Rruffite R141211

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Record 7 of 18  


Name: Rruffite
RRUFF ID: R141211
Ideal Chemistry: Ca2Cu(AsO4)2·2H2O
Locality: Jote mine, Pampa Larga District, Tierra Amarilla, Copiapo Province, Chile
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Pale-blue to white euhedral crystals, associated with light-pinkish mansfieldite, green conichalcite, and blue lavedulan
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: R141211
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.98(Cu0.97Zn0.03)(As1.06O4)2ยท2H2O ; trace Mn, Mg
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: R141211
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: R141211.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.866(1)Å    b: 12.780(3)Å    c: 5.705(2)Å
alpha: 90°    beta: 109.5(1)°    gamma: 90°   Volume: 403.12(9)Å3    Crystal System: monoclinic
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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]