What is agate? Agate refers to chalcedony with a ribbon structure, which is a gelatinous mineral whose main component is silica. The hardness is 6.5-7, the proportion is 2.65, the fracture is shell-like, transparent to translucent, and the glass is shiny. The agate quality should be white, and it will appear gray, red, blue and other colors due to the inclusion of colored ions or other impurities. Natural agate after "burning red", heat treatment can make light agate into bright red. High quality white agate can also be dyed in a variety of colors. Agate is often made into personalized name bracelets[on your order] and small ornaments and decorations. Agate mainly produces in Brazil. The main source of agate in China is Fuxin, Liaoning province. What is ross quartz? Ross quartz is a kind of pink translucent to transparent quartz block, also known as "rosy quartz". Its chemical composition is mainly silica. In addition to pink, it is also dark pink. The hardness is 7, the proportion is about 2.65, and the fracture is shell-like, which is oily and lustrous. It is mainly used as necklaces, bracelets, and sometimes some small pendants or chicken hearts and earrings and other accessories. Ross quartz mainly produces in Brazil, China's main producing areas are Xinjiang, Yunnan and other places. What is krocodylite? Krocodylite is called "wood alexandrite" because of its similar appearance to wood. It is made of blue asbestos with mineral composition of sodium amphibole. It personalized photo pendant necklace[klik] is replaced by geological hydrothermal fluid. Silica in the hydrothermal solution gradually replaced sodium amphibole and became silicified chrysotile, the composition of which became quartz with a hardness of 7 and a proportion of 3.1. The krocodylite can be divided into three categories according to the color: yellow and yellow brown with cat's eye effect is called krocodylite. Mainly blue tone with cat's eye effect called eagle stone. Brown and blue spots mixed together is called Bamba krocodylite. The krocodylite is mainly used as necklace beads and bracelet beads. Its main producers are in Brazil and Australia. What is aventurine? In the geology, aventurine is called chrome mica quartzite with a hardness of 7. and a proportion of 2.65. It is brittle, translucent and has a staggered shape. According to its color, it can be divided into green aventurine, blue aventurine and red aventurine. Aventurine mainly produces in India, also known as Indian jade. It is often used to make necklace bead and bracelet bead, small hang adorn article and decorations.