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Mellite R070574

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Name: Mellite
RRUFF ID: R070574
Ideal Chemistry: Al2C6(COO)6·16H2O
Locality: Tuscany, Italy
Source: James Shigley [view label]
Owner: RRUFF
Description: Pale yellow prismatic crystal fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R070574.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Al1.95Fe3+0.05)Σ=2C6(COO)6·16H2O; CO2 and H2O from stoichiometry
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070574
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: R070574.1
Sample Description: Powder
Cell Refinement Output: a: 15.5495(2)Å    b: 15.5495(2)Å    c: 23.2011(7)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 5609.7(2)Å3    Crystal System: tetragonal
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Mellite

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]

Werner A G, Hoffmann C A S (1789) Mineralsystem des herrn Inspektor Werners mit dessen Erlaubnis herausgegeben von C.A.S. Hoffmann (as Honigstein)., 1, in Bergmännisches Journal 2 Berlage der Grazischen Buchhandlung Frenberg 369-390   [view file]

Gmelin J F (1793) Mellites, in Systema Naturae per Regna Tria Naturae, Volume 3 Georg Emanuel Beer 282-282   [view file]

Robl C, Kuhs W F (1991) A neutron diffraction study on hydrogen bonding in the mineral mellite (Al2[C6(COO)6]·16H2O) at 15 K, Journal of Solid State Chemistry, 92, 101-109

Echigo T, Kimata M (2010) Crystal chemistry and genesis of organic minerals: A review of oxalate and polycyclic aromatic hydrocarbon minerals, The Canadian Mineralogist, 48, 1329-1358   [view file]

Piro O E, Baran E J (2018) Crystal chemistry of organic minerals-salts of organic acids: the synthetic approach, Crystallography Reviews, 24, 149-175