Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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Name: Colemanite RRUFF ID: R050102 Ideal Chemistry: CaB3O4(OH)3·H2O Locality: Kramer deposit, Boron, Kern County, California, USA Source: Rock Currier Owner: RRUFF Description: Colorless prismatic to tabular crystals 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: | R050102.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 8.7231(8)Å b: 11.2564(6)Å c: 6.0973(4)Å alpha: 90° beta: 110.137(6)° gamma: 90° Volume: 562.10(5)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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