1, Origin: Diabase is a special mineral, mainly produced in Brazil, Mexico, the United States, Canada and other places, among which the diabase in Mexico is of good quality, glassy igneous rock, and its main component is silica.
2. History: Among the emperors of China, there are countless people who cherish the crystal. During the Three Kingdoms period, Sun He danced with the crystal on a whim and accidentally injured his wife. During the Wei and Jin Dynasties, King Hedong treasured crystals. During the reign of Kangxi, Guangdong and Guangxi always prepared to offer the most wine glasses to the palace. Kangxi tried them on and thought they were good, so he gave them to his son (later Andrew).
3. Obsidian actually refers to obsidian, which is a natural glassy igneous rock with a dark black appearance and glassy luster, and the transparency can range from translucent to fully transparent. The chemical composition of obsidian includes magnesium oxide and iron oxide, and there is no specific name of obsidian in mineralogy and jewelery. Obsidian is widely used as gems, handicrafts and cutting materials because of its aesthetic and economic value, and it is widely distributed, including Mexico and Japan.