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Kerolite

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About KeroliteHide

Formula:
(Mg,Ni)3Si4O10(OH)2 · nH2O (n ~ 1)
Ni not essential
Colour:
white, brown, green, colorless
Lustre:
Waxy, Dull
Hardness:
2 - 2½
Crystal System:
Monoclinic
Originally reported from Ząbkowice (Frankenstein), Ząbkowice District, Lower Silesia (Dolnośląskie), Poland. Named by Breithaupt in 1823, after waxy appearance.

Detailed characterization of material from several localities by Brindley et al. (1977, 1979) implies that kerolite can be regarded as nanocrystalline (they estimate platelets 50 Å thick and 150 Å wide), stacking-disordered talc with a slightly enlarged layer spacing and significant water content,both as interlayer molecules and as hydroxyl groups strongly bound to the Mg silicate structure.

Kerolite is not listed as a valid species in the IMA list of minerals, but does not appear to have been formally discredited.


Classification of KeroliteHide

'Grandfathered' (first described prior to 1959)

Physical Properties of KeroliteHide

Waxy, Dull
Colour:
white, brown, green, colorless
Streak:
white
Hardness:
2 - 2½ on Mohs scale

Chemical Properties of KeroliteHide

Formula:
(Mg,Ni)3Si4O10(OH)2 · nH2O (n ~ 1)

Ni not essential

Crystallography of KeroliteHide

Crystal System:
Monoclinic
Cell Parameters:
b = 9.14 Å
Morphology:
Aggregates of submicron-scale platelets.
Comment:
Diffraction peaks are few and broad; d(001) = 9.6 Å

Synonyms of KeroliteHide

Other Language Names for KeroliteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Kerolite associated with PimeliteNi3Si4O10(OH)2·4H2O
3 photos of Kerolite associated with ChalcedonySiO2
2 photos of Kerolite associated with Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
1 photo of Kerolite associated with InneliteNa2CaBa4Ti3(Si2O7)2(SO4)2O4
1 photo of Kerolite associated with OrthoclaseK(AlSi3O8)
1 photo of Kerolite associated with EdingtoniteBa[Al2Si3O10] · 4H2O

Other InformationHide

IR Spectrum:
IR shows Si-O and lattice modes at 1000 cm-1 and below, 1620 cm-1 band from interlayer water, and multiple bands at 3600-3700 cm-1 due to O-H stretches
Thermal Behaviour:
Loses about 4% of mass as water vapor over 110-700oC; then abruptly loses another 5% (compare macrocrystalline talc, losing very little until 5% loss at 850 oC).
Notes:
Solubility and thermodynamic properties in Stoessel (1988)
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for KeroliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Brindley, G.W., Bish, D.L. and Wan, H.-M. (1977) Teh nature of kerolite, its relation to talc and stevensite. Mineralogical Magazine: 41: 443-452.
Brindley, G.W., Bish, D.L. and Wan, H.-M. (1979) Compositions, structures, and properties of nickel-containing minerals in the kerolite-pimelite series. American Mineralogist: 64: 615-625.
Stoessel, R.K. (1988) 25oC and 1 atm dissolution experiments of sepiolite and kerolite. Geochimica et Cosmochimica Acta: 52: 365-374

Internet Links for KeroliteHide

Localities for KeroliteHide

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.
Australia
 
  • Western Australia
    • Meekatharra Shire
Fetherston, J. M., Stocklmayer, S. M. and Stocklmayer, V. C. (2013): Gemstones of Western Australia. Mineral Resources Bulletin 25, Geological Survey of Western Australia, Perth, Australia, 306 pp.
Cameroon
 
  • East Region
    • Lomié
      • Lomié Ultramafic complex
Lambert, R.J., and Noble, A.C. (2008): Nkamouna Cobalt Project Feasibility Study. Pincock, Allen & Holt NI 43-101 Technical Report for Geovic Mining Corp.
Czech Republic
 
  • Moravian-Silesian Region
    • Nový Jičín District
      • Petřkovice
Jirásek, J., Matýsek, D. (2015): Příspěvek k mineralogii Petřkovické hory (Morava, Česká republika). Acta Mus. Morav., Sci. geol., 100, 1, 23–29. (with English summary).
  • Vysočina Region
    • Žďár nad Sázavou District
      • Věžná
Dosbaba, M., & Novák, M. (2012). Quartz replacement by “kerolite” in graphic quartz–feldspar intergrowths from the Věžná I pegmatite, Czech Republic: a complex desilication process related to episyenitization. The Canadian Mineralogist, 50(6), 1609-1622.
Dominican Republic
 
