Donate now to keep mindat.org alive!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 Mindat
The most common minerals on earthMineral PhotographyThe Elements and their Minerals
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom 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 MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Umbite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
K2(Zr,Ti)Si3O9 · H2O
Colour:
Colourless, light yellow
Lustre:
Vitreous
Hardness:
Crystal System:
Orthorhombic
Name:
Named after the Lake Umb, 20km east of the occurrence.
The Zr analogue of kamenevite.


Hide all sections | Show all sections

Classification of UmbiteHide

Approved
Approval Year:
1982
9.DG.25

9 : SILICATES (Germanates)
D : Inosilicates
G : Inosilicates with 3-periodic single and multiple chains
59.2.1.1

59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated
14.10.16

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf

Physical Properties of UmbiteHide

Vitreous
Colour:
Colourless, light yellow
Hardness:
4½ on Mohs scale

Optical Data of UmbiteHide

Type:
Biaxial (-)
RI values:
nα = 1.596 nβ = 1.619 nγ = 1.630
2V:
Measured: 80° , Calculated: 68°
Max Birefringence:
δ = 0.034
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v weak

Chemical Properties of UmbiteHide

Formula:
K2(Zr,Ti)Si3O9 · H2O
IMA Formula:
K2ZrSi3O9 · H2O
Common Impurities:
Ti,Hf,Fe,Na,F

Crystallography of UmbiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 10.2 Å, b = 13.24 Å, c = 7.17 Å
Ratio:
a:b:c = 0.77 : 1 : 0.542
Unit Cell V:
968.29 ų (Calculated from Unit Cell)

Type Occurrence of UmbiteHide

Synonyms of UmbiteHide

Other Language Names for UmbiteHide

German:Umbit
Russian:Умбит
Spanish:Umbita

Relationship of Umbite to other SpeciesHide

Structurally related to group(s):

Common AssociatesHide

Associated Minerals Based on Photo Data:
Villiaumite1 photo of Umbite associated with Villiaumite on mindat.org.
Djerfisherite1 photo of Umbite associated with Djerfisherite on mindat.org.
Ilmenite1 photo of Umbite associated with Ilmenite on mindat.org.
Aegirine1 photo of Umbite associated with Aegirine on mindat.org.
Microcline1 photo of Umbite associated with Microcline on mindat.org.
Nepheline1 photo of Umbite associated with Nepheline on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DG.05BustamiteCaMn2+(Si2O6)Tric. 1 : P1
9.DG.05FerrobustamiteCaFe2+(Si2O6)Tric.
9.DG.05PectoliteNaCa2Si3O8(OH)Tric. 1 : P1
9.DG.05SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
9.DG.05WollastoniteCaSiO3Tric. 1 : P1
9.DG.05Wollastonite-1ACaSiO3Tric.
9.DG.07CascanditeCa(Sc,Fe3+)(HSi3O9)Tric.
9.DG.08Plombièrite[Ca4Si6O16(OH)2 · 2H2O]·(Ca·5H2O)Orth.
9.DG.10Clinotobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)Mon.
9.DG.10RiversideiteCa5(HSi3O9)2 · 2H2OOrth.
9.DG.10Tobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)Orth.
9.DG.15FoshagiteCa4(Si3O9)(OH)2Tric.
9.DG.20JenniteCa9(Si3O9)2(OH)8 · 8H2OTric.
9.DG.25ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
9.DG.30SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
9.DG.35XonotliteCa6(Si6O17)(OH)2Mon. 2/m
9.DG.40HillebranditeCa2(SiO3)(OH)2Orth. mmm (2/m 2/m 2/m) : Cmcm
9.DG.45ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.
9.DG.45ChivruaiiteCa4(Ti,Nb)5(Si6O17)2(OH,O)5 · 13-14H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
9.DG.50Haineaultite(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8 · 5H2OOrth. 2 2 2 : C2 2 2
9.DG.55EpididymiteNa2Be2Si6O15 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
9.DG.60EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
9.DG.65ElpiditeNa2ZrSi6O15 · 3H2OOrth.
9.DG.70Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric.
9.DG.70LitidioniteCuNaKSi4O10Tric.
9.DG.70ManaksiteKNaMnSi4O10Tric.
9.DG.75TinaksiteK2Na(Ca,Mn2+)2Ti[O|Si7O18(OH)]Tric.
9.DG.75TokkoiteK2Ca4[Si7O18(OH)](OH,F)Tric.
9.DG.75SenkevichiteCsKNaCa2Ti[O|Si7O18(OH)]Tric. 1 : P1
9.DG.80CanasiteK3Na3Ca5Si12O30(OH)4
9.DG.80FluorcanasiteK3Na3Ca5Si12O30F4 · H2OMon. m : Bm
9.DG.85MiseriteK1.5-x(Ca,Y,REE)5(Si6O15)(Si2O7)(OH,F)2 · yH2OTric.
9.DG.90FrankameniteK3Na3Ca5(Si12O30)(F,OH)4 · H2OTric.
9.DG.92Charoite(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4 · ~3H2OMon. 2/m : P21/m
9.DG.95YuksporiteK4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3Orth.
9.DG.97Eveslogite(Na,K,Ca,Sr,Ba)48 [(Ti,Nb,Mn,Fe2+)12Si48O144(OH)12](F,OH,Cl)14Mon. 2/m : P2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

