Mixite R070503

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Record 6 of 10  


Name: Mixite
RRUFF ID: R070503
Ideal Chemistry: Cu6Bi(AsO4)3(OH)6·3H2O
Locality: Hilarion mine, near Kamariza, Lavrion District, Greece
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Radiating aggregates of bluish-green acicular crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Mixite (10) ]
CHEMISTRY 
RRUFF ID: R070503.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Cu5.73Ca0.22Zn0.06Fe0.01)Σ=6.02(Bi0.52Ca0.48)Σ=1.00(AsO4)2.86(OH)6·3.58H2O
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: R070503
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070503.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.635(5)Å    b: 13.635(5)Å    c: 5.918(1)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 953.0(4)Å3    Crystal System: hexagonal
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Calculated diffraction file.

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

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REFERENCES for Mixite

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]

Schrauf A (1880) Ueber Arsenate von Joachimsthal 1. Mixit, ein neues Kupferwismuthhydroarsenat, Zeitschrift für Kristallographie, 4, 277-285   [view file]

Kokkoros P (1953) Röntgensymmetrie von Mixit, Tschermaks Mineralogische und Petrographische Mitteilungen, 3, 56-60

Walenta K (1960) Chlorotil und Mixit, Neues Jahrbuch für Mineralogie, Monatshefte, 1960, 223-236

Dietrich J E, Orliac M, Permingeat F (1969) L’agardite, une nouvelle espèce minérale, et le problème du chlorotile, Bulletin de la Société Française de Minéralogie et de Cristallographie, 92, 420-434   [view file]

Mereiter K, Preisinger A (1986) Kristallstrukturdaten der wismutminerale atelestit, mixit und pucherit, Oesterreische Akademie der Wissenschaften, Mathematich-Naturwissenschaftliche Klasse, Sitzungsberichte, 123, 79-81

Olmi F, Sabelli C, Ferroni R T (1991) A contribution to the crystal chemistry of mixite group minerals from Sardinia (Italy), Neues Jahrbuch für Mineralogie, 1991, 487-499

Sejkora J, Šrein V (1995) A contribution to crystal chemistry of mixite from localities in the Czech Massif, Zprávy o geologických výzkumech v roce 1995, 1995, 153-155

Miletich R, Zemann J, Nowak M (1997) Reversible hydration in synthetic mixite, BiCu6(OH)6(AsO4)3 • nH2O (n≤3): hydration kinetics and crystal chemistry, Physics and Chemistry of Minerals, 24, 411-422

Frost R L, Erickson K L, Weier M L, McKinnon A R, Williams P A, Leverett P (2005) Thermal decomposition of agardites (REE) - relationship between dehydroxylation temperature and electronegativity, Thermochimica Acta, 427, 167-170

Frost R L, Weier M, Martens W, Duong L (2005) Identification of mixite minerals - an SEM and Raman spectroscopic analysis, Mineralogical Magazine, 69, 169-177   [view file]

Frost R L, Weier M, Martens W N (2005) Raman microscopy of synthetic goudeyite (YCu6(AsO4)2(OH)6·3H2O), Spectrochimica Acta Part A, 63, 685-689   [link]

Frost R L, Weier M, Martens W (2006) Using Raman spectroscopy to identify mixite minerals, Spectrochimica Acta Part A, 63, 60-65   [link]

Cejka J, Sejkora J, Plášil J, Keeffe E C, Bahfenne S, Palmer S J, Frost R L (2010) A Raman and infrared spectroscopic study of Ca2+ dominant members of the mixite group from the Czech Republic, Journal of Raman Spectroscopy, 42, 1154-1159

Göb S, Wenzel T, Bau M, Jacob D E, Loges A, Markl G (2011) The redistribution of rare-earth elements in secondary minerals of hydrothermal veins, Schwarzwald, southwestern Germany, The Canadian Mineralogist, 49, 1305-1333   [view file]