Howlite R110150

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Record 2 of 2  


Name: Howlite
RRUFF ID: R110150
Ideal Chemistry: Ca2SiB5O9(OH)5
Locality: Potash Corporation of Saskatchewan mine, Penobsquis, Kings County, New Brunswick, Canada
Source: Donald M Doell and Brian Roulston [view label]
Owner: RRUFF
Description: Colorless bladed crystals, extracted by dissolving the matrix of sylvite/halite, associated with strontioginorite R110149, volkovskite R110151, ruitenbergite R110152, congolite R110153, and hilgardite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Howlite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110150
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R110150.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.6110(7)Å    b: 9.361(1)Å    c: 12.822(1)Å
alpha: 90°    beta: 104.791(7)°    gamma: 90°   Volume: 999.3(2)Å3    Crystal System: monoclinic
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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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Howlite

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]

Dana J D, Brush G J (1868) 601. Howlite, in A System of Mineralogy, Fifth Edition John Wiley and Sons New York 598-598   [view file]

How H (1868) II. Contributions to the mineralogy of Nova Scotia. III. Borates and other minerals in anhydrite and gypsum. Silicoborocalcite, a new mineral, The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science, 35, 32-41   [view file]

Papezik V S, Fong C C K (1975) Howlite and ulexite from the carboniferous gypsum and anhydrite beds in western Newfoundland, The Canadian Mineralogist, 13, 370-376   [view file]

Papezik V S, Fong C C K (1976) Howlite and ulexite from carboniferous gypsum and anhydrite beds in western Newfoundland — addendum, The Canadian Mineralogist, 14, 393-393   [view file]

Griffen D T (1988) Howlite, Ca2SiB5O9(OH)5: Structure refinement and hydrogen bonding, American Mineralogist, 73, 1138-1141   [view file]

Grice J D, Gault R A, Van Velthuizen J (2005) Borate minerals of the Penobsquis and Millstream deposits, southern New Brunswick, Canada, The Canadian Mineralogist, 43, 1469-1487   [view file]