Silicates & Quartz
Beryllium Silicate
What it is
A rare mineral group requiring the uncommon element beryllium. Phenakite and bertrandite are beryllium silicates, but the collector favorite is euclase — a prismatic crystal with perfect cleavage and exceptional brilliance.
How it forms
Forms in beryllium-rich granite pegmatites and hydrothermal veins. Beryllium is a rare element, so these minerals are uncommon.
BeAlSiO₄(OH) and related compounds
