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Red Beryl is thought to have formed as a vapor phase reaction in the rhyolite magma. Normaly rhyolite lacks gem minerals and beryl is even more uncommon. So the presence of Red Beryl suggests some unusual conditions for gemstone formation.
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www.minerals-n-more.com/Info_Beryl_Family.html
www.minerals-n-more.com/Info_Beryl_Family.html
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Aquamarine, emerald and morganite are all beryls – just like golden beryl, ... It is an exciting and very ancient story, which began millions of years ago when the appropriate pressure and temperature conditions formed precious crystals in the centre of the Earth. Beryls are beryllium-aluminium-silicates.
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www.gemstone.org/gem-by-gem/english/beryl.html
www.gemstone.org/gem-by-gem/english/beryl.html
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Information on the mineral beryl ... (Hexagonal) Beryl is famous for its perfect, six-sided crystals. Crystals are prismatic hexagons, and usually occur individually. Crystals may be enormous. Some 30 foot long (about 8 meters), well-crystallized examples are known to exist.
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www.minerals.net/mineral/silicate/cyclo/beryl/beryl.htm
www.minerals.net/mineral/silicate/cyclo/beryl/beryl.htm
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Brown G E , Mills B A , American Mineralogist , 71 (1986) p.547-556, High-temperature structure and crystal chemistry of hydrous alkali-rich beryl, from the Harding pegmatite, Taos County, New Mexico, Sample: T = 24 deg C, ... General Beryl Information ... Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
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webmineral.com/data/Beryl.shtml
webmineral.com/data/Beryl.shtml
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Silicates : Cyclosilicates : Beryl Tourmaline group ... Fuses with difficulty, roundening the edges of small fragments. Precious stone varietys of beryl is : ... Ytterklippen, Bjurholm, Ångermanland. Commonly as well formed crystals in quartz.
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www.geology.neab.net/minerals/beryl.htm
www.geology.neab.net/minerals/beryl.htm
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Beryl mineral information page at mineralminers.com: your on-line link for factual scientific data and mineralogical information concerning natural beryl, with links to each of the beryl varieties as well as beryl mining locations, physical properties, occurance and historical information regarding beryl. ... Red Beryl; Gems...
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www.mineralminers.com/html/berminfo.htm
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Tropical Storm Beryl was the second named storm of the 1994 Atlantic hurricane season. Beryl formed on August 14 in the Gulf of Mexico south of the Florida Panhandle. Beryl quickly attained tropical storm status before making landfall along the Florida Panhandle near Panama City. ... Beryl on August 14...
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weather.wikia.com/wiki/Tropical_Storm_Beryl_%281994%29
weather.wikia.com/wiki/Tropical_Storm_Beryl_%281994%29
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The mineral beryl (pronounced barrel) is a principle store of beryllium in the earth's crust. In its rare gem form it is notable for a variety of vivid allochromatic colors, each of which have different gem names. ... Habit: Usually well formed hexagonal prisms, either flattened or elongate, with pinacoidal terminations.
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www.geo.utexas.edu/courses/347k/redesign/gem_notes/Bery...
www.geo.utexas.edu/courses/347k/redesign/gem_notes/Beryl/beryl_triple_frame.htm
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Emerald is the green gemstone variety of the mineral Beryl (the blue variety of the mineral Beryl is Aquamarine). Beryl is beryllium aluminum silicate, with the known chemical composition of Be3Al2Si6O18. Emerald crystals are hexagonal in nature. ... How are Emeralds Formed?
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www.gemsuite.com/gemstones/emeralds/what_is_an_emerald....
www.gemsuite.com/gemstones/emeralds/what_is_an_emerald.html
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