  • La Vega Province
    • Bonao
Villanova-de-Benavent, C., Proenza, J. A., Galí, S., Nieto, F., García-Casco, A., Roqué-Rosell, J., ... & Lewis, J. F. (2014). Mineralogy of Niphyllosilicates in the Falcondo Nilaterite deposit (Dominican Republic): A multiscale approach. In Proceedings ot the twenty first meeting of the International Mineralogical Association IMA (Vol. 298).
France
 
  • New Caledonia
    • Northern Province
      • Houaïlou Commune
Berger, V.I., Singer, D.A., Bliss, J.D., and Moring, B.C., 2011, Ni-Co laterite deposits of the world; database and grade and tonnage models: U.S. Geological Survey Open-File Report 2011-1058.
      • Poum commune
Berger, V.I., Singer, D.A., Bliss, J.D., and Moring, B.C., 2011, Ni-Co laterite deposits of the world; database and grade and tonnage models: U.S. Geological Survey Open-File Report 2011-1058.
      • Poya North Commune
Berger, V.I., Singer, D.A., Bliss, J.D., and Moring, B.C., 2011, Ni-Co laterite deposits of the world; database and grade and tonnage models: U.S. Geological Survey Open-File Report 2011-1058.
    • Southern Province
      • Yaté Commune
Wells, Martin A.; Ramanaidou, Erick R.; Verrall, Michael; Tessarolo, Christian (2009): Mineralogy and crystal chemistry of "garnierites" in the Goro lateritic nickel deposit, New Caledonia. European Journal of Mineralogy 21, 467-483. ; Wells, M. A., Ramanaidou, E. R., Verrall, M., & Tessarolo, C. (2009). Mineralogy and crystal chemistry of “garnierites” in the Goro lateritic nickel deposit, New Caledonia. European Journal of Mineralogy, 21(2), 467-483.; Berger, V.I., Singer, D.A., Bliss, J.D., and Moring, B.C., 2011, Ni-Co laterite deposits of the world; database and grade and tonnage models: U.S. Geological Survey Open-File Report 2011-1058. ; Wells, M.A., Ramanaidou, E.R., Verral, M., and Tessarolo, C., (2009) Mineralogy and crystal chemistry of “garnierites” in the Goro lateritic nickel deposit, New Caledonia. European Journal of Mineralogy, 21, p.467-483
Germany
 
  • Saxony
    • Zwickau
      • Glauchau
Paul, M. (1995): Vorkommen und Typisierung von Chlorit-Vermiculit-Mineralen (einschließlich „Schuchardtit“) aus den lateritischen Ni-Lagerstätten von Callenberg, Sachsen. Z. geol. Wiss., 23, 425-442 (in German).
Indonesia
 
  • South Sulawesi Province
    • Sorowako (Soroako)
Sufriadin, S. (2012). Thermal and Infrared Studies of Garnierite from the Soroako Nickeliferous Laterite Deposit, Sulawesi, Indonesia. Indonesian Journal of Geology, 7(2).
Sufriadin, S. (2012). Thermal and Infrared Studies of Garnierite from the Soroako Nickeliferous Laterite Deposit, Sulawesi, Indonesia. Indonesian Journal of Geology, 7(2).
Italy
 
  • Piedmont
    • Metropolitan City of Turin
      • Balangero
Prete, R. (1995): L'amiantifera di S. Vittore, Balangero, Torino. Rivista Mineralogica Italiana, 4/1995, 313-333.
  • Tuscany
    • Pisa Province
      • Castelnuovo Val di Cecina
Boschi, C.; Bedini, F.; Baneschi, I.; Rielli, A.; Baumgartner, L.; Perchiazzi, N.; Ulyanov, A.; Zanchetta, G.; Dini, A. (2020) Spontaneous Serpentine Carbonation Controlled by Underground Dynamic Microclimate at the Montecastelli Copper Mine, Italy. Minerals 10, 1.
Kazakhstan
 
  • Aktobe Region
    • Khromtau
Bespaev H.A., Uzhkenov B.S., Aliaskarov S.A., Egembaev K.M. (Almaty, 1999) Gemstones of Kazakhstan, Reference book. Volume 1. Deposits and occurrences of precious and semiprecious stones.
Kosovo
 
