garnet
Ziyawu refers to garnet gems. Garnet, the English name of garnet, evolved from the Latin word "Granatum", which means "like a seed". Garnet crystals are very similar in shape and color to pomegranate seeds, hence the name "Garnet". Ziya House is also called Ziya House, and it is also called Ziya House in Chinese jewelry industry. According to legend, its name comes from the ancient Arabic word "Wu Ya", which means "ruby". Garnet is called "purple tooth black" because of its deep red and purple color.
Chemical composition: A3B2 [SiO2] 3.
Crystal system: It belongs to equiaxed crystal system.
Refractive index: 1.74- 1.88.
Hardness: 6.5-7.5,
Density: 3.5-4.3g/cm3.
Origin: Sri Lanka, India, Madagascar, USA, China and other countries. Gem-grade garnet minerals have been found in more than ten provinces in China.
Garnet is named because its crystal shape is similar to mature pomegranate seeds. The name of garnet comes from Latin, which means "like a seed". China called it Ziya Dance in ancient times.
Garnet, with hardness of 6.5-7.5, strong luster, bright color and high transparency, is one of the precious stones that modern people like. Garnet is the birthstone of 1 month, and is considered as a symbol of faith, loyalty and sincerity. Throughout the ages, garnet has been thought to ensure a safe journey, so people who travel frequently often carry it with them.
Evaluation and purchase of garnet. The evaluation and purchase of garnet are based on color, transparency and particle size. The standard requirements of gem-grade garnet are: good transparency, bright color and particle size greater than 5 mm. In the international gem market, pure and flawless garnet with bright color and crystal clear is of high value. Emerald Cr-V-Al garnet has the highest value, and its high quality can be compared with emerald. Red and orange garnets are also valuable.
Garnet is one of the common low-grade gems at present. Varieties with rich and pure colors and high transparency are the best of garnet. With high refractive index, strong luster and beautiful colors, it is a favorite gemstone variety. Many countries in the world regard garnet as "the birthstone of January", which symbolizes loyalty, friendship and chastity. Westerners believe that garnet has the magical effect of treating diseases and saving lives; In the Middle East, garnet was chosen as a royal token.