Mineralogy Database

Iridium Mineral Data

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General Iridium Information

Help on Chemical  Formula: Chemical Formula: (Ir,Os,Ru,Pt)
Help on Composition: Composition: Molecular Weight = 182.79 gm
   Iridium    52.58 %  Ir
   Osmium     31.22 %  Os
   Ruthenium   5.53 %  Ru
   Platinum   10.67 %  Pt
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pt0.1Ir0.5Os0.3Ru0.1
Help on Environment: Environment: As exsolution particles in Pt-Fe alloys.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1804
Help on Locality: Locality: Kamchatka Oblast', Pustaya River, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the element Iridium which was from the Latin, Iris = "rainbow" in allusion to the colored salts derived from its compounds.
Help on Name Pronunciation: Name Pronunciation: Iridium Say IRIDIUM
Help on Synonym: Synonym: ICSD 64992
  Irite - mixture of several PGE minerals
  PDF 6-598