Beryl (var. Emerald)
Colombia - South America
Be3Al2Si6O18
Description
Hexagonal prism in a beautiful green color on a dome of small, lustrous rhombohedrons of gray calcite.
Coscuez, 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)
5x7.5x5.5
Hardness (Mohs)
7.5
Density (G/cm3)
2.8
Publication
"Extra Lapis # 21: Smaragde der Welt", "Mineralogical Record: Jan-Feb 2016", "Minéraux - Le Guide des Passionnés", "Emeraudes, tout un monde!"
