Beryl

Beryl is a cyclosilicate, and is the second main ore of beryllium metal. It is sometimes found as very, very large crystals, as much as 18 m. (59 ft.) long. Colored clear beryl is often used for jewelry, including emerald (green), aquamarine (bluegreen), bixbite (red), morganite (pink), and heliodor (golden).

Aquamarine
Bixbite
Emerald

Beryl Media

Main beryl producing countries
Beryl crystal structure with view down $C$ axis
Beryl (Var.: Aquamarine)*Locality: Nagar (Nagir), Hunza Valley, Gilgit District,
Aguamarina tallada.
beryl var. emerald, parasite-(Ce) : Muzo Mine, Mun. de Muzo, Vasquez-Yacopí Mining District, Boyacá Department, Colombia
Faceted emerald, 1.07 carats (0.214 g), Colombia
Faceted golden beryl, 48.75 carats (9.750 g), Brazil
beryl var. goshenite : Huya W-Sn-Be deposit (Pingwu beryl mine), Huya village, Mount Xuebaoding, Pingwu County, Mianyang Prefecture, Sichuan Province, China
Faceted goshenite, 1.88 carats (0.376 g), Brazil
Beryl, Quartz*Locality: Galiléia, Doce valley, Minas Gerais, Southeast Region, Brazil (Locality at mindat.org)*Size: large cabinet, 27.

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