Mozartite R070265



Name: Mozartite
RRUFF ID: R070265
Ideal Chemistry: CaMn3+(SiO4)(OH)
Locality: Wessels mine, Kalahari Manganese Field, South Africa
Source: Michael Scott S106023 [view label]
Owner: RRUFF
Description: Red to very dark red short prismatic striated crystals associated with datolite, calcite, hausmannite, and pectolite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Adelite (17) ]
CHEMISTRY 
RRUFF ID: R070265.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.00Mn3+1.00Si1.00O4(OH); = dark phase, trace amounts of Fe and Al; OH estimated by charge balance : Mn2+Mn3+2O4 (light phase = hausmannite)
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070265
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070265.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.835(2)Å    b: 7.221(2)Å    c: 8.700(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 366.59(8)Å3    Crystal System: orthorhombic
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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 Mozartite

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]

Basso R, Lucchetti G, Zefiro L, Palenzona A (1993) Mozartite, CaMn(OH)SiO4, a new mineral species from the Cerchiara Mine, Northern Apennines, Italy, The Canadian Mineralogist, 31, 331-336   [view file]

Jambor J L, Grew E S (1994) New mineral names, American Mineralogist, 79, 387-391   [view file]

Nyfeler D, Hoffmann C, Armbruster T, Kunz M, Libowitzky E (1997) Orthorhombic Jahn-Teller distortion and Si-OH in mozartite, CaMn3+O[SiO3OH]: a single crystal X-ray, FTIR, and structure modeling study, American Mineralogist, 82, 841-848   [view file]