Macquartite R210020

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Record 296 of 500  


Name: Macquartite
RRUFF ID: R210020
Ideal Chemistry: Cu2Pb7(CrO4)4(SiO4)2(OH)2
Locality: Mammoth-Sth. Anthony M., Tiger, Pinal County, Arizona, USA
Source: Bob Jenkins
Owner: RRUFF
Description: Orange euhedral prismatic crystals in quartz vugs, associated with blue-green prismatic diaboleite, yellow-orange platy wulfenite, dark grey vauquelinite.
Status: The identification of this mineral has been confirmed by X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R210020
Wavelength:
Sample Description: Unoriented Raman on the primary 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: R210020
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 20.948(8) Å    b: 5.877(2) Å    c: 9.346(3)Å
alpha: 90°    beta: 91.93(2) °    gamma: 90°   Volume: 1150(1)Å3    Crystal System: monoclinic
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REFERENCES for Macquartite

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]

Williams S A, Duggan M (1980) La macquartite : un nouveau silico-chromate de Tiger, Arizona, Bulletin de Minéralogie, 103, 530-532   [view file]

Fleischer M, Cabri L J (1981) New mineral names, American Mineralogist, 66, 637-639   [view file]

Cooper M A, Hawthorne F C (1994) The crystal structure of wherryite, Pb7Cu2(SO4)4(SiO4)2(OH)2, a mixed sulfate–silicate with [[6]M(TO4)2φ] chains, The Canadian Mineralogist, 32, 373-380   [view file]

Jambor J L, Puziewicz J, Roberts A C (1995) New mineral names, American Mineralogist, 80, 404-409   [view file]

Frost R L (2004) Raman microscopy of selected chromate minerals, Journal of Raman Spectroscopy, 35, 153-158