Melanophlogite R060863
Name: Melanophlogite
RRUFF ID: R060863
Ideal Chemistry: C2H17O5·Si46O92
Locality: 6 miles east of Mount Hamilton, Santa Clara County, California, USA
Source: Michael Scott S100869 [view label]
Owner: RRUFF
Description: Colorless cubes
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
CHEMISTRY 
RRUFF ID: R060863.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060863
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060863.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.412(3)Å    b: 13.412(3)Å    c: 13.412(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 2412.6(3)    Crystal System: cubic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Melanophlogite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Fleischer M (1963) New mineral names, American Mineralogist, 48, 209-217   [view file]

Skinner B J, Appleman D E (1963) Melanophlogite, a cubic polymorph of silica, American Mineralogist, 48, 854-867   [view file]

Žák L (1972) A contribution to the crystal chemistry of melanophlogite, American Mineralogist, 57, 779-796   [view file]

Gies H (1983) Studies on clathrasils. III. Crystal structure of melanophlogite, a natural clathrate compound of silica, Zeitschrift für Kristallographie, 164, 247-257   [view file]

Kolesov B A, Geiger C A (2003) Molecules in the SiO2–clathrate melanophlogite: A single-crystal Raman study, American Mineralogist, 88, 1364-1368   [view file]

Nakagawa T, Kihara K, Fujinami S (2005) X-ray studies of structural changes in melanophlogite with varying temperature, Journal of Mineralogical and Petrological Sciences, 100, 247-259   [view file]

Nakagawa T, Kihara K (2006) Higher-order thermal motion tensor analysis and atom disorder in cubic melanophlogite, Journal of Mineralogical and Petrological Sciences, 101, 14-22

Xu H, Zhang J, Zhao Y, Guthrie G D, Hickmott D D, Navrotsky A (2007) Compressibility and pressure-induced amorphization of guest-free melanophlogite: An in-situ synchrotron X-ray diffraction study, American Mineralogist, 92, 166-173   [view file]

Tribaudino M, Artoni A, Mavris C, Bersani D, Lottici P P, Belletti D (2008) Single-crystal X-ray and Raman investigation on melanophlogite from Varano Marchesi (Parma, Italy), American Mineralogist, 93, 88-94