Metavariscite R050461

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Record 3 of 6  


Name: Metavariscite
RRUFF ID: R050461
Ideal Chemistry: Al(PO4)·2H2O
Locality: Utahlite Hill, Lucin, Utah, USA
Source: University of Arizona Mineral Museum 6532
Owner: RRUFF
Description: Group of pale green acicular bladed crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Phosphosiderite (6) ]
CHEMISTRY 
RRUFF ID: R050461.2
Sample Description: Microprobe Fragment
Measured Chemistry: Al1.00P1.00O4ยท2H2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050461
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R050461.1
Sample Description: Powder
Cell Refinement Output: a: 5.1829(1)Å    b: 9.5142(2)Å    c: 8.4522(2)Å
alpha: 90°    beta: 90.419(2)°    gamma: 90°   Volume: 416.78(1)Å3    Crystal System: monoclinic
  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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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Metavariscite

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]

Larsen E S, Schaller W T (1925) The identity of variscite and peganite and the dimorphous form, metavariscite, American Mineralogist, 10, 23-28   [view file]

Borensztajn J (1966) Structures cristallines de la métavariscite et de la métastrengite, Bulletin de la Société Française de Minéralogie et de Cristallographie, 89, 428-438   [view file]

International Mineralogical Association (1967) Commission on new minerals and mineral names, Mineralogical Magazine, 36, 131-136   [view file]

Kniep R, Mootz D (1973) Metavariscite - A redetermination of its crystal structure, Acta Crystallographica, B29, 2292-2294

International Mineralogical Association (1980) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 43, 1053-1055   [view file]

Tang X, Gentiletti M J, Abdessadek L (2001) Synthesis and crystal structure of indium arsenate and phosphate dihydrates with variscite and metavariscite structure types, Journal of Chemical Crystallography, 31, 45-50

Frost R L, Weier M L, Erickson K L, Carmody O, Mills S J (2004) Raman spectroscopy of phosphates of the variscite mineral group, Journal of Raman Spectroscopy, 35, 1047-1055   [link]

Taxer K, Bartl H (2004) On the dimorphy between the variscite and clinovariscite group: refined finestructural relationship of strengite and clinostrengite, Fe(PO4)·2H2O, Crystal Research and Technology, 39, 1080-1088

Calas G, Galoisy L, Kiratisin A (2005) The origin of the green color of variscite, American Mineralogist, 90, 984-990   [view file]