General Melanophlogite Information![]() SiO2•n(C,H,O,S) |
![]() Molecular Weight = 2,929.11 gm |
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Silicon 44.11 % Si 94.36 % SiO2 |
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Hydrogen 0.78 % H 6.95 % H2O |
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Carbon 0.82 % C |
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Sulfur 0.55 % S 1.09 % SO2 |
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Oxygen 53.75 % O |
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100.00 % 102.40 % = TOTAL OXIDE |
![]() 46(SiO2)C2H22.6O5.4(SO2)0.5 |
![]() A late-stage, low-temperature mineral with large, clathrate voids which host CH4, CO2, and N2. Stable below 40-65 deg. C. |
![]() Valid Species (Pre-IMA) 1876 |
![]() In Italy, at Solfatara Giona, Racalmuto, and at Caltanissetta, Sicily. Link to MinDat.org Location Data. |
![]() From the Greek for "black" and "to be burned" in allusion to the fact that some specimens blacken on heating. Low temperature form. |
![]() Melanophlogite + Pronunciation |
![]() ![]() ICSD 30791 |
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Melanophlogite-alpha |
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PDF 27-7 |
| | Melanophlogite Image
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Melanophlogite Crystallography![]() a:c = 1:0.5 |
![]() a = 26.79, c = 13.395, Z = 4; V = 9,613.65 Den(Calc)= 2.02 |
![]() Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 41/nbc |
![]() By Intensity(I/Io): 5.99(1), 3.58(0.9), 5.471(0.7), |
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| Physical Properties of Melanophlogite![]() None |
![]() Brown, Colorless, Light yellow, Dark reddish brown. |
![]() 1.99 - 2.11, Average = 2.04 |
![]() Transparent to Translucent |
![]() Brittle - Generally displayed by glasses and most non-metallic minerals. |
![]() Encrustations - Forms crust-like aggregates on matrix. |
![]() 6.5-7 - Pyrite-Quartz |
![]() Fluorescent, Short UV=weak gray-white, Long UV=gray-white. |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Melanophlogite![]() CI meas= 0.034 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.02 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2183,KPDmeas= 0.2151,KC= 0.2228 Ncalc = 1.44 - 1.47 ![]() Isotropic, n=1.425-1.457. |
| Calculated Properties of Melanophlogite![]() Bulk Density (Electron Density)=2.03 gm/cc |
note: Specific Gravity of Melanophlogite =2.02 gm/cc. ![]() Fermion Index = 0.02 |
Boson Index = 0.98 ![]() PEMelanophlogite = 1.73 barns/electron |
U=PEMelanophlogite x rElectron Density= 3.51 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Melanophlogite is Not Radioactive | Melanophlogite Classification![]() 75.02.02.01 (75)Tectosilicate Si Tetrahedral Frameworks |
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(75.02)SiO2 with H2O and organics |
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(75.02.02)Melanophlogite Polymorphs |
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![]() 04.DA.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DA -With small cations |
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| Other Melanophlogite Information![]() NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic2) |
![]() Links to other databases for Melanophlogite : |
1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - GeoScienceWorld 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - Mineral and Gemstone Kingdom 13 - Mineralienatlas (Deutsch) 14 - Online Mineral Museum 15 - QUT Mineral Atlas 16 - Ruff.Info 17 - WWW-MINCRYST 18 - Zeolite Database by Bruno Herreros Search for Melanophlogite using: Visit our Advertisers for Melanophlogite : A Bijoux Google Search for MelanophlogiteAdam's Minerals Google Search for Melanophlogite Cape Minerals Google Search for Melanophlogite Dakota Matrix Minerals Google Search for Melanophlogite Excalibur Mineral Corp. Google Search for Melanophlogite Exceptional Minerals Google Search for Melanophlogite John Betts Fine Minerals Search for Melanophlogite McDougall Minerals Google Search for Melanophlogite Mineral News Website Link Rock and Mineral Shows Google Search for Melanophlogite Weinrich Minerals, Inc. Google Search for Melanophlogite Ask about Melanophlogite here : Print or Cut-and-Paste your Melanophlogite Specimen Label here :
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