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Name: Colemanite RRUFF ID: R050331 Ideal Chemistry: CaB3O4(OH)3·H2O Locality: Thompson mine, Death Valley, Inyo County, California, USA Source: California Institute of Technology W-20148 Owner: RRUFF Description: Colorless fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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Quick search: [ All Colemanite samples (3) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||
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POWDER DIFFRACTION | ||||||||
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RRUFF ID: | R050331.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 8.7253(6)Å b: 11.2550(5)Å c: 6.0959(3)Å alpha: 90.° beta: 110.145(6)° gamma: 90.° Volume: 562.02(4)Å3 Crystal System: monoclinic |
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REFERENCES for Colemanite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Hanks H G (1883) Report on the borax deposits of California and Nevada, Borax minerals and those containing boracic acid in small quantities, 3, 81-89 [view file] |
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Jackson A W (1884) On colemanite, a new borate of lime, American Journal of Science, 28, 447-448 [view file] |
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Meixner, H (1953) Einige Boratminerale (Colemanit und Tertschit, ein neues Mineral) aus der Türkei, Fortschritte der Mineralogie, 31, 39-42 |
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Burns P C, Hawthorne F C (1993) Hydrogen bonding in colemanite: an x-ray and structure-energy study, The Canadian Mineralogist, 31, 297-304 [view file] |
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Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970 [view file] |
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Lin J, Pan Y, Chen N, Mao M, Li R, Feng R (2011) Arsenic incorporation in colemanite from borate deposits: Data from ICP-MS, μ-SXRF, XAFS and EPR analyses, The Canadian Mineralogist, 49, 809-822 [view file] |
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