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Beryl - Wikipedia
https://en.wikipedia.org/wiki/Beryl
Beryl is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6. Well-known varieties of beryl include emerald and aquamarine. Naturally occurring, hexagonal crystals of beryl can be up to several meters in size, but terminated crystals are relatively rare.Beryl: The mineral Beryl info & pictures (aquamarine, emerald)
www.minerals.net/mineral/beryl.aspx
The green variety, Emerald, is one of the most precious gems. Only green Beryl with a deep green color is called Emerald; light green Beryl is simply "Green Beryl" (or Heliodor if it has a yellowish color.) Aquamarine, another important gemstone, is the greenish-blue to blue variety of Beryl.Rock Type‎: ‎Igneous‎, ‎Metamorphic
In Group‎: ‎Silicates‎; ‎Cyclosilicates
Crystal System‎: ‎Hexagonal
Cleavage‎: ‎3,1 - basal
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Beryl: The gemstone Beryl information and pictures - Minerals.net
www.minerals.net/gemstone/beryl_gemstone.aspx
Beryl is a single mineral with many varieties that are distinguished by their color.Color‎: ‎White, Colorless, Blue, Red, Green, Yell...
Refractive Index‎: ‎1.57 - 1.58
Hardness‎: ‎7.5 - 8.0
Double Refraction‎: ‎006
BERYL (Beryllium Aluminum Silicate) - Amethyst Galleries
www.galleries.com/Beryl
Beryl is often unknown to the general public, even the gemstone-buying public. However, it is one of the most important gem minerals. Beryl is colorless in pure form; it is the many different impurities that give beryl its varied coloration. Without these splendid color varieties, beryl would be a rather ordinary gemstone with ...Beryl: The Gem Mineral of Emerald, Aquamarine, Morganite
https://geology.com/minerals/beryl.shtml
Beryl is a minor ore of beryllium and the gem mineral of emerald, aquamarine, morganite, heliodor, maxixe, red beryl, goshenite and more.Uses‎: ‎Gemstones, a minor ore of beryllium
Chemical Classification‎: ‎Silicate
Chemical Composition‎: ‎Be3Al2Si6O18
Color‎: ‎Green, yellow, blue, red, pink, orange, c...
Beryl Mineral Data
webmineral.com/data/Beryl.shtml
Brown G E , Mills B A , American Mineralogist , 71 (1986) p.547-556, High-beryl - Wiktionary
https://en.wiktionary.org/wiki/beryl
(blues) blue; Alice blue, aqua, aquamarine, azure, baby blue, beryl, bice, bice blue, blue green, blue violet, blueberry, cadet blue, Cambridge blue, cerulean, cobalt blue, Copenhagen blue, cornflower, cornflower blue, cyan, Dodger blue, duck-egg blue, eggshell blue, electric-blue, gentian blue, ice blue, lapis lazuli, lovat, ...Beryl: Beryl mineral information and data. - Mindat.org
https://www.mindat.org/min-819.html
The largest beryl crystal reported was 18 m long and 3.5 m wide from MalakialinaBeryl: Buy Loose Beryl Gemstones at Wholesale Prices from GemSelect
https://www.gemselect.com › Gemstones
Buy beryl gemstones for jewelry online, shop for fine beryl gems, emerald, aquamarine, morganite, goshenite and golden beryl gemstones at wholesale prices from GemSelect.Beryl | Define Beryl at Dictionary.com
www.dictionary.com/browse/beryl
Beryl definition, a mineral, beryllium aluminum silicate, Be 3 Al 2 Si 6 O 18 , usually green, but also blue, rose, white, and golden, and both opaque and transparent, the latter variety including the gems emerald and aquamarine: the principal ore of beryllium. See more.
Beryl
Gemstone
Beryl is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula Be₃Al₂(SiO₃)₆. Well-known varieties of beryl include emerald and aquamarine. Wikipedia
Luster: Vitreous
Chemical formula: Be₃Al₂SiO₆
Hardness (Mohs hardness scale): 7.5 – 8
Transparency: Opaque, Transparent