Iowaite

Iowaite

Palabora mine, Loolekop, Phalaborwa, Limpopo, South Africa

Iowaite, etc.

MKD5 nickel deposit, Mount Keith, Wiluna Shire, Western Australia, Australia

Iowaite

Palabora mine, Loolekop, Phalaborwa, Limpopo, South Africa

Iowaite

Palabora mine, Loolekop, Phalaborwa, Limpopo, South Africa

Iowaite, etc.

MKD5 nickel deposit, Mount Keith, Wiluna Shire, Western Australia, Australia

Iowaite

Palabora mine, Loolekop, Phalaborwa, Limpopo, South Africa

Iowaite

Palabora mine, Loolekop, Phalaborwa, Limpopo, South Africa

Iowaite, etc.

MKD5 nickel deposit, Mount Keith, Wiluna Shire, Western Australia, Australia

About IowaiteHide

Flag of Iowa, USA

Formula:

Mg₆Fe³⁺₂(OH)₁₆Cl₂ · 4H₂O

Colour:

bluish green

Lustre:

Greasy

Hardness:

1½

Specific Gravity:

2.11

Crystal System:

Trigonal

Member of:

Hydrotalcite Group > Hydrotalcite Supergroup

Name:

For the state of the type locality.

Type Locality:

ⓘ Matlock drill core, Sioux Co., Iowa, USA

Hydrotalcite Group. Chemically similar to kuliginite, which however is anhydrous.

Bluish green, becoming pale green with a rusty red tint on exposure to air (alteration to pyroaurite).

Classification of IowaiteHide

Physical Properties of IowaiteHide

Optical Data of IowaiteHide

Type:

Uniaxial (-)

RI values:

n_ω = 1.543 - 1.561 n_ε = 1.533 - 1.543

Max Birefringence:

δ = 0.010 - 0.018

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Low

Chemical Properties of IowaiteHide

Crystallography of IowaiteHide

Geological EnvironmentHide

Type Occurrence of IowaiteHide

Synonyms of IowaiteHide

Other Language Names for IowaiteHide

Varieties of IowaiteHide

Relationship of Iowaite to other SpeciesHide

Common AssociatesHide

Related Minerals - Nickel-Strunz GroupingHide

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

Other InformationHide

References for IowaiteHide

Internet Links for IowaiteHide

Localities for IowaiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.

