Many friends who play jade will have heard of quartz jade. Many friends may not know what quartz jade is. In fact, quartz minerals are widely distributed in the earth's crust, so many jade are mainly quartz, and jade and agate are such jade.
Quartz jade, don't ignore it!
Quartz jade is a rock composed of quartz particles. The main mineral is trigonal, and it contains a small amount of mica, chlorite, clay minerals, limonite and other impurities. The main chemical composition is SiO2, and a small amount of impurity elements such as Ca, Fe, Mg, K, and Na.
Quartz jade is generally dense, tuberculous or stalactite. The surface of jade has a glass luster, but grease can also be seen at the fracture. The basic properties of jade are similar to those of crystal, but there are great differences in physical properties. The molar hardness of quartz jade is about 6.5-7, which is generally translucent to slightly transparent.
Quartz jade, really beautiful to me!
There are many kinds of quartz jade, and the distribution is also very wide. There are many jade stones with delicate texture and beautiful appearance. Even the small series are not interested in this. Are you still not concerned?
Chalcedony
Chalcedony is one of the oldest jade. The color of chalcedony is rich and colorful. In ancient times, the chalcedony was formed by the condensation of jade pulp. In fact, chalcedony is one of the most common quartz jade.
1 Carnelian: It is a red or orange-red translucent chalcedony, which is red because it contains iron oxide.
2 green chalcedony: green chalcedony is relatively rare, it is easy to be confused with jade, the green is because jade contains nickel, is one of the most valuable quartz ore.
3 Blue Chalcedony: The blue chalcedony is blue because it contains copper. It is generally opaque to translucent and has the name of “Taiwan sapphireâ€.
4 white chalcedony: It is a rare one in chalcedony. It is generally milky white and grayish white, delicate and transparent, and is often used to imitate nephrite.
2. Agate
Agate is also one of the chalcedony minerals. The main component is quartz. The agate is not only bright and beautiful, but also agate. As a Buddhist seven treasures, it also has the functions of health and well-being and beauty. Moreover, there are many types of agates than chalcedony, and there are many basis for dividing agate.
1 by color: white agate, red agate, green agate, blue agate, black agate.
2 divided by strips: onyx (a wide strip on the agate), skein on the agate (the strip is relatively narrow).
3 divided by impurities: moss agate, fire agate, water agate agate, landscape agate, rain stone.
3. Jasper
Jasper is also a kind of quartz jade, which consists of translucent to opaque chalcedony, which is generally opaque because of impurities. Jasper is usually named after color, such as green jasper and red jasper.
1 Landscape Jasper: Because of the different colors of the jasper, it forms a beautiful scenery, so it is called landscape jasper.
2 blood drop stone: is a dark jasper, because the jade stone has brown red iron oxide, so it seems to drop blood, so it is called blood drop stone.
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