Osumilite-(Mg) R141102

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Name: Osumilite-(Mg)
RRUFF ID: R141102
Ideal Chemistry: KMg2Al3(Al2Si10)O30
Locality: Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany
Source: Ch. and H. Schäfer [view label]
Owner: RRUFF
Description: Pale blue short prismatic or tabular hexagonal crystals, associated with acicular mullite, colorless sanidine, reddish rutile.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Milarite (18) ]
Quick search: [ All Osumilite-(Mg) samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R141102
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R141102.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.076(1)Å    b: 10.076(1)Å    c: 14.331(2)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1260.0(1)Å3    Crystal System: hexagonal
  File Type Information Close
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 Osumilite-(Mg)

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 (1956) Osumilite, a new silicate mineral, and its crystal structure, American Mineralogist, 41, 104-116   [view file]

Chinner G A, Dixon P D (1973) Irish osumilite, Mineralogical Magazine, 39, 189-192   [view file]

Fleischer M, Mandarino J A (1974) New mineral names, American Mineralogist, 59, 381-384   [view file]

Armbruster T, Oberhänsli R (1988) Crystal chemistry of double-ring silicates: structural, chemical, and optical variation in osumilites, American Mineralogist, 73, 585-594   [view file]

Balassone G, Mormone A, Rossi M, Bernardi A, Fisch M, Armbruster T, Malsy K, Berger A (2008) Crystal chemical and structural characterization of an Mg-rich osumilite from Vesuvius volcano (Italy), European Journal of Mineralogy, 20, 713-720

Chukanov N V, Pekov I V, Rastsvetaeva R K, Aksenov S M, Belakovskiy D I, Van K V, Schuller V, Ternes B (2012) Osumilite-(Mg): Validation as a mineral species and new data, Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 141, 27-36   [view file]

Williams P A, Hatert F, Pasero M, Mills S J (2012) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 12. New minerals and nomenclature modifications approved in 2012, Mineralogical Magazine, 76, 151-155   [view file]

Belakovskiy D (2013) New mineral names, American Mineralogist, 98, 2201-2204   [view file]

Chukanov N V, Pekov I V, Rastsvetaeva R K, Aksenov S M, Belakovskiy D I, Van K V, Schüller V, Ternes B (2013) Osumilite-(Mg): Validation as a mineral species and new data, Geology of Ore Deposits, 55, 587-593   [view file]

Gagné O C, Hawthorne F C (2016) Chemographic exploration of the milarite-type structure, The Canadian Mineralogist, 54, 1229-1247