Alterite R180005

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Record 113 of 4039  


Name: Alterite
RRUFF ID: R180005
Ideal Chemistry: Zn2Fe3+4(SO4)4(C2O4)2(OH)4·17H2O
Locality: Near Marble Canyon, Coconino County, Arizona, USA
Source: Malcom Alter [view label]
Owner: RRUFF
Description: Isolated or aggregates of pale-yellow green prismatic crystals on petrified wood, associated with gypsum and alunogen. This is the type sample.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R180005.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Zn0.84Fe2+0.57Mg0.48Mn0.14)Σ2.03Fe3+4.00(S0.9925O4)4(C2O4)2(OH)4·17H2O
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: R180005
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R180005.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 16.7696(5)Å    b: 9.4020(2)Å    c: 25.3466(8)Å
alpha: 90°    beta: 108.252(1)°    gamma: 90°   Volume: 3795.28(18) Å3    Crystal System: monoclinic
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REFERENCES for Alterite

Hålenius U, Hatert F, Pasero M, Mills S J (2018) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 45. New minerals and nomenclature modifications approved in 2018, Mineralogical Magazine, 82, 1225-1232   [view file]