Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Volkonskoite

This page is currently not sponsored. Click here to sponsor this page.
Pyotr Mikhailovich Volkonsky
Formula:
Ca0.3(Cr,Mg)2(Si,Al)4O10(OH)2 · 4H2O
System:
Monoclinic
Colour:
Blue-green, dark green, ...
Lustre:
Waxy, Dull
Hardness:
1 - 2
Member of:
Name:
Named in 1831 by August Alexander Kämmerer in honor of Prince Petr Mikhailovich Volkonskoy (1776 - 1852), Minister of the Russian Court, Russia.

Classification of Volkonskoite

Approved, 'Grandfathered' (first described prior to 1959)
9.EC.40

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
71.3.1a.4

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
3 : Sheets of 6-membered rings with 2:1 clays
16.15.6

16 : Silicates Containing Aluminum and other Metals
15 : Aluminosilicates of V and Cr

Physical Properties of Volkonskoite

Waxy, Dull
Diaphaneity (Transparency):
Translucent
Colour:
Blue-green, dark green, grass-green
Hardness (Mohs):
1 - 2
Density:
2.11 - 2.36 g/cm3 (Measured)    

Optical Data of Volkonskoite

Type:
Biaxial (-)
RI values:
nα = 1.551 - 1.560 nβ = 1.564 nγ = 1.569
2V:
Calculated: 62° to 84°
Max Birefringence:
δ = 0.018
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r > v strong

Chemical Properties of Volkonskoite

IMA Formula:
Ca0.3(Cr,Mg)2(Si,Al)4O10(OH)2 · 4H2O
Elements listed in formula:
Common Impurities:
Ti,Mn,Na,K,C,P

Crystallography of Volkonskoite

Crystal System:
Monoclinic
Morphology:
Fine scaly to fibrous, massive.

