其定义
A low-grade beryllium silicate in volcanic tuff, and the source of most Western beryllium production.
来源于此的材料
| 材料 | 角色 | 品位说明 |
|---|---|---|
| Beryllium | Principal commercial ore | — |
矿石矿物
A low-grade beryllium silicate in volcanic tuff, and the source of most Western beryllium production.
A low-grade beryllium silicate in volcanic tuff, and the source of most Western beryllium production.
| 材料 | 角色 | 品位说明 |
|---|---|---|
| Beryllium | Principal commercial ore | — |