What's the difference between agate and jadeite?

Agate is a kind of jade. Jade is the general name of all jade and jade. China usually refers to nephrite, and the best nephrite producing area in the world is Hotan County, Xinjiang, China. Nephrite is mainly composed of actinolite-tremolite, which is fine in texture, moist to the touch, oily and shiny, felt-like in structure and easy to distinguish. Nephrite is evaluated by texture and color. Agate belongs to low-grade jade raw materials. The aphanitic texture (that is, no crystal particles can be seen) has obvious band stripes and glass luster, which is easy to distinguish. Pay attention to the difference between agate and chalcedony. Agate is aphanitic, with obvious banded texture and glassy luster, chalcedony is microcrystalline, without banded texture, glassy to oily luster. Wearing jade often is good for your health, because jade contains many minerals that are good for your health and can be absorbed by your body when you wear it. Agate is the English name of agate and the Latin name of Rive Achates in Sicily. This is where Theophrastus first discovered agate in Italy (during the period of Dior Flatat). The word agate comes from Buddhist scriptures and was originally called "Asmagapo" in Sanskrit, meaning "horse brain". The word agate was used earlier in China. Chalcedony is called chalcedony in English. Agate and chalcedony are cryptocrystalline, and are collectively called chalcedony in mineralogy. Gemmologists call it an aphanitic block with banded structure. If the block has no banded structure, it is called agate and chalcedony. The chemical composition of agate is mainly silicon dioxide, which often contains trace elements such as iron, manganese and nickel. The crystal shape is aphanitic, with granular and fibrous structure, and the body is often stalactite, kidney-shaped, nodular and dense. Agate has annular stripes of various colors. Agate and chalcedony are pure white, and agate is very rich in color because it contains pigment ions and impurities, so there are thousands of agates and thousands of jadeites. Colors are red, blue, green, green, yellow-brown, brown, purple, gray and black, with concentric, layered, corrugated and striped patterns. Grease luster to glass luster, transparent to translucent. The refractive index is 1.54- 1.55. Hardness 7, density 2.61-2.65g/cm3. No cleavage, conchoidal fracture and crack. The difference between agate and chalcedony and similar jade. Agate and chalcedony can be distinguished according to different patterns such as colors and stripes. Chalcedony products are easily confused with Dongling stone, Miyu and Jasper, and can be distinguished according to the differences in color, texture and density. Chalcedony products have bright color, aphanitic texture and delicate texture. Quartzite such as Dongling Stone has coarse particles, fine structure and relatively rough texture. Jade similar to chrysotile includes emerald, turquoise and Tianhe stone. Green jadeite has variegated structure, and variegated or fibrous jadeite crystals can be seen. Turquoise has poor transparency, porcelain luster and low hardness of 5-6. Tianhe stone has obvious plaid stripes. Evaluation and purchase of agate and chalcedony. Agate can be divided into the following varieties according to its morphological characteristics: onyx (including silk-wrapped agate and cut agate), red onyx, moss agate (also called dendritic agate), scenic agate (also called city agate), agate and water bile agate. Nanjing's famous "Rain Flower Stone" is an agate with concentric grain structure. The evaluation and purchase factors of agate are color, transparency and fragmentation. The technological requirements are bright and pure color and thick color layer; Smooth surface and high transparency; The pattern is even, clear and linear; Fine and tough texture; No cracks or few cracks; The block size is very large. Red and blue are the best. Varieties of chalcedony: chrysotile (also known as Australian jade, China is also known as Yingkashi), dense chrysotile, chrysotile, blood chalcedony (also known as bloodstone) and so on. Chalcedony is pure and beautiful in color, and the bigger the block, the better. The quality of chrysotile and chrysotile is the most precious. Chalcedony is mostly processed into rings, bracelets, necklaces and other jewelry. Agate is a popular intermediate jade material since ancient times. There are countless famous agate jewelry in the world. Around 4000 BC, Egyptian Sameri people made an axe-like handicraft with agate, which is now in the new york History Museum. The largest water bile agate Art Grand View Garden in China, weighing 7350g, with a volume of 1 100 cubic centimeter and 850g of hidden water. The water sac is wrapped when agate is shaped, which is extremely precious and can be called a rare treasure. Many countries regard silk-wrapped agate and olivine as "birthstones in August". Westerners believe that wearing them symbolizes the harmony, love and happiness of husband and wife, and is called "the stone of happiness". Agate occurs in post-basic volcanic rocks, volcanic cracks and caves in hydrothermal deposits. Some people think that the cause of chrysotile asbestos is the result of hydrothermal process after volcanic period. There are many famous agate producing areas in the world. Brazil and China produce red agate and big agate, India and the United States produce moss agate, and Russia, Iceland, India, the United States and China produce gray agate. China is a big agate producer. World-class chrysotile asbestos is produced in Australia, Queensland, Sri Lanka, India and other countries.