Occurrences of Volkonskoite

Type Occurrence of Volkonskoite

Place of Conservation of Type Material:
Smithsonian R4820, 16308

Relationship of Volkonskoite to other Species

Member of:
Other Members of Group:
AliettiteCa0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O
Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O
HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2
Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
PimeliteNi3Si4O10(OH)2·4H2O
Saliotite(Li,Na)Al3(AlSi3O10)(OH)5
SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
Stevensite(Ca,Na)xMg3-x(Si4O10)(OH)2
SwineforditeLi(Al,Li,Mg)4((Si,Al)4O10)2(OH,F)4 · nH2O
Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2O
ZincsiliteZn3(Si4O10)(OH)2 · 4H2O
Common Associates:
9.EC.05MinnesotaiteFe32+Si4O10(OH)2
9.EC.05TalcMg3Si4O10(OH)2
9.EC.05WillemseiteNi3Si4O10(OH)2
9.EC.10FerripyrophylliteFe3+Si2O5(OH)
9.EC.10PyrophylliteAl2Si4O10(OH)2
9.EC.15BoromuscoviteKAl2(Si3B)O10(OH)2
9.EC.15CeladoniteKMgFe3+Si4O10(OH)2
9.EC.15ChernykhiteBaV23+(Si2Al2)O10(OH)2
9.EC.15MontdoriteKFe2+1.5Mn2+0.5Mg0.5Si4O10(F,OH)2
9.EC.15MuscoviteKAl2(Si3Al)O10(OH)2
9.EC.15NanpingiteCsAl2(Si3Al)O10(OH)2
9.EC.15ParagoniteNaAl2(Si3Al)O10(OH)2
9.EC.15RoscoeliteKV23+(Si3Al)O10(OH)2
9.EC.15Tobelite(NH4)Al2(Si3Al)O10(OH)2
9.EC.15AluminoceladoniteKMgAlSi4O10(OH)2
9.EC.15ChromphylliteKCr2(Si3Al)O10(OH)2
9.EC.15FerroaluminoceladoniteKFe2+AlSi4O10(OH)2
9.EC.15FerroceladoniteKFe2+Fe3+Si4O10(OH)2
9.EC.15ChromceladoniteKMgCrSi4O10(OH)2
9.EC.15TainioliteKLiMg2Si4O10F2
9.EC.15GanteriteBa0.5(Na,K)0.5Al2(Si2.5Al1.5)O10(OH)2
9.EC.20AnniteKFe32+AlSi3O10(OH)2
9.EC.20EphesiteNaLiAl2(Si2Al2)O10(OH)2
9.EC.20HendricksiteKZn3(Si3Al)O10(OH)2
9.EC.20MasutomiliteKLiAlMn2+(Si3Al)O10(F,OH)2
9.EC.20NorrishiteKLiMn23+Si4O12
9.EC.20PhlogopiteKMg3(Si3Al)O10(OH)2
9.EC.20PolylithioniteKLi2AlSi4O10F2
9.EC.20PreiswerkiteNaAlMg2(Si2Al2)O10(OH)2
9.EC.20SiderophylliteKFe22+Al(Si2Al2)O10(OH)2
9.EC.20TetraferriphlogopiteKMg3(Si3Fe3+)O10(OH)2
9.EC.20FluorotetraferriphlogopiteKMg3Fe3+Si3O10F2
9.EC.20Wonesite(Na,K,◻)(Mg,Fe,Al)6(Si,Al)8O20(OH,F)4
9.EC.20EastoniteKAlMg2(Si2Al2)O10(OH)2
9.EC.20TetraferrianniteKFe32+(Si3Fe3+)O10(OH)2
9.EC.20TrilithioniteKLi1.5Al1.5(Si3Al)O10F2
9.EC.20FluoranniteKFe32+(Si3Al)O10F2
9.EC.20ShirokshiniteK(Mg2Na)Si4O10F2
9.EC.20ShirozuliteKMn32+(Si3Al)O10(OH)2
9.EC.20SokolovaiteCsLi2AlSi4O10F2
9.EC.20AspidoliteNaMg3(Si3Al)O10(OH)2
9.EC.20FluorophlogopiteKMg3(Si3Al)O10F2
9.EC.20UM2004-49-SiO:AlCsFHKLi(Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2
9.EC.20Suhailite(NH4)Fe32+(Si3Al)O10(OH)2
9.EC.20YangzhumingiteKMg2.5Si4O10F2
9.EC.20OrloviteKLi2TiSi4O10(OF)
9.EC.20OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2
9.EC.25Brammallite(Na,H3O)(Al,Mg,Fe)2((Si,Al)4O10)(OH)2
9.EC.30MargariteCaAl2(Si2Al2)O10(OH)2
