Beryl (var. Emerald)
Colombia - South America
Be3Al2Si6O18
Description
Well terminated, transparent, green dodecagonal prism having developed on a blade of gray calcite.
Mina La Pita, Estado de Boyacá
From the Greek beryllos "crystal of the color of sea water" and the Latin smaragdus, from the Greek smaragdos which probably comes from the Semitic root برق meaning to shine.
Class
8 - Silicates / Cyclosilicates
Dimensions (length x with x height in cm)
6x9.5x6
Hardness (Mohs)
7.5
Density (G/cm3)
2.8
Publication
"101 Minéraux et Pierres Précieuses qu'il faut avoir vus dans sa vie", "Emeraudes, tout un monde!"
