Mineralogy Database

Melanophlogite Mineral Data

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General Melanophlogite Information

Help on Chemical  Formula: Chemical Formula: SiO2•n(C,H,O,S)
Help on Composition: Composition: Molecular Weight = 2,929.11 gm
   Silicon   44.11 %  Si   94.36 % SiO2
   Hydrogen   0.78 %  H     6.95 % H2O
   Carbon     0.82 %  C
   Sulfur     0.55 %  S     1.09 % SO2
   Oxygen    53.75 %  O
            ______        ______ 
            100.00 %      102.40 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: 46(SiO2)C2H22.6O5.4(SO2)0.5
Help on Environment: Environment: A late-stage, low-temperature mineral with large, clathrate voids which host CH4, CO2, and N2. Stable below 40-65 deg. C.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1876
Help on Locality: Locality: In Italy, at Solfatara Giona, Racalmuto, and at Caltanissetta, Sicily. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "black" and "to be burned" in allusion to the fact that some specimens blacken on heating. Low temperature form.
Help on Name Pronunciation: Name Pronunciation: Melanophlogite + Pronunciation Say MELANOPHLOGITE
Help on Synonym: Synonym: ICSD 30791
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