Mineralogy Database

Spinel Mineral Data

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General Spinel Information

Help on Chemical  Formula: Chemical Formula: MgAl2O4
Help on Composition: Composition: Molecular Weight = 142.27 gm
   Magnesium  17.08 %  Mg   28.33 % MgO
   Aluminum   37.93 %  Al   71.67 % Al2O3
   Oxygen     44.98 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: MgAl2O4
Help on Environment: Environment: Metamorphic mineral found in limestone and dolomite marbles and very-low silica and alkali igneous rocks (e.g. peridotites).
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1546
Help on Locality: Locality: Gem gravels of Sri Lanka and other notable locations. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Of uncertain origin, possibly derived from Latin, spina, for "thorn" in allusion to sharply-pointed crystals.
Help on Name Pronunciation: Name Pronunciation: Spinel Say SPINEL
Help on Synonym: Synonym: Balas ruby - Red
  ICSD 79000
  PDF 21-1152
  Ruby spinal