Mangani-obertiite R141096



Name: Mangani-obertiite
RRUFF ID: R141096
Ideal Chemistry: NaNa2(Mg3Mn3+Ti4+)Si8O22O2
Locality: Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany
Source: Ch. and H. Schäfer [view label]
Owner: RRUFF
Description: Acicular salmon-colored crystals, orthoclase, quartz, and allanite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ amphibole (107) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R141096
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R141096.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.770(4)Å    b: 17.898(7)Å    c: 5.281(1)Å
alpha: 90°    beta: 104.13(2)°    gamma: 90°   Volume: 895.5(3)Å3    Crystal System: monoclinic
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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 Mangani-obertiite

American Mineralogist Crystal Structure Database Record: [view record]

Hawthorne F C, Cooper M A, Grice J D, Ottolini L (2000) A new anhydrous amphibole from the Eifel region, Germany: Description and crystal structure of obertiite, NaNa2(Mg3FeTi)Si8O22O2, American Mineralogist, 85, 236-241   [view file]

Mandarino J A (2002) New minerals, The Canadian Mineralogist, 40, 1001-1020   [view file]

Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup, American Mineralogist, 97, 2031-2048   [view file]

Williams P A, Hatert F, Pasero M, Mills S J (2014) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 22. New minerals and nomenclature modifications approved in 2014, Mineralogical Magazine, 78, 1241-1248   [view file]