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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 | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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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REFERENCES for Indialite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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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] |
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Fleischer M (1955) New mineral names, American Mineralogist, 40, 787-788 [view file] |
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Miyashiro A, Iiyama T, Yamasaki M, Miyashiro T (1955) The polymorphism of cordierite and indialite, American Journal of Science, 253, 185-208 |
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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] |
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Daniels P (1990) What is the true space group of high-cordierite?, Zeitschrift für Kristallographie, 190, 271-276 |
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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] |
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