Mineralogy Database

Caminite Mineral Data

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General Caminite Information

Help on Chemical  Formula: Chemical Formula: Mg7(SO4)5(OH)4•(H2O)
Help on Composition: Composition: Molecular Weight = 736.50 gm
   Magnesium  23.10 %  Mg   38.31 % MgO
   Hydrogen    0.82 %  H     7.34 % H2O
   Sulfur     21.77 %  S    54.35 % SO3
   Oxygen     54.31 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg7(SO4)5(OH)4•(H2O)
Help on Environment: Environment: Formed by the reaction of sea water with hydrothermal fluids in a midocean ridge submarine chimney vent. Unstable below 130 deg C., below which it hydrates and redissolves in sea wa ter.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Along the East Pacific Rise at 21deg N Lat. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Latin caminus, for chimney, as the mineral occurs in undersea black-smoker chimneys.
Help on Synonym: Synonym: ICSD 66174
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