What is the difference between chalcedony and jade?
Chalcedony is a kind of quartz stone mineral, which is often misunderstood as the essence of jade. In fact, the chalcedony has fine particles, transparency is opaque to translucent, and has a lustrous luster. The color of chalcedony is very colorful. Blue chalcedony, purple chalcedony, green chalcedony, chalcedony, carnelian, blood chalcedony, black chalcedony and so on. Jade is not a quartz stone mineral, so chalcedony and jade are two different minerals. So, what are the differences between chalcedony and jade? The difference between chalcedony and jade 1. Differences in concept definition In mineralogy, the strict definition of jade by mineralogists is: jade is divided into two types, nephrite and jadeite. Among them, we often say that jade refers to nephrite, while nephrite has narrow and broad sense. Narrow jade refers to Hetian jade in Xinjiang, and broad jade includes Henan Nanyang jade, Jiuquan jade and Xiuyan. More than ten kinds of nephrites such as jade. Jadeite only refers to jade. Therefore, jade only includes several jade varieties, such as Xiuyan jade, Hetian jade, jade, etc., without chalcedony. Compared with the concept of jade, jade has a wide range of concepts, including chalcedony, hetian jade, jade, amber, crystal, coral, agate and so on. Therefore, chalcedony and jade are both varieties of jade, but the concept of chalcedony and jade is different. 2. Differences in chemical composition Nephrite is an aqueous calcium-magnesium silicate. Jadeite is a sodium aluminosilicate, so jade is a silicate mineral, and chalcedony is a cryptocrystalline aggregate of quartz, which is an adaptive mineral. Jade, which is easily confused with chalcedony, has jasper, dense jade, etc., such as Australian jade and jasper. Identification method of chalcedony The chalcedony in the market is often used to pretend to be crystal, agate and other jade, so how should we identify chalcedony? What are the identification methods of chalcedony? 1, the proportion of 掂 In general, the proportion of natural chalcedony is greater than that of pseudo-chalcedony, so it can be identified by contrast, the amount of hand rubbing, the weight of the hand is true chalcedony. 2, observe the luster Natural chalcedony, regardless of its permeability, contains a lot of impurities inside, and its luster is warm; while the color of fake chalcedony is more dry and dull, and the glass of counterfeit chalcedony has even bubbles inside. 3, measuring hardness The hardness of chalcedony is between 6.5 and 7 and can be scored with a small knife, because the hardness of the knife is about 5.5. If the chalcedony is true, there is no scratch; otherwise, it is fake chalcedony. SHAOXING NEWGROUND TEXTILE TRADING CO., LIMITED , https://www.shaoxingnewground.com
