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 GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember 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

Sekaninaite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
(Fe,Mg)2Al3(AlSi5O18)
System:
Orthorhombic
Colour:
grayish-blue to ...
Hardness:
Name:
Named after Josef Sekanina (1901-1986) Czech mineralogist.
Dimorph of:

Classification of Sekaninaite

Approved
9.CJ.10

9 : SILICATES (Germanates)
C : Cyclosilicates
J : [Si6O18]12- 6-membered single rings (sechser-Einfachringe), without insular complex anions
61.2.1.2

61 : CYCLOSILICATES Six-Membered Rings
2 : Six-Membered Rings with Al substituted rings
16.19.3

16 : Silicates Containing Aluminum and other Metals
19 : Aluminosilicates of Fe and Mg
mindat.org URL:
http://www.mindat.org/min-3609.html
Please feel free to link to this page.

Type Occurrence of Sekaninaite

Year of Discovery:
1968

Physical Properties of Sekaninaite

Vitreous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
grayish-blue to bluish-violet
Hardness (Mohs):

Crystallography of Sekaninaite

Crystal System:
Orthorhombic
Cell Parameters:
a = 17.18Å, b = 9.82Å, c = 9.29Å
Ratio:
a:b:c = 1.749 : 1 : 0.946
Unit Cell Volume:
V 1,567.29 ų (Calculated from Unit Cell)

Optical Data of Sekaninaite

Type:
Biaxial (-)
RI values:
nα = 1.561 nβ = 1.572 nγ = 1.576
2V:
Measured: 66° , Calculated: 60°
Max Birefringence:
δ = 0.015
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak

Chemical Properties of Sekaninaite

Formula:
(Fe,Mg)2Al3(AlSi5O18)
Essential elements:
All elements listed in formula:
Common Impurities:
Ti,Mn,Ca,Na,K,H2O

Relationship of Sekaninaite to other Species

Series:
Forms a series with Cordierite (see here)
9.CJ.05BazziteBe3Sc2(Si6O18)
9.CJ.05BerylBe3Al2(Si6O18)
9.CJ.05IndialiteMg2Al3(AlSi5O18)
9.CJ.05StoppaniiteBe3Fe23+(Si6O18) · H2O
9.CJ.10Cordierite(Mg,Fe)2Al3(AlSi5O18)
9.CJ.15aCombeiteNa2Ca2(Si6O18)0.5
9.CJ.15bImandriteNa12Ca3Fe23+(Si6O18)2
9.CJ.15aKazakoviteNa6Mn2+Ti(Si6O18)
9.CJ.15cKoashviteNa6(Ca,Mn)(Ti,Fe)Si6O18 · H2O
9.CJ.15aLovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2O
9.CJ.15aTisinaliteNa3H3(Mn,Ca,Fe)TiSi6(O,OH)18 · 2H2O
9.CJ.15aZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)
9.CJ.15aLitvinskiteNa2(◻,Na,Mn)ZrSi6O12(OH,O)6
9.CJ.15aKapustiniteNa5(Na,Mn2+)<1Zr(H2Si6O18)
9.CJ.25BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2
9.CJ.25KatayamaliteKLi3Ca7Ti2(SiO3)12(OH)2
9.CJ.25AleksandroviteKCa7Sn2Li3Si12O36F2
9.CJ.30DioptaseCuSiO3 · H2O
9.CJ.35KostyleviteK2Zr(Si3O9) · H2O
9.CJ.40PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2O
9.CJ.45Gerenite-(Y)(Ca,Na)2(Y,REE)3Si6O18 · 2H2O
9.CJ.50OdintsoviteK2Na4Ca3Ti2Be4Si12O38
9.CJ.55MathewrogersitePb7FeAl3GeSi12O36(OH,H2O)6
9.CJ.60PezzottaiteCs(Be2Li)Al2(Si6O18)
16.19.1IndialiteMg2Al3(AlSi5O18)
16.19.2Cordierite(Mg,Fe)2Al3(AlSi5O18)
16.19.4Ferro-gedrite☐{Fe22+}{Fe32+Al2}(Al2Si6O22)(OH)2
16.19.5Staurolite(Fe2+,Mg,Zn)1.5-2Al9(SiO4)4O6(OH,O)2
16.19.6Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
16.19.7AmesiteMg2Al(AlSiO5)(OH)4
16.19.8Corundophilite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
16.19.9YoderiteMg(Al,Fe3+)3(SiO4)2O(OH)
16.19.10Delessite(Mg,Fe,Fe,Al)(Si,Al)4O10(O,OH)8
16.19.11Ferrocarpholite(Fe2+,Mg)Al2(Si2O6)(OH)4
16.19.12Magnesiocarpholite(Mg,Fe2+)Al2(Si2O6)(OH)4
16.19.13Chamosite(Fe2+,Mg)5Al(AlSi3O10)(OH)8
16.19.14Orthochamosite(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
16.19.15Berthierine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4
16.19.16Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4
16.19.17Clinochlore(Mg,Fe2+)5Al(AlSi3O10)(OH)8
16.19.18Gedrite☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
16.19.19Magnesiogedrite
16.19.20Diabantite(Mg,Fe,Al)6((Si,Al)4O10)(OH)8
16.19.21Sudoite(Mg,Fe2+)2Al3(AlSi3O10)(OH)8
16.19.22Vermiculite(Mg,Fe,Al)3((Al,Si)4O10)(OH)2 · 4H2O
16.19.23Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O

