IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch 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 ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Eltyubyuite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ca12Fe3+10Si4O32Cl6
Colour:
Yellow to light brown and brown
Specific Gravity:
3.349 (Calculated)
Crystal System:
Isometric
Member of:
Name:
After the Balkarian village Eltyubyu, which is situated near the type locality.
Fe3+ analogue of wadalite. Isostructural with mayenite (chlormayenite).

Fe and Si are disordered over the tetrahedral T1 and T2 sites (Al-free material from Shadil-Khokh volcano).


Hide all sections | Show all sections

Classification of EltyubyuiteHide

Approved
Approval Year:
2011
9.AD.25

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination

Physical Properties of EltyubyuiteHide

Colour:
Yellow to light brown and brown
Comment:
in transmitted light under the optical microscope
Density:
3.349 g/cm3 (Calculated)

Optical Data of EltyubyuiteHide

Type:
Isotropic
RI values:
n = 1.85
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Very High

Chemical Properties of EltyubyuiteHide

Formula:
Ca12Fe3+10Si4O32Cl6

Crystallography of EltyubyuiteHide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
I4 3d
Cell Parameters:
a = 12.20(3) Å
Unit Cell V:
1815.85 ų
Z:
2
Comment:
Shadil-Khohk volcano material: a=12.2150(2), V=1822.55(6)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.981 (30)
3.261 (13)
3.050 (49)
2.728 (100)
2.490 (62)
2.227 (13)
1.692 (28)
1.630 (40)
Comments:
Calculated.

Type Occurrence of EltyubyuiteHide

General Appearance of Type Material:
Micrometre-sized inclusions in rondorfite.
Place of Conservation of Type Material:
Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, cataloge numbers 4027/1 and 4027/2
Geological Setting of Type Material:
In altered silicate-carbonate xenoliths in the diatreme facies of ignimbrites.
Associated Minerals at Type Locality:

Synonyms of EltyubyuiteHide

Relationship of Eltyubyuite to other SpeciesHide

Member of:
Other Members of this group:
AdrianiteCa12(Al4Mg3Si7)O32Cl6Iso. 4 3m : I4 3d
Wadalite(Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3Iso. 4 3m : I4 3d

Common AssociatesHide

CuspidineCa4(Si2O7)(F,OH)2
RondorfiteCa8Mg(SiO4)4Cl2
RusinoviteCa10(Si2O7)3Cl2

Related Minerals - Nickel-Strunz GroupingHide

9.AD.AdrianiteCa12(Al4Mg3Si7)O32Cl6Iso. 4 3m : I4 3d
9.AD.05LarniteCa2SiO4Mon.
9.AD.10Calcio-olivineCa2SiO4Orth. mmm (2/m 2/m 2/m)
9.AD.15MerwiniteCa3Mg(SiO4)2Mon. 2/m : P21/b
9.AD.20BredigiteCa7Mg(SiO4)4Orth.
9.AD.25AndraditeCa3Fe3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25AlmandineFe2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3Iso.
9.AD.25GoldmaniteCa3V3+2(SiO4)3Iso.
9.AD.25GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25HibschiteCa3Al2(SiO4)3-x(OH)4xIso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HydroandraditeCa3Fe3+2(SiO4)3-x(OH)4x
9.AD.25KatoiteCa3Al2(SiO4)3-x(OH)4x (x = 1.5-3)Iso.
9.AD.25KimzeyiteCa3(Zr,Ti)2((Si,Al,Fe3+)O4)3Iso.
9.AD.25KnorringiteMg3Cr2(SiO4)3Iso.
9.AD.25MajoriteMg3(Fe2+,Si,Al)2(SiO4)3Iso.
9.AD.25MorimotoiteCa3(Ti,Fe2+,Fe3+)2((Si,Fe3+)O4)3Iso.
9.AD.25PyropeMg3Al2(SiO4)3Iso.
9.AD.25SchorlomiteCa3(Ti,Fe3+)2((Si,Fe3+)O4)3Iso.
9.AD.25SpessartineMn2+3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25UvaroviteCa3Cr2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Wadalite(Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3Iso. 4 3m : I4 3d
9.AD.25HoltstamiteCa3(Al,Mn3+)2(SiO4)2(OH)4Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
9.AD.25KerimasiteCa3Zr2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25ToturiteCa3Sn2(SiO4)(Fe3+O4)2Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25Momoiite(Mn2+,Ca)3V3+2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.25HutcheoniteCa3Ti2(SiAl2)O12Iso. m3m (4/m 3 2/m) : Ia3d
9.AD.30CoffiniteU(SiO4) · nH2OTet.
9.AD.30HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30ThoriteTh(SiO4)Tet.
9.AD.30ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.30Stetindite-(Ce)Ce(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
9.AD.35HuttoniteThSiO4Mon.
9.AD.35Tombarthite-(Y)Y4(Si,H4)4O12-x(OH)4+2xMon.
9.AD.40EulytineBi4(SiO4)3Iso. 4 3m : I4 3d
9.AD.45ReiditeZrSiO4Tet. 4/m : I41/a

