Talk about the difference between agate and chalcedony The chemical composition of agate and chalcedony is the same, that is, silicon dioxide: SiO2, which is some form of ultra-fine crystal or cryptocrystalline quartz. This crystal is extremely small and can only be used with a naked eye under a high power microscope. visible. The Mohs hardness of umma and chalcedony is 7, some chalcedony can reach 8 and jade is 7, so agate and chalcedony are very hard stones that can be applied to a variety of jewelry. The density of agate and chalcedony is 2.65-2.66g/cm3, and jadeite is 3.24-4.43g/cm3. Chalcedony should be lighter than jade. The refractive index of chalcedony is 1.544-1.553, which is slightly lower than the refractive index of jadeite 1.66 (dot). In the market, people use a quartz block that is transparent and has only one color, that is, a structure without a band, called chalcedony, and a stripe called agate: A) Onyx The typical ring-like structure is very popular and there are many things that are enhanced in color. Pay attention when buying. B) skeining agate Wrapped onyx is known for its elegant design, and Mexico is one of the first places to produce this ingredient. Many of these materials are made into men's products such as men's rings, which are very tasteful. C) dendritic, mossy and feathery agate These agates have one thing in common, they all contain mineral elements of any color, but have a rough tree or dendritic pattern. Relatively speaking, those that look more like plants or feathers are called moss or feathery agate. Dendritic, mossy and feathery agate. YUNFREESILK's Silk duvet cover,the natural anti-aging product ,smooth,soft,breathable. It has a high tensile strength, making it strong, durable and rip proof. Also shrinkage resistant, retains shape over time.Skin friendly and preventing wrinkles ,great for your sleep.All Season Available:Cool feeling in the summer and not overly hot in winter.Gift box package!Every duvet cover is packaged with beautiful box .It is a wonderful gift choice for you and your family. Silk Duvet Covers,Silk Duvet Set,Silk Duvet Cover Queen,Silk Duvet Cover Set YUNFREESILK , https://www.yunfreesilk.com
The biggest difference between chalcedony and agate
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