59.2.1.2ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
59.2.1.3KostyleviteK2Zr(Si3O9) · H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.10.1ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.2HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.3ZektzeriteLiNaZrSi6O15Orth.
14.10.4ParakeldyshiteNa2ZrSi2O7Tric.
14.10.5VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
14.10.6Keldyshite(Na,H)2ZrSi2O7Tric. 1 : P1
14.10.7GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
14.10.8TerskiteNa4ZrSi6O16 · 2H2OOrth.
14.10.9ElpiditeNa2ZrSi6O15 · 3H2OOrth.
14.10.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
14.10.11PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2OMon. 2/m : P21/m
14.10.12KhibinskiteK2ZrSi2O7Mon.
14.10.13WadeiteK2Zr(Si3O9)Hex.
14.10.14DalyiteK2ZrSi6O15Tric.
14.10.15KostyleviteK2Zr(Si3O9) · H2OMon.
14.10.17ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
14.10.18GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
14.10.19GittinsiteCaZrSi2O7Mon.
14.10.20CalciocatapleiiteCaZr(Si3O9) · 2H2O
14.10.21CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
14.10.22ArmstrongiteCaZr[Si6O15] · 3H2OMon.
14.10.23Lemoynite(Na,K)2CaZr2Si10O26 · 5H2OMon. 2/m : B2/b
14.10.24CatapleiiteNa2Zr(Si3O9) · 2H2OMon.
14.10.25BaghdaditeCa3(Zr,Ti)(Si2O7)O2Mon.
14.10.26LovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2OMon.
14.10.27Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2Mon. 2/m : P21/b
14.10.28PenkvilksiteNa4Ti2Si8O22 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
14.10.29DarapiositeK(Na,◻,K)2(Li,Zn,Fe)3(Mn,Zr,Y)2[Si12O30]Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
14.10.30BaziriteBaZr(Si3O9)Hex.
14.10.31KomkoviteBaZr[Si3O9] · 3H2OTrig.
14.10.32ZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)Trig.
14.10.33Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

Other InformationHide

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 UmbiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1983): 112: 461-469.
American Mineralogist (1984): 69: 813-814.
European Journal of Solid State Inorganic Chemistry: 34: 381-390.

Internet Links for UmbiteHide

Localities for UmbiteHide

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.
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
        • Eveslogchorr Mt
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
        • Koashva Mt
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
Pekov, I.V., Chukanov, N.V., Kononkova, N.N., Zubkova, N.V., Rabadanov, M.K., and Pushcharovsky, D.Y. (2008): Geology of Ore Deposits 50(8), 749-754.; 33 IGC excursion No 47, July 22 – August 2, 2008 Stop 2-2
Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
[Clark, 1993 - "Hey's Mineral Index"]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Lapis 29(2), 41 (2004); Ferraris, G., Ivaldi, G., Pushcharovsky, D. Y., Zubkova, N. V., & Pekov, I. V. (2001). The crystal structure of delindeite, Ba2 {(Na, K,□) 3 (Ti, Fe)[Ti2 (O, OH) 4Si4O14](H2O, OH) 2}, a member of the mero-plesiotype bafertisite series. The Canadian Mineralogist, 39(5), 1307-1316
Pavel M. Kartashov data
      • Lovozero Massif
Takai, Y., Uehara, S., Inoo, T. (2011) Minerals from Khibiny, Kola, Russia. Chigaku Kenkyu, 60 (1), 41-46.
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: November 22, 2017 23:46:40 Page generated: November 19, 2017 15:43:37
Go to top of page