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name:
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Red Beryl
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| gemstone variety:
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Beryl
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| trade name 1:
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Red Beryl
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| trade name 2:
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Bixbite
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| trade name 3:
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|
| basic colour:
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red
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|
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Colour :
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red to purplish red
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Quality :
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the best colour is a strong, shiny cherry red. Slight
inclusions like in Rubies are accepted because completely
flawless Bixbites hardly exist.
|
History :
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Red Beryl minerals were first noticed at the beginning
of the 20th Century. However, gem quality Red Beryl was not
found until the late 1950's in the rhyolite host rocks of
the Violet claim near the town of Milford in Beaver County,
Utah, USA.
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Curiosities / Saga :
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Countrys of Origin :
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Wah-Wah-Mountains and Thomas Range in Utah, USA
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Birthstone :
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May - Emerald
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Hardness :
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7.5
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Treatment :
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none, sometimes oiled
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Size :
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mainly very small sizes below 0.25 carat. Cut stones
in fine quality of more than 1.00 carat are extremely
rare
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Specific gravity :
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2.70
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Chemical Composition Formula :
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(Al,Mn)2 Be3 (Si6 O18)
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Chemical Composition Name :
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aluminium- manganese- beryllium- silicate
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Crystal system :
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hexagonal
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Light refraction :
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1.570 - 1.598
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Double refraction :
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0.005 - 0.008
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