Indialite R140777

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Record 1987 of 4216  


Name: Indialite
RRUFF ID: R140777
Ideal Chemistry: Mg2Al3(AlSi5)O18
Locality: Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Source: Ch. and H. Schäfer [view label]
Owner: RRUFF
Description: Violet isolated crystals, associated with quartz, albite (R180031) and tridymite (R140778).
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Beryl (28) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R140777
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R140777.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.804(2)Å    b: 9.804(2)Å    c: 9.317(3)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 775.53(9)Å3    Crystal System: hexagonal
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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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REFERENCES for Indialite

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]

Miyashiro A, Iiyama T (1954) A preliminary note on a new mineral, indialite, polymorphic with cordierite, Proceedings of the Japan Academy, 30, 746-751   [view file]

Fleischer M (1955) New mineral names, American Mineralogist, 40, 787-788   [view file]

Miyashiro A, Iiyama T, Yamasaki M, Miyashiro T (1955) The polymorphism of cordierite and indialite, American Journal of Science, 253, 185-208

Meagher E P, Gibbs G V (1977) The polymorphism of cordierite: II. The crystal structure of indialite, The Canadian Mineralogist, 15, 43-49   [view file]

Daniels P (1990) What is the true space group of high-cordierite?, Zeitschrift für Kristallographie, 190, 271-276

Balassone G, Franco E, Mattia C A, Puliti R (2004) Indialite in xenolithic rocks from Somma-Vesuvius volcano (Southern Italy): Crystal chemistry and petrogenetic features, American Mineralogist, 89, 1-6   [view file]