
Bertrandite
A low-grade beryllium silicate in volcanic tuff, and the source of most Western beryllium production.

Beryl
The classic beryllium mineral. Most commercial beryllium now comes from bertrandite, a lower-grade but far more…

Garnierite (nickel laterite)
A green nickel silicate from tropically weathered rock. Laterite ore is soft and shallow but needs high-pressure acid…

Petalite
A lower-grade lithium silicate, historically important in glass and ceramics.

Quartz
The most common mineral in the continental crust, and — in a few unusually pure deposits — the start of the…

Zircon
The zirconium mineral, mined from the same beach sands as ilmenite. Individual crystals are the oldest known fragments…