The most valuable of all beryls with the most beautiful, intense and sparkling green one could possibly imagine. Color before purity. Inclusions – lovingly known as “jardin” are perfectly acceptable.
Formula: Be3Al2Si6O18
Hardness: 7.5 – 8
Density: 2.65 – 2.78 g/cm3
Refractive Index: 1.564 – 1.604 DR: 0.006 – 0.010
Color:
Yellowish-green, green, bluish-green
Countries of Origin:
Colombia, Brazil, Zambia, Zimbabwe, Afghanistan, Pakistan
Birthstone: May