" R141101 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

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Mullite R141101

Name: Mullite
RRUFF ID: R141101
Ideal Chemistry: Al_4+2xSi_2-2xO_10-x (x ≈ 0.4)
Locality: Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany
Source: Ch. and H. Schäfer [view label]
Owner: RRUFF
Description: Violet acicular crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Quick search: [ All Mullite samples (3) ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented Raman on the primary sample, 780nm spectrum is overwhelmed by fluorescence

DOWNLOADS:

To download sample data,
please select a specific
orientation angle.

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R141101

Wavelength:

Sample Description:

Unoriented Raman on the primary sample, 780nm spectrum is overwhelmed by fluorescence

Instrument settings:

Thermo Almega XR 532nm @ 10% of 150mW

DOWNLOADS:

	Raman Data (Processed)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R141101.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 7.521(4)Å b: 7.682(3)Å c: 2.895(1)Å
alpha: 90° beta: 90° gamma: 90° Volume: 167.26(8)Å³ Crystal System: orthorhombic

File Type Information

Calculated diffraction file.

File Type Information

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

DOWNLOADS:

	DIF File
	X-ray Data (XY - RAW)
	RRUFF File

REFERENCES for Mullite
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]
Bowen N L, Greig J W, Zies E G (1924) Mullite, a silicate of alumina, Journal of the Washington Academy of Sciences, 14, 183-191 [view file]
Foshag W F (1924) New minerals: new species, American Mineralogist, 9, 211-212 [view file]
Agrell S O, Smith J V (1957) X-ray crystallography of mullite, sillimanite and praguite, Acta Crystallographica, 10, 761-761
Durovic S (1962) A statistical model for the crystal structure of mullite, Soviet Physics - Crystallography, 7, 271-278 [view file]
Kahn-Harari A, Abolhassani S, Michel D, Mazerolles L, Portier R, Perez-Ramirez J G (1991) Observation of ordering in silicon and germanium mullites, Journal of Solid State Chemistry, 90, 234-248
Niven M L, Waters D J, Moore J M (1991) The crystal structure of werdingite, (Mg,Fe)₂Al₁₂(Al,Fe)₂Si₄(B,Al)₄O₃₇, and its relationship to sillimanite, mullite, and grandidierite, American Mineralogist, 76, 246-256 [view file]
Voll D, Lengauer C, Beran A, Schneider H (2001) Infrared band assignment and structural refinement of Al-Si, Al-Ge, and Ga-Ge mullites, European Journal of Mineralogy, 13, 591-604
Popović J, Tkalcec E, Gržeta B, Kurajica S, Schmauch J (2007) Cobalt incorporation in mullite, American Mineralogist, 92, 408-411 [view file]
Fischer R X, Tikhonova V, Birkenstock J, Fischer L A, Herrmann K, Mengel K, Schneider H (2015) A new mineral from the Bellerberg, Eifel, Germany, intermediate between mullite and sillimanite, American Mineralogist, 100, 1493-1501 [view file]
Bost N, Duraipandian S, Guimbretière G, Poirier J (2016) Raman spectra of synthetic and natural mullite, Vibrational Spectroscopy, 82, 50-52
Igami Y, Ohi S, Kogiso T, Furukawa N, Miyake A (2019) High-temperature structural change and microtexture formation of sillimanite and its phase relation with mullite, American Mineralogist, 104, 1051-1061
Lenz S, Birkenstock J, Fischer L A, Schüller W, Schneider H, Fischer R X (2019) Natural mullites: chemical composition, crystal structure, and optical properties, European Journal of Mineralogy, 31, 353-367
Lenz F, Birkenstock J, Fischer L A, Schneider H, Fischer R X (2020) Mullite-2c – a natural polytype of mullite, European Journal of Mineralogy, 32, 235-249 [view file]

REFERENCES for Mullite

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]

Bowen N L, Greig J W, Zies E G (1924) Mullite, a silicate of alumina, Journal of the Washington Academy of Sciences, 14, 183-191 [view file]

Foshag W F (1924) New minerals: new species, American Mineralogist, 9, 211-212 [view file]

Agrell S O, Smith J V (1957) X-ray crystallography of mullite, sillimanite and praguite, Acta Crystallographica, 10, 761-761

Durovic S (1962) A statistical model for the crystal structure of mullite, Soviet Physics - Crystallography, 7, 271-278 [view file]

Kahn-Harari A, Abolhassani S, Michel D, Mazerolles L, Portier R, Perez-Ramirez J G (1991) Observation of ordering in silicon and germanium mullites, Journal of Solid State Chemistry, 90, 234-248

Niven M L, Waters D J, Moore J M (1991) The crystal structure of werdingite, (Mg,Fe)₂Al₁₂(Al,Fe)₂Si₄(B,Al)₄O₃₇, and its relationship to sillimanite, mullite, and grandidierite, American Mineralogist, 76, 246-256 [view file]

Voll D, Lengauer C, Beran A, Schneider H (2001) Infrared band assignment and structural refinement of Al-Si, Al-Ge, and Ga-Ge mullites, European Journal of Mineralogy, 13, 591-604

Popović J, Tkalcec E, Gržeta B, Kurajica S, Schmauch J (2007) Cobalt incorporation in mullite, American Mineralogist, 92, 408-411 [view file]

Fischer R X, Tikhonova V, Birkenstock J, Fischer L A, Herrmann K, Mengel K, Schneider H (2015) A new mineral from the Bellerberg, Eifel, Germany, intermediate between mullite and sillimanite, American Mineralogist, 100, 1493-1501 [view file]

Bost N, Duraipandian S, Guimbretière G, Poirier J (2016) Raman spectra of synthetic and natural mullite, Vibrational Spectroscopy, 82, 50-52

Igami Y, Ohi S, Kogiso T, Furukawa N, Miyake A (2019) High-temperature structural change and microtexture formation of sillimanite and its phase relation with mullite, American Mineralogist, 104, 1051-1061

Lenz S, Birkenstock J, Fischer L A, Schüller W, Schneider H, Fischer R X (2019) Natural mullites: chemical composition, crystal structure, and optical properties, European Journal of Mineralogy, 31, 353-367

Lenz F, Birkenstock J, Fischer L A, Schneider H, Fischer R X (2020) Mullite-2c – a natural polytype of mullite, European Journal of Mineralogy, 32, 235-249 [view file]