天然玻璃 meaning in English
natural glass
Examples
- 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。