What is chalcedony ? Friends who are not familiar with chalcedony often understand the chalcedony from the literal point of view, and think that the chalcedony is the essence of yellow jade, which is the essence of topaz. In fact, chalcedony and topaz are two different minerals. The chalcedony is a member of the chalcedony family, which is a hydrate of silica having a crystal size of less than 2 mm. The golden yellow light of the chalcedony has the power of fortune. Physiologically, the chalcedony can promote blood circulation and regulate the digestive system, so long-term wear of chalcedony can help human health; in addition, the chalcedony can also eliminate toxins, thus having the effect of beauty and beauty, and the beautiful MM must not miss it. . The ancient Romans believed that the chalcedony could act as a talisman, ward off evil spirits, ward off evil spirits, and prevent witchcraft from invading. The chalcedony is often used to make chalcedony pendant, chalcedony bead bracelet, chalcedony necklace, and chalcedony ring.
Topaz is a fluorine-containing aluminosilicate mineral, which is often produced in the pores of granite and rhyolite. It is formed when these rocks are heated by steam, and is often called citrine. In China, the yellow Hetian jade has long been called topaz. The shape of topaz is generally irregular granular or blocky or columnar. The colors are various, generally yellow, blue, green, red, brown and other light colors, with glass luster, and some are colorless and transparent. So what are the differences between chalcedony and topaz?
One: the ingredients are different. The chalcedony is not a jade, it is a mineral such as quartz; and the topaz belongs to the tremolite jade. Therefore, the main difference between the chalcedony and the topaz is the difference in composition.
Two: the difference in color. The chalcedony is a general term for the chalcedony which is yellow in the chalcedony. The reason why the yellow chalcedony is yellow is caused by the third-order iron ions contained in the chalcedony. The chalcedony contains orange-red chalcedony. The color of topaz is from light yellow to dark yellow, including okra yellow, beeswax, egg yolk, chestnut yellow, and chicken yellow.
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