ما هو
A low-grade beryllium silicate in volcanic tuff, and the source of most Western beryllium production.
المواد المستخرجة منه
| المادة | الدور | ملاحظة حول الدرجة |
|---|---|---|
| Beryllium | Principal commercial ore | — |
معدن الخام
Bertrandite
A low-grade beryllium silicate in volcanic tuff, and the source of most Western beryllium production.
Bertrandite, Fluorite-800903 ·
Erich Berger ·
CC BY 3.0
· Wikimedia Commons