Other Names for Sekaninaite

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 Sekaninaite

Reference List:
Stanek, J. and Miskovsky, J. (1975) Sekaninaite, a new mineral of the cordierite series, from Dolni Bory, Czechoslovakia. Scr. Fac. Sci. Nat. Ujep Brun., Geol. 1(5), 21-30.

American Mineralogist (1977): 62: 395 (abstract).

Hochella, M.F., Jr., Brown, G.E., Jr.,
Ross, F.K., and Gibbs, G.V. (1979) High-temperature crystal chemistry of hydrous Mg- and Fe-cordierites. American Mineralogist: 64: 337-351.

Ryback, G., Nawaz, R., and Farley, E. (1988) Seventh supplementary list of British Isles minerals (Irish). Mineralogical Magazine: 52: 267-274.

Canadian Mineralogist (1997): 35: 167.

Yakubovich, O. V., Massa, V., Pekov, I. V., Gavrilenko, P. G. & Chukanov, N. V. (2004): Crystal structure of the Na-, Ca-, Be-cordierite and crystallochemical regularities in the cordierite-sekaninaite series. Crystallography Reports 49, 953-963.

Haefeker, U.; Kaindl, R.; Tropper, P.; Krüger, H.; Kahlenberg, V.; Orlova, M. (2014): Structural investigations of the two polymorphs of synthetic Fe-cordierite and Raman spectroscopy of hexagonal Fe-cordierite. Mineralogy and Petrology 108, 469-478.

Internet Links for Sekaninaite

Localities for Sekaninaite

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.
Australia
 
  • Tasmania
    • Scottsdale district
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Austria
 
  • Styria
    • Bad Radkersburg
      • Klöch
Taucher, J. & Hollerer, C. E. (1998): Minerale eines Si- und Al-reichen Xenoliths aus dem Basaltsteinbruch von Klöch, Nördlicher Bruch, (Steiermark, Österreich). Mitt. naturwiss. Ver. Steiermark 128, 21-42.
Canada
 
  • British Columbia
    • Revelstoke Mining Division
      • Revelstoke
DIXON,A., CEMPIREK, J. & GROAT, L.A. (2014) Mineralogy and geochemistry of pegmatites on Mount Begbie, British Columbia. Canadian Mineralogist 52, 129-164.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Ústí Region
      • Bílina (Bilin)
Žáček V, Skála R., Dvořák Z.: Spinelidy v pyrometamorfovaných horninách Mostecké pánve. Minerál, 2010, 18, 1, 21-31.
  • Moravia (Mähren; Maehren)
    • South Moravia Region
      • Tišnov
        • Drahonín
Škoda, R., Novák, M.: Akcesorické Nb-Ta-Ti minerály z pegmatitu v uranovém dole Drahonín, strážecké moldanubikum. Acta Musei Moraviae, Scientiae geologicae, 2004, roč. 89, s. 55 - 66.
    • Vysočina Region
      • Žďár nad Sázavou
Scr.Fac.Sci.Nat. Ujep Brun.,geol.I (1975) no. 5, 21-30
Staněk, J.: Asociace minerálů významnějších pegmatitových žil v Hatích u Dolních Borů na západní Moravě. Acta Musei Moraviae, Scientiae naturales, 1997, roč. 82, 3-19.
Staněk, J.: Asociace minerálů významnějších pegmatitových žil v Hatích u Dolních Borů na západní Moravě. Acta Musei Moraviae, Scientiae naturales, 1997, roč. 82, 3-19.
Staněk, J.: Asociace minerálů významnějších pegmatitových žil v Hatích u Dolních Borů na západní Moravě. Acta Musei Moraviae, Scientiae naturales, 1997, roč. 82, 3-19.
Staněk, J.: Asociace minerálů významnějších pegmatitových žil v Hatích u Dolních Borů na západní Moravě. Acta Musei Moraviae, Scientiae naturales, 1997, roč. 82, 3-19.
Finland
 
  • Southern Finland Region
    • Lappeenranta
Hytönen,K. (1999): Suomen Mineraalit. Geologian tutkimuskeskus. Erillisjulkaisu, Jyväskylä, 399 pp.
  • Southwestern Finland Region
    • Kemiö Island (Kimito Island)
Ilkka Mikkola
Germany
 
