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: Despujolsite RRUFF ID: R100208 Ideal Chemistry: Ca3Mn4+(SO4)2(OH)6·3H2O Locality: N'Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa Source: Marcus Origlieri Owner: RRUFF Description: Lime green transparent crystal fragment. Sample was used in Barkley et al (2011) Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Fleischerite (4) ] |
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: | R100208.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 8.5264(1)Å b: 8.5264(1)Å c: 10.7900(3)Å alpha: 90° beta: 90° gamma: 120° Volume: 679.33(2)Å3 Crystal System: hexagonal |
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REFERENCES for Despujolsite | |
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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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Gaudefroy C, Granger M M, Permingeat F, Protas J (1968) La despujolsite, une nouvelle espèce minérale, Bulletin de la Société Française de Minéralogie et de Cristallographie, 91, 43-50 [view file] |
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Fleischer M (1969) New mineral names, American Mineralogist, 54, 326-330 [view file] |
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Hawthorne F C (1994) Structural aspects of oxide and oxysalt crystals, Acta Crystallographica, B50, 481-510 |
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Barkley M C, Yang H, Evans S H, Downs R T, Origlieri M J (2011) Redetermination of despujolsite, Ca3Mn4+(SO4)2(OH)6·3H2O, Acta Crystallographica, E67, i47-i48 [view file] |
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Mereiter K, Walter F, Bojar H P (2023) Mallestigite, Pb3Sb(SO4)(AsO4)(OH)6·3H2O, from the type locality - new data, crystal structure, and structural relationships, Mineralogy and Petrology, 117, s00710-023-00837-y [link] [view file] |
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