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: Pickeringite RRUFF ID: R060108 Ideal Chemistry: MgAl2(SO4)4·22H2O Locality: Tucumcari, New Mexico, USA Source: University of Arizona Mineral Museum 4989 [view label] Owner: RRUFF Description: Colorless acicular aggregates Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
Mineral Group: [ Halotrichite (7) ] |
CHEMISTRY | ||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | ||||||||
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RRUFF ID: | R060108.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 6.180(1)Å b: 24.268(4)Å c: 21.217(4)Å alpha: 90° beta: 100.31(1)° gamma: 90° Volume: 3130.9(6)Å3 Crystal System: monoclinic |
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REFERENCES for Pickeringite | |
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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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Hayes A A (1844) Description and analysis of pickeringite, a native magnesian alum, American Journal of Science and Arts, 46, 360-362 [view file] |
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Schulze H (1889) Mineralogisches aus Tarapacá, Verhandlungen des Deutschen Wissenschaftlichen Vereines zu Santiago, 2, 49-60 [view file] |
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Larsen E S (1921) The microscopic determination of the nonopaque minerals, U.S. Geological Survey Bulletin, 671, 5-294 [view file] |
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Gordon S G (1942) Results of the Chilean mineralogical expedition of 1938. Part VII.The crystallography of alunogen, meta-alunogen and pickeringite, Notulae Naturae of The Academy of Natural Sciences of Philadelphia, 101, 1-9 |
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Quartieri S, Triscari M, Viani A (2000) Crystal structure of the hydrated sulphate pickeringite (MgAl2(SO4)4·22H2O): X-ray powder diffraction study, European Journal of Mineralogy, 12, 1131-1138 |
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Lane M D (2007) Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals, American Mineralogist, 92, 1-18 [view file] |
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Mauro D, Biagioni C, Pasero M, Skogby H (2019) Crystal-chemistry of sulfates From the Apuan Alps (Tuscany, Italy). III. Mg-rich sulfate assemblages from the Fornovolasco mining complex, Atti della Società Toscana di Scienze Naturali, Memorie, Serie A, 126, 33-44 |
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