  • Bavaria
    • Upper Palatinate
      • Winklarn
Keck, E., Mücke, A., Kronz, A. & Stanĕk, J. (2010): Sekaninait aus einem Pegmatitgang im Serpentinit von Galgenberg bei Winklarn in der Oberpfalz. Der Aufschluss 61, 1-16 (in German).
Italy
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Oltrefiume
          • Mount Camoscio
Grill, E. (1935): I minerali del granito di Baveno, la fayalite. Periodico di Mineralogia, 129-133. - Gallitelli, P. (1936): Le miche del granito di Baveno. . Periodico di Mineralogia, 61-76 - Pagliani, G. (1948): Le Zeoliti del granito di Baveno. Periodico di Mineralogia, 175-188. - Ravagnani, D. (1974): I giacimenti uraniferi italiani - Gruppo Mineralogico Lombardo - Museo Civico di Storia Naturale di Milano, Ed., Milano, 188 pp. - min. Rec. 14 (3), 157-168 - Am. Min. 83, 1330-1334 (1998) - Am. Min. 84, 782-789 (1999). - Guastoni, A. & Pezzotta, F. (2004): Kristiansenite a Baveno, second ritrovamento Mondiale della specie. Rivista Mineralogica Italiana, 4/2004, 247-251. - Guastoni, A., Demartin, F., Pezzotta, F. (2004): Sekaninaite delle pegmatiti granitiche di Feriolo e Baveno (VB). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano, 145, 59-68. - Mineralogist americano (2005) 90, 1442-1452.
Guastoni, A., Demartin, F., Pezzotta, F. (2004): Sekaninaite delle pegmatiti granitiche di Feriolo e Baveno (VB). Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale in Milano, 145, 59-68.
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
Orlandi P., Pezzotta F.(1994): La sekaninaite dei filoni pegmatitici elbani. Atti Soc. Tosc. Sc. Nat,. Mem., 100, 85-91. and CanMin 38:1399-1408 (2000)
Orlandi, P., & Pezzotta, F. (1997). Minerali dell'Isola d'Elba. Edizioni Novecento Grafico, Bergamo, 249 pp.
Japan
 
  • Honshu Island
    • Chubu Region
      • Gifu Prefecture
        • Nakatsugawa City
          • Hirukawa
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
    • Kinki Region
      • Nara Prefecture
        • Yoshino-gun
          • Tenkawa village
            • Omine Mts
American Mineralogist 87: 160-170 (2002)
    • Tohoku Region
      • Fukushima Prefecture
Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
  • Kyushu Region
    • Fukuoka prefecture
      • Tagawa-gun
        • Kawasaki
Masutomi Museum specimens (Kyoto); Uehara, S., et al. (2014) Minerals from Kyushu and Yamaguchi. (Fukuoka Mineral Club, 355 pages)
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Strzegom-Sobótka Massif
      • Jawor District
Körber, T. & Szuzkiewicz, A. (2010): Striegau/Strzegom - eine Weltklasse-Fundstelle für Pegmatitmineralien. Lapis 35 (7-8), 35-56; 86.
Russia
 
  • Far-Eastern Region
    • Magadanskaya Oblast'
      • Kolyma River Basin
        • Ducat District
          • Omsukchan
Filimonova, L.G., and Trubkin, N.V. (2008): Geology of Ore Deposits 50(2), 135-144.
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Khibiny Massif
Ivanyuk, G.Y., Pakhomovsky, Y.A., Konopleva, N.G., Yakovenchuk, V.N., Men’shikov, Y.P., and Mikhailova, Y.A. (2007): Geology of Ore Deposits 49(7), 599-606.
Yakovenchuk, V.N., Ivanyuk, G.Y., Pakhomovsky, Y.A., Men’shikov, Y.P., Konopleva, N.G., and Korchak, Y.A. (2008): Geology of Ore Deposits 50(8), 732-745.
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Slovakia
 
  • Prešov Region
    • Prešov Co.
Košuth M., 2006: New type of cordierite assemblages from the Slanske vrchy Mts., Eastern Slovakia. Acta Miner.-Petrograph.,Abstract Series 5, Szeged, p.59
    • Vranov nad Topľou Co.
Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
Sweden
 
  • Värmland
    • Filipstad
Damman, A.H.(1989): Hydrothermal orthoamphibole-bearing assemblages from the Gåsborn area, West Bergslagen, central Sweden. American Mineralogist. 74, 573-585
Tajikistan
 
  • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
    • Zeravshan Range
      • Yagnob River
Sharygin, V.V., Sokol, E.V. and Belakovskii, D.I. (2009): Fayalite-sekaninaite paralava from the Ravat coal fire (central Tajikistan). Russian Geology and Geophysics 50, 703-721.
USA
 
  • Maine
    • Oxford Co.
      • Upper Cupsuptic
Anderson, 1991. Maine Mineral Localities, 2nd ed.
  • New Hampshire
    • Merrimack Co.
Harvard Mineralogical Museum, no. 118875
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 1993-2015, 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: May 25, 2015 18:49:53 Page generated: May 25, 2015 10:19:43