Make sure to also see the gemstone section on Beryl, Emerald, Aquamarine, Morganite, Golden Beryl, and Goshenite.īeryl has many important localities worthwhile of being mentioned. The gemstone applications of the Beryl varieties are discussed in greater detail in their own dedicated gemstones pages. Beryllium is a very tough metal, and is sometime used in alloys to strengthen other metals. Due do its rarity, Red Beryl is rarely faceted as collectors prize its natural crystal form.īeryl is also an important industrial mineral, and is mined for the element beryllium (formerly known as glucinium). Morganite, Golden Beryl, and Heliodor are also used as gems, though Goshenite and Red Beryl are less frequently faceted into gemstone cuts.īeryl is a very important collector's mineral, and gemmy crystals can be very valuable. Semi-precious gem, is the most popular light blue gem. Variety Emerald is one of the most valuable gems. It can also be found in metamorphosed mica schists and in igneous rhyolite deposits.īeryl forms some of the most well-known and prized gemstones. Occasionally fluorescent yellow, light blue, purple, pink, or red.īeryl is most well-known from granite pegmatites. Occasionally in drusy or platy aggregates and as bundles of thin, long crystals. Also occurs in columnar aggregates, in distorted etched crystals, and massive. The bases of Beryl crystals are usually flat pyramidal terminations are rare. Beryl may also be short, stubby crystals, and occasionally in tabular crystals and plates. Crystals may be enormous in size some 30 foot long (8 meter), well-crystallized examples have been found. ![]() Crystals are usually as individual prismatic hexagons. May also be multicolored blue, green, yellow, or white, and may also have deeper color highlights on one crystal end.īeryl often crystallizes in perfect, six-sided hexagons. Light to emerald green, light to deep sky-blue, blue-green, yellow, pink, purple, red, orange, brown, colorless, white, and gray. Some of the largest natural crystals known are of Beryl, with enormous crystals having been found in several pegmatite occurrences.īeryllium aluminum silicate, occasionally with some sodium, lithium, and cesium All gemmy transparent varieties are highly valued, but the other forms of Beryl in opaque crystals are much more common. Of the element chromium, and the blue color of Aquamarine usually by iron.īeryl is naturally transparent, however inclusions and impurities may make it opaque. ![]() ![]() The green color in Emerald is usually caused by traces The diverse amount of colors and many varieties. However, a wide range of impurities cause When in good specimens, Red Beryl commands an outstanding premium and is very difficult to obtain. ![]() A deep red variety of Beryl, known as Red Beryl (or Bixbite) is extremely rare, and only comes from two localities in Utah. Other popular gem varieties of Beryl are the pink Morganite, and the yellow Heliodor and Golden Beryl. Green Beryl from certain localities can be heat treated to produce sky-blue Aquamarine. 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.)Īquamarine, another important gemstone, is the greenish-blue to blue variety of Beryl. The green variety, Emerald, is one of the most precious gems. It occurs in a diversity of colors, and has several important gemstone varieties. Beryl is a most alluring and popular mineral.
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