Howieite R061009
Name: Howieite
RRUFF ID: R061009
Ideal Chemistry: Na(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10
Locality: Quarry on north side of U.S. 101, 5 miles south of Laytonville, Mendocino County, California, USA
Source: Michael Scott S101047 [view label]
Owner: RRUFF
Description: Dark brown bladed crystals in plumose aggregates
Status: The identification of this mineral has been made only by X-ray diffraction.
Quick search: [ All Howieite samples (2) ]
CHEMISTRY 
RRUFF ID: R061009.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R061009
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Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R061009.1
Sample Description: Powder
Cell Refinement Output: a: 10.206(4)Å    b: 9.7782(9)Å    c: 9.658(6)Å
alpha: 92.13(4)°    beta: 70.17(6)°    gamma: 109.39(1)°   Volume: 852.2(5)Å3    Crystal System: triclinic
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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.

  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 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]