Atlantic Ocean
ⓘ Iberia Abyssal Plain	Plas, A. A. (1997). Petrologic and stable isotope constraints on fluid-rock interaction, serpentinization and alternation of oceanic ultramafic rocks (Doctoral dissertation, ETH Zurich).
Walvis Ridge ⓘ ODP Site 1272	Moll, M., Paulick, H., Suhr, G., & Bach, W. (2007). Data report: microprobe analyses of primary phases (olivine, pyroxene, and spinel) and alteration products (serpentine, iowaite, talc, magnetite, and sulfides) in Holes 1268A, 1272A, and 1274A. In Proceedings of the Ocean Drilling Program, Scientific Results (Vol. 209, pp. 1-13). College Station, TX: Ocean Drilling Program.
Australia
Western Australia Kalgoorlie-Boulder Shire Kanowna Goldfield ⓘ Black Swan Ni Mine (Silver Swan; Cygnet)	Barnes, S. J., Wells, M. A., & Verrall, M. R. (2009). Effects of magmatic processes, serpentinization, and talc-carbonate alteration on sulfide mineralogy and ore textures in the Black Swan disseminated nickel sulfide deposit, Yilgarn Craton. Economic Geology, 104(4), 539-562.
Wiluna Shire Lake Way Station ⓘ Honeymoon Well complex	Disseminated and Massive Nickel Sulphide Deposits,Honeymoon Well Complex, Western Australia; M Gole and M Woodhouse, Journal of the Virtual Explorer; ISSN 1441-8142 Vol 1 paper 2, 2000
ⓘ West Jordan deposit	Grguric, B.A., Seat, Z., Karpuzov, A.A., Simonov, O.N. (2013) The West Jordan deposit, a newly-discovered Type 2 dunite-hosted nickel sulphide system in the northern Agnew-Wiluna Belt, Western Australia. Ore Geology Reviews, Vol. 51, pg. 79-92
ⓘ Mount Keith	Wilson, S.A., Harrison, A.L., Dipple, G.M., Power, I.M., Barker, S.L.L., Ulrich, M.K., Fallon, S.J., Raudsepp, M., Southam, G. (2014) Offsetting of CO2 emissions by air capture in mine tailings at the Mount Keith Nickel Mine, Western Australia: Rates, controls and prospects for carbon neutral mining. International Journal of Greenhouse Gas Control 25 121-140
ⓘ MKD5 nickel deposit	[AmMin 87:182]
Canada
Manitoba Thompson Nickel Belt ⓘ South Manasan ultramafic intrusion	Franchuk, Anatoliy, Peter C. Lightfoot, and Daniel J. Kontak. "High tenor Ni–PGE sulfide mineralization in the South Manasan ultramafic intrusion, Paleoproterozoic Thompson Nickel Belt, Manitoba, Canada." Ore Geology Reviews 72 (2016): 434-458.
Ontario Kenora District Ring of Fire BMA527861 Area ⓘ Black Label deposit	Jordan E. Laarman (2014) A Detailed Metallogenic Study of the McFaulds Lake Chromite Deposits, Northern Ontario, The University of Western Ontario,London, Ontario, PhD Thesis
ⓘ Black Thor chromite deposit	Jordan E. Laarman (2014) A Detailed Metallogenic Study of the McFaulds Lake Chromite Deposits, Northern Ontario, The University of Western Ontario,London, Ontario, PhD Thesis
Québec Estrie Les Sources RCM Asbestos ⓘ Jeffrey Mine ("Johns-Manville Mine")	HORVÁTH, L., PFENNINGER-HORVÁTH, E. and SPERTINI, F. (2013) The Jeffrey mine, Asbestos, Québec, Canada: A mineralogical review. Mineralogical Record, 44, 375-417.
China
Inner Mongolia Xilingol League (Xilinguole Prefecture) West Ujimqin Banner (Xiwuzhumuqin Co.) ⓘ Hegenshan Ophiolite	Zhu, H., Jingsui, Y., Robinson, P. T., Yongwang, Z., Fahui, X., Zhao, L., ... & Wei, X. (2015). The discovery of diamonds in chromitites of the Hegenshan ophiolite, Inner Mongolia, China. Acta Geologica Sinica‐English Edition, 89(2), 341-350.
France
New Caledonia Southern Province Mont-Dore Commune ⓘ Prony Bay	Monnin, C., Chavagnac, V., Boulart, C., Ménez, B., Gérard, M., Gérard, E., ... & Guentas-Dombrowski, L. (2014). Fluid chemistry of the low temperature hyperalkaline hydrothermal system of Prony Bay (New Caledonia). Biogeosciences, 11(20), 5687-5706.
Oman
