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Name: Iowaite RRUFF ID: R060272 Ideal Chemistry: Mg6Fe3+2(OH)16Cl2·4H2O Locality: Palabora open pit, Phalaborwa, Transvaal, Republic of South Africa Source: Michael Scott S100180 [view label] Owner: RRUFF Description: Reddish-brown hexagonal tablet Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Hydrotalcite (22) ] | ||
Quick search: [ All Iowaite samples (2) ] |
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: | R060272.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 3.1104(9)Å b: 3.1104(9)Å c: 23.51(1)Å alpha: 90° beta: 90° gamma: 120° Volume: 196.96(7)Å3 Crystal System: hexagonal |
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REFERENCES for Iowaite | |
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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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Kohls D W, Rodda, J L (1967) Iowaite, a new hydrous magnesium hydroxide-ferric oxychloride from the Precambrian of Iowa, American Mineralogist, 52, 1261-1271 [view file] |
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Allmann R, Donnay J D H (1969) About the structure of iowaite, American Mineralogist, 54, 296-299 [view file] |
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Braithwaite R S W, Dunn P J, Pritchard R G, Paar W H (1994) Iowaite, a re-investigation, Mineralogical Magazine, 58, 79-85 [view file] |
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Jambor J L, Roberts A C, Vanko D A (1994) New mineral names, American Mineralogist, 79, 1009-1014 [view file] |
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Mills S J, Christy A G, Génin J -M R, Kameda T, Colombo F (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides, Mineralogical Magazine, 76, 1289-1336 [view file] |
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Zhitova E S, Chukanov N V, Pekov I V, Zolotarev A A, Shilovskikh V V, Bocharov V N (2023) Crystal chemistry of iowaite, Mg6FeIII2(OH)16Cl2 × 4H2O, a natural layered double hydroxide, Applied Clay Science, 243, 107070 |
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