  • District of Pristina
    • Glavika
Buletini i Shkencave Gjeologjike 2012
Poland
 
  • Lower Silesian Voivodeship
    • Świdnica Co.
      • Gmina Strzegom
        • Strzegom
- Fiedler H. (1863) - Die mineralien Schlesiens mit Berücksichtigung der angrenzenden Länder. Breslau - Trippke P. ( 1878) - Beiträge zur Kenntnis der schlesischen Basalte und ihrer Mineralien. Zeitschrift der Deutschen Geologischen Gesellschaft Bd.30
    • Ząbkowice Śląskie Co.
      • Gmina Bardo
Traube, H. (1888) Die Minerale Schlesiens. J.U. Kern's Verlag, Breslau, 286 pages [in German].
      • Gmina Ciepłowody
Traube, H. (1888) Die Minerale Schlesiens. J.U. Kern's Verlag, Breslau, 286 pages [in German].
American Mineralogist (1978), 63, 795-796 ; Clays and Clay minerals (1982), 30, 321
www.geo.uw.edu.pl/ZASOBY/SZKLARY/szklary.htm.
www.geo.uw.edu.pl/ZASOBY/SZKLARY/szklary.htm.
Russia
 
  • Chelyabinsk Oblast
    • Magnitogorsk
      • Sakhara District (Sakharinskii)
        • Sakhara massif
Mikhailov, B.M. (2000): Lithology and Mineral Resources 35(4), 351-364.
    • Verkhny Ufaley
      • Ufaley District (Ufalei District)
Mikhailov, B.M. (2000): Lithology and Mineral Resources 35(4), 351-364.; Berger, V.I., Singer, D.A., Bliss, J.D., and Moring, B.C., 2011, Ni-Co laterite deposits of the world; database and grade and tonnage models: U.S. Geological Survey Open-File Report 2011-1058.
  • Orenburg Oblast
    • Orsk
      • Khalilovskii District
        • Khabarninskii massif
Mikhailov, B.M. (2000): Lithology and Mineral Resources 35(4), 351-364.
    • Svetlyi
      • Buruktal District
        • Buruktal massif
Mikhailov, B.M. (2000): Lithology and Mineral Resources 35(4), 351-364.
  • Sverdlovsk Oblast
    • Serov
      • Kola massif
Mikhailov, B.M. (2000): Lithology and Mineral Resources 35(4), 351-364.
South Korea
 
  • Gyeonggi Province
    • Gwancheon city (Kwancheon)
Song, Y., Moon, H. S., & Chon, H. T. (1995). New occurrence and characterization of Niserpentines in the Kwangcheon area, Korea. Clay Minerals, 30(3), 211-224.
Song, Y., Moon, H. S., & Chon, H. T. (1995). New occurrence and characterization of Niserpentines in the Kwangcheon area, Korea. Clay Minerals, 30(3), 211-224.
UK
 
  • England
    • Cornwall
      • St Keverne
Clay Minerals Bull. 32:241
USA
 
  • Hawaii
    • Kauai Co.
www.earthscape.org/r2/jg/jgvol108-508.html
Leveille, Richard J.; Fyfe, William S.; Longstaffe, Fred J. (2000): Unusual secondary Ca-Mg-carbonate-kerolite deposits in basaltic caves, Kauai, Hawaii. Journal of Geology 108, 613-621.
  • Maine
    • Knox Co.
      • Thomaston
King & Foord, 1994. Mineralogy of Maine, V.1.; King, V. and Foord, E. (1994) Mineralogy of Maine
      • Union
Rocks & Minerals (1955) 30:365-366
      • Warren
Morrill & Hinckley, 1959. Maine Mines & Minerals, Vol. 2
  • Massachusetts
    • Essex Co.
Yale Peabody Museum no. 3545
  • Nevada
    • Nye Co.
Clays and Clay Minerals, v. 30, p. 321-326
  • North Carolina
      • Cowee Valley
        • Ellijay Mining District
          • Franklin
            • Corundum Hill
F.A Genth and W.C Kerr (1881) Minerals and Mineral Localites of North Carolina,Geologic Survey,North Carolina
Jan H.Bernard and Jaroslav Hyrsl ,2004,Minerals and their Localities, pg 322 G.W Brindley,David L.Bish, and Hsien-Ming Wan.,1977,The Nature of Kerolite, its relation to Talc and Stevensite:Mineral Mag.,41,443-452
 
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