Al Batinah North Governorate ⓘ Mamy Nova	Chavagnac, V., Ceuleneer, G., Monnin, C., Lansac, B., Hoareau, G., & Boulart, C. (2013). Mineralogical assemblages forming at hyperalkaline warm springs hosted on ultramafic rocks: a case study of Oman and Ligurian ophiolites. Geochemistry, Geophysics, Geosystems, 14(7), 2474-2495.
Pacific Ocean
East Pacific Rise ⓘ Hess Deep	Plas, A. A. (1997). Petrologic and stable isotope constraints on fluid-rock interaction, serpentinization and alternation of oceanic ultramafic rocks (Doctoral dissertation, ETH Zurich).
Mariana forearc ⓘ DSDP 778	Heling, D., A. Schwarz (1992) Iowaite in Serpentinite Muds at Sites 778, 779, 780 and 784: a possible cause for the low chlorinity of pore waters: Proceedings of the Ocean Drilling Program, Scientific Results: 125.
ⓘ Pacman Seamount	Wheat, C.G., Fryer, P., Fisher, A.T., Hulme, S., Jannasch, H., Mottl, M.J., Becker, K. (2008) Borehole observations of fluid flow from South Chamorro Seamount, an active serpentinite mud volcano in the Mariana forearc. Earth and Planetary Science Letters, 267(3-4), 401-409.
Poland
Silesian Voivodeship Wodzisław Co. Radlin ⓘ Marcel mine	Łukasz Kruszewski (2012) Unique chloride assemblage of exhalative origin from burning coal-mining dump in Radlin (Rybnik Coal Area, S Poland). Mineralogical Society of Poland Special Papers 40
Zawiercie Co. ⓘ Zawiercie skarn	Koszowska E., Salata D. 2001: Minerals of the hydrotalcite group in metasomatically altered carbonate rocks from Zawiercie, S Poland. Mineralogia Polonica, vol. 32, no 1, 69-84
Russia
Altai Republic Ust-Koksinsky District ⓘ Kaznakhtinskii massif	Igor V. Pekov data
Irkutsk Oblast Zheleznogorsk (Korshunikha) ⓘ Korshunovskoye iron deposit (Korzunovskoe iron deposit; Korshunovskiy mine; Korshunovskiy open pit)	Mazurov, M.P., Grishina, S.N., Istomin, V.E., and Titov, A.T. (2007): Geology of Ore Deposits 49(4), 271-284.; Mazurov et al (2007) Geology of Ore Deposits, 49, 271–284.
Krasnoyarsk Krai Taymyrskiy Autonomous Okrug Taimyr Peninsula Putoran Plateau Noril'sk Talnakh Cu-Ni Deposit ⓘ Komsomol'skii Mine (Komsomolsk Mine; Komsomol'sky Mine; Komsomolsky Mine)	Handbook of Mineralogy; Evseev, A. A. (1973) Siberia's Crystals and Symmetry in the Distribution of Occurences of Minerals. World of Stone 1:11-20
Sakha Republic (Yakutia) Mirninsky District Daldyn ⓘ Udachnaya open-pit mine (Udachnaya-Vostochnaya pipe; Udachnaya pipe)	Pavel M. Kartashov data; Mikhailenko, D.S., Korsakov, A.V., Rashchenko, S.V., Seryotkin, Y.V., Belakovskiy, D.I., Golovin, A.V. (2018): Kuliginite, a new hydroxychloride mineral from the Udachnaya kimberlite pipe, Yakutia: Implications for low-temperature hydrothermal alteration of the kimberlites. American Mineralogist, 103: 1435–1444; Rezvukhin, D.I.; Alifirova, T.A.; Golovin, A.V.; Korsakov, A.V. (2020) A Plethora of Epigenetic Minerals Reveals a Multistage Metasomatic Overprint of a Mantle Orthopyroxenite from the Udachnaya Kimberlite. Minerals 10, 264.
South Africa
Limpopo Phalaborwa Loolekop ⓘ Palabora mine (Foscor open pit; PMC mine)	Minerals of South Africa; Braithwaite, R. S. W., Dunn, P. J., Pritchard, R. G., & Parr, W. H. (1994). Iowaite, a reinvestigation. Mineralogical Magazine, 58(390), 77-86.; Gliddon, J. (1996) Minerals of the Palabora open pit. British Micromount Society 43:2-7
Spain
Andalusia Almería Fiñana ⓘ Cerro del Almirez	Evans, B. W., & Cowan, D. S. (2012). A Melt origin for spinifex-textured metaperidotite in the Cerro del Almirez massif, southern Spain. American Journal of Science, 312(9), 967-993.
USA (TL)
Iowa Sioux Co. ⓘ Matlock drill core (TL)	American Mineralogist: 52: 1261-1271.
Uzbekistan
Tashkent Piskent District ⓘ Olmaliq	Handbook of Mineralogy