Microcline R050150

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Record 3 of 6  

Name: Microcline
RRUFF ID: R050150
Ideal Chemistry: KAlSi3O8
Locality: Crystal Peak area, Park/Teller Counties, Colorado, USA
Source: Dave Bunk Minerals
Owner: RRUFF
Description: Pale blue prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ feldspar (51) ]
Quick search: [ All Microcline samples (6) ]
CHEMISTRY 
RRUFF ID: R050150.2
Sample Description: Microprobe Fragment
Measured Chemistry: (K0.95Na0.05)Σ=1Al1.00Si3.00O8
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented and mounted onto a pin.
Pin ID: L00961
Orientation: Laser parallel to  b*  (0 1 0).     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050150
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050150.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050150.1
Sample Description: Powder
Cell Refinement Output: a: 8.5680(9)Å    b: 12.9556(8)Å    c: 7.2176(3)Å
alpha: 90.79(2)°    beta: 115.94(1)°    gamma: 87.63(2)°   Volume: 719.81(7)Å3    Crystal System: triclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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 Microcline

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]

Breithaupt J F A (1830) Ueber die Felsite und einige deue Specien ihres Geschlechts, Journal für Chemie und Physik, 60, 316-330   [view file]

Fleischer M (1958) New mineral names, American Mineralogist, 43, 1006-1008   [view file]

Finney J J, Bailey S W (1964) Crystal structure of an authigenic maximum microcline, Zeitschrift für Kristallographie, 119, 413-436   [view file]

Cherry M E, Trembath L T (1979) The disordering of alkali feldspars. I. Dry heating of a microcline perthite, The Canadian Mineralogist, 17, 527-535   [view file]

Ferguson R B (1979) Whence orthoclase and microcline? A crystallographer’s interpretation of potassium feldspar phase relations, The Canadian Mineralogist, 17, 515-525   [view file]

Eggleton R A, Buseck P R (1980) The orthoclase-microcline inversion: A high-resolution transmission electron microscope study and strain analysis, Contributions to Mineralogy and Petrology, 74, 123-133

Martin R F, Falster A U (1986) Proterozoic sanidine and microcline in pegmatite, Wausau complex, Wisconsin, The Canadian Mineralogist, 24, 709-716   [view file]

Blasi A, Blasi C P, Zanazzi P F (1987) A re-examination of the Pellotsalo microcline: mineralogical implications and genetic considerations, The Canadian Mineralogist, 25, 527-537   [view file]

Ferguson R B, Ball N A (1987) Quantitative phase-analysis of Rb-enriched maximum microcline and low albite by X-ray powder diffractometry, The Canadian Mineralogist, 25, 337-345   [view file]

Brown W L, Parsons I (1989) Alkali feldspars: ordering rates, phase transformations and behaviour diagrams for igneous rocks, Mineralogical Magazine, 53, 25-42   [view file]

Harris M J, Salje E K H, Guttler B K, Carpenter M A (1989) Structural states of natural potassium feldspar: An infrared spectroscopic study, Physics and Chemistry of Minerals, 16, 649-658

White J C, Barnett R L (1990) Microstructural signatures and glide twins in microcline, Hemlo, Ontario, The Canadian Mineralogist, 28, 757-769   [view file]

Mernagh T P (1991) Use of the laser Raman microprobe for discrimination amongst feldspar minerals, Journal of Raman Spectroscopy, 22, 453-457

Allan D R, Angel R J (1997) A high-pressure structural study of microcline (KAlSi3O8) to 7 GPa, European Journal of Mineralogy, 9, 263-275

Freeman J J, Wang A, Kuebler K E, Jolliff B L, Haskin L A (2008) Characterization of natural feldspars by Raman spectroscopy for future planetary exploration, The Canadian Mineralogist, 46, 1477-1500   [view file]

Parsons I (2010) Feldspars defined and described: a pair of posters published by the Mineralogical Society. Sources and supporting information, Mineralogical Magazine, 74, 529-551   [view file]