can be called jade. There are many kinds of jade produced or used in China, and the value of Hetian jade and jade is the highest. (China does not produce jade, gem-quality jade is produced in Myanmar) Fourth, stone The so-called "stone" often mentioned in jewelry generally refers to colored stones for carving, such as: Shoushan Stone, Qingtian Stone, Bahrain Stone, and so on. Stone and jade generally have lower hardness, and most Mohs hardness is between 2 and 4 degrees. Five, organic gemstones It refers to organic minerals or organic gemstones formed by the action of ancient creatures and modern organisms that meet the requirements of gemstones. Including: pearls, amber, ivory, coral, tortoise shells, etc. The Waterproof and oil repellent fabric is also called [breathable fabric". It is a functional fabric that combines oil-proof, waterproof, moisture-permeable and warm-keeping properties after PU coating or film coating. It can resist the invasion of rain and stains. The body's hot air and sweat can be discharged in time to keep the body dry, warm and comfortable. Water Oil Repellent Fabric,Repellent Fabric,Waterproof Fabric,Oil Repellent Fabric Xinxiang Xinke Protective Technology Co, Ltd. , https://www.coverallsuits.com
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