9.EC.35AnanditeBaFe32+(Si3Fe3+)O10S(OH)
9.EC.35BityiteCaLiAl2(Si2BeAl)O10(OH)2
9.EC.35ClintoniteCaAlMg2(SiAl3)O10(OH)2
9.EC.35KinoshitaliteBaMg3(Si2Al2)O10(OH)2
9.EC.35FerrokinoshitaliteBaFe32+(Si2Al2)O10(OH)2
9.EC.35OxykinoshitaliteBaMg2Ti4+O2(Si2Al2)O10
9.EC.35FluorokinoshitaliteBaMg3Al2Si2O10F2
9.EC.40Beidellite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2 · nH2O
9.EC.40KurumsakiteZn8Al8V25+Si5O35 · 27H2O
9.EC.40Montmorillonite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2 · nH2O
9.EC.40NontroniteNa0.3Fe23+(Si,Al)4O10(OH)2 · nH2O
9.EC.40Yakhontovite(Ca,Na,K)0.2(Cu,Fe,Mg)2Si4O10(OH)2 · 3H2O
9.EC.45HectoriteNa0.3(Mg,Li)3Si4O10(F,OH)2 · nH2O
9.EC.45Saponite(Ca,Na)0.3(Mg,Fe2+)3(Si,Al)4O10(OH)2 · 4H2O
9.EC.45SauconiteNa0.3Zn3(Si,Al)4O10(OH)2 · 4H2O
9.EC.45SpadaiteMgSiO2(OH)2 · H2O(?)
9.EC.45Stevensite(Ca,Na)xMg3-ySi4O10(OH)2
9.EC.45SwineforditeCa0.2(Li,Al,Mg,Fe)3(Si,Al)4O10(OH,F)2 · nH2O
9.EC.45ZincsiliteZn3Si4O10(OH)2 · 4H2O
9.EC.45FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3(Si,Al)4O10(OH)2 · 4H2O
9.EC.50VermiculiteMg0.7(Mg,Fe3+,Al)6(Si,Al)8O20(OH)4 · 8H2O
9.EC.55Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8
9.EC.55Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
9.EC.55ClinochloreMg5Al(AlSi3O10)(OH)8
9.EC.55Cookeite(Al,Li)3Al2(Si,Al)4O10(OH)8
9.EC.55FranklinfurnaceiteCa2Mn32+Mn3+Fe3+Zn2Si2O10(OH)8
9.EC.55GonyeriteMn52+Fe3+(Si3Fe3+O10)(OH)8
9.EC.55Nimite(Ni,Mg,Al)6(Si,Al)4O10(OH)8
9.EC.55Orthochamosite(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
9.EC.55Pennantite(Mn2+,Al)6(Si,Al)4O10(OH)8
9.EC.55SudoiteMg2Al3(Si3Al)O10(OH)8
9.EC.55DonbassiteAl2(Si3Al)O10(OH)2 · Al2.33(OH)6
9.EC.55GlagoleviteNa(Mg,Al)6(Si3Al)O10(OH,O)8
9.EC.55BorocookeiteLiAl4(Si3B)O10(OH)8
9.EC.60AliettiteCa0.2Mg6(Si,Al)8O20(OH)4 · 4H2O
9.EC.60Corrensite(Ca,Na,K)1-x(Mg,Fe,Al)9(Si,Al)8O20(OH)10 · nH2O
9.EC.60DozyiteMg7Al2(Si4Al2)O15(OH)12
9.EC.60HydrobiotiteK(Mg,Fe2+)6(Si,Al)8O20(OH)4 · nH2O
9.EC.60Karpinskite(Mg,Ni)2Si2O5(OH)2(?)
9.EC.60KulkeiteNa0.3Mg8Al(Si,Al)8O20(OH)10
9.EC.60LunijianlaiteLi0.7Al6.2(Si7Al)20(OH,O)10
9.EC.60Rectorite(Na,Ca)Al4(Si,Al)8O20(OH)4 · 2H2O
9.EC.60Saliotite(Li,Na)Al3(Si3Al)O10(OH)5
9.EC.60TosuditeNa0.5(Al,Mg)6(Si,Al)8O18(OH)12 · 5H2O
9.EC.60Brinrobertsite(Na,K,Ca)0.3(Al,Fe,Mg)4(Si,Al)8O20(OH)4 · 3.5H2O
9.EC.65MacaulayiteFe243+Si4O43(OH)2
9.EC.70BurckhardtitePb2(Fe3+Te6+)[AlSi3O8]O6
9.EC.75FerrisuritePb2.4Fe23+Si4O10(CO3)1.7(OH)3 · nH2O
9.EC.75Surite(Pb,Ca)3Al2(Si,Al)4O10(CO3)2(OH)3 · 0.3H2O
9.EC.75NiksergieviteBa2Al3(Si,Al)4O10(CO3)(OH)6 · nH2O
9.EC.80KegelitePb4Al2Si4O10(SO4)(CO3)2(OH)4
16.15.1RoscoeliteKV23+(Si3Al)O10(OH)2
16.15.2MukhiniteCa2Al2V3+(Si2O7)(SiO4)O(OH)
16.15.3ChernykhiteBaV23+(Si2Al2)O10(OH)2
16.15.4RilanditeCr63+SiO11 · 5H2O(?)
16.15.5ShuiskiteCa2MgCr2(SiO4)(Si2O7)(OH)2 · H2O

