Atencioite R060893

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Record 1 of 9  


Name: Atencioite
RRUFF ID: R060893
Ideal Chemistry: Ca2Fe2+3Mg2Be4(PO4)6(OH)4·6H2O
Locality: Linópolis, Minas Gerais, Brazil
Source: Michael Scott S100875 [view label]
Owner: RRUFF
Description: Elongated, spherically radiating gray to pale yellow-green crystals, associated with prismatic orange ushkovite and dark green rockbridgeite.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ roscherite (9) ]
CHEMISTRY 
RRUFF ID: R060893.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.94(Fe2+2.35Mg0.40Mn0.20Al0.04)Mg2Be4(PO4)6(OH)4·6H2O ; Light phase. The dark phase is Ca1.95(Fe2+1.69Mg0.97Mn0.12Al0.09)Mg2Be4(PO4)6(OH)4·6H2O. The Be content is assumed.
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060893
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R060893.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.6656(8)Å    b: 9.865(2)Å    c: 9.907(1)Å
alpha: 73.605(7)°    beta: 85.209(7)°    gamma: 86.912(9)°   Volume: 622.5(1)Å3    Crystal System: triclinic
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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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Atencioite

American Mineralogist Crystal Structure Database Record: [view record]

Chukanov N V, St. Möckel R K, Rastsvetaeva A, Zadov A E (2006) The roscherite group and its new representative member atencioite, Ca2Fe2+◻Mg2Fe2+2Be4(PO4)6(OH)4·6H2O (in Russian), New Data on Minerals. Moscow, 41, 18-25   [view file]