Howieite R060031



Name: Howieite
RRUFF ID: R060031
Ideal Chemistry: Na(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10
Locality: Laytonville quarry, near Longvale, California, USA
Source: University of Arizona Mineral Museum 5923 [view label]
Owner: RRUFF
Description: Black bladed crystals associated with quartz and siderite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Howieite samples (2) ]
CHEMISTRY 
RRUFF ID: R060031.2
Sample Description: Microprobe Fragment
Measured Chemistry: Na1.00(Fe3+4.41Mn2.68Fe2+3.89Al0.59Mg0.43)Σ=12(Si6.00O17)2(OH)10
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060031
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R060031.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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POWDER DIFFRACTION 
RRUFF ID: R060031.1
Sample Description: Powder profile, cell parameters are from single crystal
Cell Refinement Output: a: 10.154(3)Å    b: 9.751(4)Å    c: 9.577(2)Å
alpha: 91.25(1)°    beta: 70.71(1)°    gamma: 109.09(1)°   Volume: 841.9(7)Å3    Crystal System: triclinic
  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 Howieite

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]

Agrell S O, Bown M G, McKie D (1965) Deerite, howieite, and zussmanite, three new minerals from the Franciscan of the Laytonville District, Mendicino Co., California, American Mineralogist, 50, 278-278   [view file]

Fleischer M (1969) New mineral names, American Mineralogist, 54, 326-330   [view file]

Wenk H R (1974) Howieite, a new type of chain silicate, American Mineralogist, 59, 86-97   [view file]

Ghent E D, Stout M Z, Erdmer P (1990) Howieite in blueschists, Pinchi Lake, British Columbia, The Canadian Mineralogist, 28, 855-858   [view file]