Brassite R060042

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Record 555 of 4043  


Name: Brassite
RRUFF ID: R060042
Ideal Chemistry: Mg(AsO3OH)·4H2O
Locality: Bohemia Region, Svornost mine, Jachymov, Czech Republic
Source: University of Arizona Mineral Museum 16150 [view label]
Owner: RRUFF
Description: White powder associated with pharmacolite, R050537
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R060042.2
Sample Description: Microprobe Fragment
Measured Chemistry: Mg1.00(As1.00O3OH)ยท4H2O
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: R060042
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060042.1
Sample Description: Powder
Cell Refinement Output: a: 7.4796(6)Å    b: 10.8935(7)Å    c: 16.594(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1352.0(1)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Brassite

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]

Fontan F, Orliac M, Permingeat F, Pierrot R, Stahl R (1973) La brassite, MgHAsO4·4H2O, une nouvelle espèce minérale, Bulletin de la Société Française de Minéralogie et de Cristallographie, 96, 365-370   [view file]

Fleischer M, Mandarino J A (1975) New mineral names, American Mineralogist, 60, 945-947   [view file]

Protas J, Gindt R (1976) Structure cristalline de la brassite, MgHAsO4·(H2O), produit de déshydratation de la roesslérite, Acta Crystallographica, B32, 1460-1466

Frost R L, Bahfenne S, Čejka J, Sejkora J, Palmer S J, Škoda R (2010) Raman microscopy of haidingerite Ca(AsO3OH)·H2O and brassite Mg(AsO3OH)·4H2O, Journal of Raman Spectroscopy, 41, 690-693