Rruffite R070431

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Name: Rruffite
RRUFF ID: R070431
Ideal Chemistry: Ca2Cu(AsO4)2·2H2O
Locality: Maria Catalina mine, Pampa Larga Mining District, Tierra Amarilla, Copiapo Province, Chile
Source: Bob Jenkins
Owner: RRUFF
Description: Pale blue blocky crystals associated with green conichalcite, R070430, and pale blue granular barahonite-(Al). This is the type sample.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Roselite (18) ]
Quick search: [ All Rruffite samples (2) ]
CHEMISTRY 
RRUFF ID: R070431.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca2.00Cu1.00(As1.00O4)2 · 2H2O ; trace amounts of Fe, S, Al, Mg; H2O estimated by difference
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: R070431
Wavelength:
Sample Description: Unoriented Sample
Instrument settings: Thermo Almega XR 532nm @ 25% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070431.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.8618(2)Å    b: 12.7854(5)Å    c: 5.7025(2)Å
alpha: 90°    beta: 109.425(2)°    gamma: 90°   Volume: 403.05(3)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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 Rruffite

American Mineralogist Crystal Structure Database Record: [view record]

Yang H, Jenkins R A, Downs R T, Evans S H, Tait K T (2011) Rruffite, Ca2Cu(AsO4)2·2H2O, a new member of the roselite group, from Tierra Amarilla, Chile, The Canadian Mineralogist, 49, 877-884   [view file]