natural glass meaning in Chinese
天然玻璃
Examples
- Obsidian is a semi translucent to opaque natural glass formed by volcanic activity . its color is usually smoky brown to black or sometimes a mixture of both
黑曜石obsidian属于火成岩的一种，很多人都以为黑曜石并不属于水晶，但是黑曜的成分也是sio2二氧化硅为主。 - Rhodochrosite is also credited with improving eyesight , enhancing memory , and improving the eyesight . obsidian is a semi translucent to opaque natural glass formed by volcanic activity
黑曜石obsidian属于火成岩的一种，黑曜石是火山溶岩迅速冷却后形成的一种天然玻璃，属于非纯晶质的水晶宝石。