Mineralogy Database

Guyanaite Mineral Data

Search Webmineral :

General Guyanaite Information

Help on Chemical  Formula: Chemical Formula: CrO(OH)
Help on Composition: Composition: Molecular Weight = 85.00 gm
   Chromium  61.17 %  Cr   89.40 % Cr2O3
   Hydrogen   1.19 %  H    10.60 % H2O
   Oxygen    37.64 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CrO(OH)
Help on Environment: Environment: Fine-grained intergrowth with other chromium oxide-hydroxide minerals. Trimorphous with bracewellite and grimaldiite.
Help on IMA Status: IMA Status: Approved IMA 1967
Help on Locality: Locality: Merume River and its tributaries, Mazaruni district, Guyana. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the localtiy.
Help on Name Pronunciation: Name Pronunciation: Guyanaite + Pronunciation Say GUYANAITE
Help on Synonym: Synonym: ICSD 2257
  PDF 25-1437