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ˈbe-rəl. : a mineral consisting of a silicate of beryllium and aluminum of great hardness that occurs in colorless hexagonal prisms when pure and in various colors (such as green, blue, yellow, or pink) when not pure, that is valued as a source of gems, and that is the principal source of beryllium.

Beryl

Gemstone
Beryl is a mineral composed of beryllium aluminium silicate with the chemical formula Be₃Al₂Si₆O₁₈. Well-known varieties of beryl include emerald and aquamarine. Naturally occurring hexagonal crystals of beryl can be up to several meters in size,... Wikipedia
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Beryl is a mineral composed of beryllium aluminium silicate with the chemical formula Be3Al2Si6O18. Well-known varieties of beryl include emerald and ...
It is one of the most important gem minerals, and the gems of beryl are named by their color as: emerald (green), aquamarine (greenish blue to blue), morganite ...
Beryl from www.mindat.org
A sky-blue to sea-green gem variety of beryl. It is mainly associated with granitic pegmatites. Blue Beryl (Maxixe), A ...
An award-winning store in Northampton, MA specializing in unique, handmade jewelry, homegoods and gifts including ceramics, glass, metal + wood, ...
The beryls are among the most popular, and also the most expensive, of all gems. A wide range of color is represented, from colorless to black.
Cho "BeryL" Geon-hee (Hangul: 조건희) is a League of Legends esports player, currently support for KT Rolster.
Beryl from nature.berkeley.edu
It is a ring silicate - the silicate tetrahedra are linked to form rings! Beryl commonly grows as elongate crystals with hexagonal cross sections.
The Mineral beryl ... Beryl is a most alluring and popular mineral. It occurs in a diversity of colors, and has several important gemstone varieties. The green ...