|
|
Name: Howlite RRUFF ID: R050588 Ideal Chemistry: Ca2SiB5O9(OH)5 Locality: Lake Bras d'Or, Iona, Cape Breton Island, Victoria County, Nova Scotia, Canada Source: Rock Currier [view label] Owner: RRUFF Description: Group of tan colored tabular to prismatic single crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
Quick search: [ All Howlite samples (2) ] |
CHEMISTRY | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
|
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | ||||||||
---|---|---|---|---|---|---|---|---|
RRUFF ID: | R050588.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 12.803(1)Å b: 9.346(1)Å c: 8.6064(7)Å alpha: 90.° beta: 104.836(6)° gamma: 90.° Volume: 995.5(1)Å3 Crystal System: monoclinic |
|||||||
|
|
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] |
|
|