Sinkankasite R050466
Name: Sinkankasite
RRUFF ID: R050466
Ideal Chemistry: Mn2+Al(PO3OH)2(OH)·6H2O
Locality: Barker mine, Keystone, South Dakota, USA
Source: University of Arizona Mineral Museum 12214 [view label]
Owner: RRUFF
Description: Cluster of acicular radiating colorless crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R050466.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn2+0.55Fe2+0.42Mg0.03)Σ=1Al1.00(P1.00O3OH)2(F0.65(OH)0.35)Σ=1·6H2O
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: R050466
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R050466.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.601(7)Å    b: 9.838(6)Å    c: 6.881(3)Å
alpha: 108.00(4)°    beta: 99.75(4)°    gamma: 98.93(5)°   Volume: 594.0(2)Å3    Crystal System: triclinic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Sinkankasite

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]

Peacor D R, Dunn P J, Roberts W L, Campbell T J, Simmons W B (1984) Sinkankasite, a new phosphate from the Barker pegmatite, South Dakota, American Mineralogist, 69, 380-382   [view file]

Burns P C, Hawthorne F C (1995) The crystal structure of sinkankasite, a complex heteropolyhedral sheet mineral, American Mineralogist, 80, 620-627   [view file]