Mineralogy Database

Riebeckite Mineral Data

Search Webmineral :
  
Advertisment

General Riebeckite Information

Help on Chemical  Formula: Chemical Formula: [ ]Na2(Fe++3Fe+++2)Si8O22(OH)2
Help on Composition: Composition: Molecular Weight = 935.90 gm
   Sodium     4.91 %  Na    6.62 % Na2O
   Iron      29.84 %  Fe   23.03 % FeO / 17.06 % Fe2O3
   Silicon   24.01 %  Si   51.36 % SiO2
   Hydrogen   0.22 %  H     1.92 % H2O
   Oxygen    41.03 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2Fe2+3Fe3+2(Si8O22)(OH)2
Help on Environment: Environment: Magmatic and metamorphic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1888
Help on Locality: Locality: Socotra island, Indian Ocean, Yemen. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the German traveler, Emil Riebeck (1853-1885).
Help on Name Pronunciation: Name Pronunciation: Riebeckite + Pronunciation Say RIEBECKITE
Help on Synonym: Synonym: Crocidolite - asbestos form
  ICSD 38218
  PDF 19-1061