Olmiite R050144

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Record 2786 of 4216  


Name: Olmiite
RRUFF ID: R050144
Ideal Chemistry: CaMn[SiO3(OH)](OH)
Locality: N'Chwaning II mine, Kuruman, South Africa
Source: Rock Currier
Owner: RRUFF
Description: Tan colored prismatic crystals associated with fibrous bultfonteinite, R050088
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Olmiite samples (2) ]
CHEMISTRY 
RRUFF ID: R050144.2
Sample Description: Microprobe fragment
Measured Chemistry: Ca1.00(Mn0.98Ca0.02)(Si1.00O3OH)(OH)
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050144
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 20% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050144.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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RRUFF ID: R050144.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R050144.1
Sample Description: Powder
Cell Refinement Output: a: 9.234(1)Å    b: 9.068(3)Å    c: 10.361(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 867.6(0)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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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Olmiite

American Mineralogist Crystal Structure Database Record: [view record]

Bonazzi P, Bindi L, Medenbach O, Pagano R, Lampronti G I, Menchetti S (2007) Olmiite, CaMn[SiO3(OH)](OH), the Mn-dominant analogue of poldervaartite, a new mineral species from Kalahari manganese fields (Republic of South Africa), Mineralogical Magazine, 71, 193-201   [view file]