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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: Howieite RRUFF ID: R060031 Ideal Chemistry: Na(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10 Locality: Laytonville quarry, near Longvale, California, USA Source: University of Arizona Mineral Museum 5923 [view label] Owner: RRUFF Description: Black bladed crystals associated with quartz and siderite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Quick search: [ All Howieite samples (2) ] |
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: | R060031.1 | ||||||
Sample Description: | Powder, cell parameters are from single crystal | ||||||
Cell Refinement Output: |
a: 10.154(3)Å b: 9.751(4)Å c: 9.577(2)Å alpha: 91.25(1)° beta: 70.71(1)° gamma: 109.09(1)° Volume: 841.9(7)Å3 Crystal System: triclinic |
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REFERENCES for Howieite | |
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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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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] |
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Fleischer M (1969) New mineral names, American Mineralogist, 54, 326-330 [view file] |
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Wenk H R (1974) Howieite, a new type of chain silicate, American Mineralogist, 59, 86-97 [view file] |
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Ghent E D, Stout M Z, Erdmer P (1990) Howieite in blueschists, Pinchi Lake, British Columbia, The Canadian Mineralogist, 28, 855-858 [view file] |
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