Other InformationHide

Notes:
Raman bands of the Shadil-Khokh volcano material [cm-1]: 959 & 901 (Si–O stretching); 783, 705, 450, 307 (FeO45- vibration)
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 EltyubyuiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Galuskin, E.V., Bailau, R.,Galuskina, I.O., Prusik, A.K., Gazeev, V.M.,Zadov, A.E., Pertsev, N.N., Jeżak, L.,Gurbanov, A.G. and Dubrovinsky, L. (2011) Eltyubyuite, IMA 2011-022. CNMNC Newsletter No. 10, October 2011: 2553.
Galuskin, E.V., Galuskina, I.O., Bailau, R., Prusik, K., Gazeev, V.M., Zadov, A.E., Pertsev, N.N., Jeżak, L., Gurbanov, A.G. and Dubrovinsky, L. (2013) Eltyubyuite, Ca12Fe3+10Si4O32Cl6 - the Fe3+ analogue of wadalite: a new mineral from the Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy: 25: 221-229.
Gfeller, F., Środek, D., Kusz, J., Dulski, M., Gazeev, V., Galuskina, I., Galuskin, E., Armbruster, T. (2015) Mayenite supergroup, part IV: Crystal structure and Raman investigation of Al-free eltyubyuite from the Shadil-Khokh volcano, Kel’ Plateau, Southern Ossetia, Russia. European Journal of Mineralogy: 27(1): 137-143.

Internet Links for EltyubyuiteHide

Localities for EltyubyuiteHide

ⓘ - 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.
Czech Republic
 
  • South Moravia Region
    • Oslavany
Hršelová, P., Cempírek, J., Houzar, S., Sejkora, J. (2013): S,F,Cl-rich mineral assemblages from burned spoil heaps in the Rosice-Oslavany coalfield, Czech Republic. Can. Mineral.: 51(1): 171-188
Germany
 
  • Rhineland-Palatinate
    • Ahrweiler
      • Mayen
        • Ettringen
Galuskin, E.V., Galuskina, I.O., Bailau, R., Prusik, K., Gazeev, V.M., Zadov, A.E., Pertsev, N.N., Jeżak, L., Gurbanov, A.G. and Dubrovinsky, L. (2013): Eltyubyuite, Ca12Fe3+10Si4O32Cl6 - the Fe3+ analogue of wadalite: a new mineral from the Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy, 25, 221-229.
Russia
 
  • Kabardino-Balkarian Republic
    • Baksan Valley
Galuskin, E.V., Bailau, R.,Galuskina, I.O., Prusik, A.K., Gazeev, V.M.,Zadov, A.E., Pertsev, N.N., Jez˙ ak, L.,Gurbanov, A.G. and Dubrovinsky, L. (2011): Eltyubyuite, IMA 2011-022. CNMNC Newsletter No. 10, October 2011, page 2553; Galuskin, E.V., Galuskina, I.O., Bailau, R., Prusik, K., Gazeev, V.M., Zadov, A.E., Pertsev, N.N., Jeżak, L., Gurbanov, A.G. and Dubrovinsky, L. (2013): Eltyubyuite, Ca12Fe3+10Si4O32Cl6 - the Fe3+ analogue of wadalite: a new mineral from the Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy, 25, 221-229.
        • Lakargi Mt.
Galuskina, I.O., Krüger, B., Galuskin, E.V. ,Armbruster, T., Gazeev, V.M., Włodyka, R., Dulski, M. & Dzierżanowski, P. (2015): Fluorchegemite, Ca7(SiO4)3F2, a new mineral from the edgrewitebearing endoskarn zone of an altered xenolith in ignimbrites from Upper Chegem Caldera, Northern Caucasus, Kabardina-balkaria, Russia; Occurrence, crystal structure, and new data on the mineral assemblages. Canadian Mineralogist. 53, 325-344.
South Ossetia
 
  • Greater Caucasus Mountain Range
    • Kel’ volcanic area
Galuskin, E. V., Galuskina, I. O., Bailau, R., Prusik, K., Gazeev, V. M., Zadov, A. E., ... & Dubrovinsky, L. (2013). Eltyubyuite, Ca12Fe3+ 10Si4O32Cl6–the Fe3+ analogue of wadalite: a new mineral from the Northern Caucasus, Kabardino-Balkaria, Russia. European Journal of Mineralogy, 25(2), 221-229.
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 1993-2018, 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: October 22, 2018 04:31:21 Page generated: October 20, 2018 17:15:47
Go to top of page