USA, Brazyl, Austria, Italy, Tanzania, Pakistan, Russia, Sri Lanka, Burma, Color: green, yellow-green, Not Available, Hardness: 5.5 6, Refractive index: 1.66 1.71, Density: 3.25 3.55, Chemical composition: CaMg(Si2O6), Crystal structure: monoclinic, Origins: USA
Canada, Brazil, Madagascar, Mozambique, Russia, India, Pakistan, China, Sri Lanka, Color: yellow, green, pink or colorless, Hardness: 7.5, Refractive index: 1.57 1.59, Density: 2.67 2.75, Chemical composition: Be3Al2(SiO3)6, Crystal structure: hexagonal, Lustre: vitreous, Origins: Canada, Namibia, China. Among other varieties of beryl such as emerald, aquamarine or bixbite, beryl exists in different varieties such as: light yellow (heliodor), light green (vanadium beryl), light pink (morganite) or colorless (goshenite). Heat treatment could be applied to pink beryls to improve their color.
Yellow, Colorless, Brown, Blue, Green, gray
Green, Blue, Yellow, Colorless, pink
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Uneven, Conchoidal, Irregular, Gems, Brittle
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
Transparent, Transparent to opaque