Mineralogy Database

Beryl Mineral Data

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General Beryl Information

Help on Chemical  Formula: Chemical Formula: Be3Al2Si6O18
Help on Composition: Composition: Molecular Weight = 537.50 gm
   Beryllium   5.03 %  Be   13.96 % BeO
   Aluminum   10.04 %  Al   18.97 % Al2O3
   Silicon    31.35 %  Si   67.07 % SiO2
   Oxygen     53.58 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Be3Al2Si6O18
Help on Environment: Environment: Mainly granitic pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: Pala pegmatite District, San Diego Co., California for morganite. Columbia for emeralds. Russia for heliodor. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the ancient Greek, beryllos, signifying a "precious blue-green color of sea water" stone, but through later usage, applied only to beryl.
Help on Name Pronunciation: Name Pronunciation: Beryl Say BERYL
Help on Synonym: Synonym: Aquamarine - Blue varitey
  Emerald - green
  Goshenite - colorless
  Heliodor - yellow
  ICSD 2791
  Morganite - pink
  PDF 9-430