Mineralogy Database

Rosenhahnite Mineral Data

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General Rosenhahnite Information

Help on Chemical  Formula: Chemical Formula: Ca3Si3O8[(OH)2-4x,(CO3)x]
Help on Composition: Composition: Molecular Weight = 370.80 gm
   Calcium   32.43 %  Ca   45.37 % CaO
   Silicon   22.72 %  Si   48.61 % SiO2
   Hydrogen   0.52 %  H     4.62 % H2O
   Carbon     0.32 %  C     1.19 % CO2
   Oxygen    44.01 %  O
            ______        ______ 
            100.00 %       99.78 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3Si3O8(OH)1.9(CO3)0.1
Help on Environment: Environment: High pressure metamorphic mineral found in graywackes and serpentinites.
Help on IMA Status: IMA Status: Approved IMA 1967
Help on Locality: Locality: Russian River, 5 miles NNW of Colverdale, Mendocino Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Leo Rosenhahn (1904-1991), American amateur mineralogist, who found the mineral.
Help on Name Pronunciation: Name Pronunciation: Rosenhahnite + Pronunciation Say ROSENHAHNITE
Help on Synonym: Synonym: ICSD 100074
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