Other Names for Volkonskoite

Name in Other Languages:

Other Information

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 Volkonskoite

Reference List:
Foord, E.F., Starkey, H.C., Taggart, J.E., Shawe, D.R. (1987) Reassessment of the volkonskoite-chromian smectite nomenclature problem. Clays and Clay Minerals: 35: 139-149.

Jambor, J.L., Bladh, K.W., Ercit, T.S., Grice, J.D., Grew, E.S. (1988) New mineral names. American Mineralogist:73: 927-935.

Jambor, J.L., Grew, E.S., Roberts, A.C. (1997) New mineral names. American Mineralogist: 82: 820-823.

Internet Links for Volkonskoite

mindat.org URL:
https://www.mindat.org/min-4201.html
Please feel free to link to this page.

Localities for Volkonskoite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Bolivia
 
  • Cochabamba Department
    • Ayopaya Province
      • Independencia
        • Palca river alluvials
PXRD by John Attard, 27-07-2012. Abundant Cr confirmed by arc spectroscopy.
Brazil
 
  • Bahia
F. Zaccarini, G. Garuti and R.F. Martin (2006): Exotic accessory minerals in layered chromitites of the Campo Formoso complex (Brazil). Geologica Acta 4, 461-469. [http://www.geologica-acta.com/pdf/vol0404a04.pdf]
China
 
  • Henan Province
    • Nanyang Prefecture
      • Wancheng District
Jianhong Zhang, Zhaohui Li, and Xuefang Wang (1989): Acta Petrologica et Mineralogica 8(1)
Germany
 
  • Saxony
    • Dresden
      • Wurgwitz
http://www.senckenberg.de/files/content/forschung/publikationen/geologicasaxonica/52-53/05_dietze.pdf
Israel
 
  • Negev
Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
Italy
 
  • Tuscany
    • Livorno Province
      • Livorno
Sartori F. (1967) - La wolchonskoite di Castiglioncello (Livorno). Periodico di Mineralogia – Roma pp. 103-124.
      • Rosignano Marittimo
Antonio Borrelli collection
    • Pisa Province
      • Pomarance
Orlandi P., (2005). "Geositi minerari e mineralogici della provincia di Pisa" in La geologia della provincia di Pisa. Cartografia, geositi e banche dati, pp. 55-280, Provincia di Pisa, 2005
Jordan
 
  • Amman
Pitty, A. F., & Alexander, W. R. (2010). A natural analogue study of cement buffered, hyperalkaline groundwaters and their interaction with a repository host rock IV: an examination of the Khushaym Matruk (central Jordan) and Maqarin (northern Jordan) sites. NDA-RWMD Technical Report, NDA, Moors Row, UK.
Dill, H. G., Kus, J., Abed, A. M., Sachsenhofer, R. F., & Abul Khair, H. (2009). Diagenetic and epigenetic alteration of Cretaceous to Paleogene organic-rich sedimentary successions in northwestern Jordan, typical of the western margin of the Arabian Plate. GeoArabia, 14(2), 101-140.
  • Irbid
Khoury, H. N., Salameh, E., & Abdul-Jaber, Q. (1985). Characteristics of an unusual highly alkaline water from the Maqarin area, northern Jordan. Journal of Hydrology, 81(1), 79-91.
Norway
 
  • Aust-Agder
    • Froland
Nilssen, B. & Raade, G. (1973): Contribution to the mineralogy of Norway, No 54. On Chromian Montmorillonite (Volkonskoite) in Norway. Norsk Geologisk Tidsskrift 54: 329-331
  • Vestfold
    • Larvik
      • Langesundsfjorden
Nilssen, B. & Raade, G. (1973): Contribution to the mineralogy of Norway, No 54. On Chromian Montmorillonite (Volkonskoite) in Norway. Norsk Geologisk Tidsskrift 54: 329-331
Palestine
 
  • West Bank
    • Hatrurim formation
Gunnar Farber specimens
Ella V. Sokol, Olga L. Gaskova, Svetlana N. Kokh, Olga A. Kozmenko, Yuri V. Seryotkin, Yevgeny Vapnik, and Michail N. Murashko (2011): Chromatite and its Cr3+- and Cr6+-bearing precursor minerals from the Nabi Musa Mottled Zone complex, Judean Desert. American Mineralogist, 96, 659-674.
Russia
 
  • Northern Region
    • Arkhangel'skaja Oblast'
      • Plisetsk area
        • Severoonezhsk
Gorshkov A.I., Demina V.I., Mokhov A.V., Zhukov V.V., Korotkin V.N., Ziborova T.A. (1991) New γ-hydroxide of chromium in bauxite ores of Severoonezhskoe deposit, - Doklady AN SSSR, v. 320, №6, p.1455-1458 (in Rus.)
  • Urals Region
    • Middle Urals
      • Permskaya Oblast'
        • Okhansk
          • Kama River
            • Efimyata Village
MINERALOGICAL MAGAZINE, JUNE 1984, VOL. 48, PP. 297-298; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
USA
 
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
[MinRec 24:421]
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 415; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.
  • California
Eckel, Edwin Butt, R.G. Yates & A.E. Granger (1941), Quicksilver deposits in San Luis Obispo County and southwestern Monterey County, California: USGS Bulletin 922-R: 538; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 441.
  • Utah
    • Grand Co.
UGMS Bull 117 Minerals and Mineral Localities of Utah
    • San Juan Co.
UGMS Bull 117 Minerals and Mineral Localities of Utah
  • Wyoming
Jay Ellis Ransom,1974,Gems and Minerals of America
      • Deer Creek District
Jay Ellis Ransom,1974,Gems and Minerals of America
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 27, 2017 06:23:58 Page generated: April 24, 2017 18:52:00
Go to top of page