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

Taramellite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx
System:
Orthorhombic
Colour:
Red-brown
Hardness:
Name:
Named after Torquato Taramelli (1845-1922), professor of geology, University of Pavia (Italia).

Classification of Taramellite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
9.CE.20

9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
64.3.1.1

64 : CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups
3 : Rings with Other Anions and Insular Silicate Groups: 4-membered rings with [Si2O7] dimers
17.5.34

17 : Silicates Containing other Anions
5 : Borosilicates
mindat.org URL:
http://www.mindat.org/min-3888.html
Please feel free to link to this page.

First Recorded Occurrence of Taramellite

Year of Discovery:
1908

Physical Properties of Taramellite

Colour:
Red-brown
Hardness (Mohs):

Crystallography of Taramellite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pmmn
Cell Parameters:
a = 12.05Å, b = 13.9Å, c = 7.12Å
Ratio:
a:b:c = 0.867 : 1 : 0.512
Unit Cell Volume:
V 1,192.56 ų (Calculated from Unit Cell)
Z:
4

Optical Data of Taramellite

Type:
Biaxial (+)
RI values:
nα = 1.770 nβ = 1.774 nγ = 1.830
2V:
Measured: 77° , Calculated: 32°
Max Birefringence:
δ = 0.060
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v distinct

Chemical Properties of Taramellite

Formula:
Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx
Essential elements:
All elements listed in formula:
Common Impurities:
Mn,Pb,Ca,Na,K,H2O

Relationship of Taramellite to other Species

Series:
Forms a series with Titantaramellite (see here)
9.CE.05PapagoiteCaCu[H3AlSi2O9]
9.CE.10VerplanckiteBa2(Mn,Fe,Ti)Si2O6(O,OH,Cl,F)2 · 3H2O or near
9.CE.15BaotiteBa4(Ti,Nb)8Si4O28Cl
9.CE.20NagashimaliteBa4(V,Ti)4B2Si8O27(O,OH)2Cl
9.CE.20TitantaramelliteBa4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2Clx
9.CE.25Bario-orthojoaquinite(Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2O
9.CE.25Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
9.CE.25Joaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2O
9.CE.25Orthojoaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O
9.CE.25StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2O
9.CE.25Strontio-orthojoaquinite(Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2O
9.CE.25Orthojoaquinite-(La)NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2O
9.CE.30eLabuntsovite-MnNa4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O
9.CE.30aNenadkevichite(Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2O
9.CE.30dLemmleinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O
9.CE.30aKorobitsyniteNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2O
9.CE.30cKuzmenkoite-MnK2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2O
9.CE.30bVuoriyarvite-KK2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2O
9.CE.30bTsepinite-NaNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
9.CE.30cKarupmøllerite-Ca(Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O
9.CE.30eLabuntsovite-MgNa4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O
9.CE.30eLabuntsovite-FeNa4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O
9.CE.30dLemmleinite-BaNa2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O
9.CE.30cGjerdingenite-FeK2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30hNeskevaaraite-FeK3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2O
9.CE.30bTsepinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
9.CE.30bParatsepinite-BaBa4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O
9.CE.30bTsepinite-CaCa(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
9.CE.30hAlsakharovite-ZnNaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O
9.CE.30cGjerdingenite-MnK2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30cLepkhenelmite-Zn(Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O
9.CE.30bTsepinite-SrSr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
9.CE.30bParatsepinite-Na(Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8·nH2O n ~ 8
9.CE.30fParalabuntsovite-MgNa8K8Mg8Ti16(Si4O12)8(O,OH)16· nH2O
9.CE.30cGjerdingenite-CaK2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30cGjerdingenite-NaK2Na2(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O
9.CE.30hGutkovaite-MnK2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O
9.CE.30cKuzmenkoite-ZnK2Zn(Ti,Nb)4(Si4O12)2(OH,O)4·6-8H2O
9.CE.30gOrganovaite-MnK2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2O
9.CE.30gOrganovaite-ZnK2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30gParakuzmenkoite-Fe(K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O
9.CE.30cBurovaite-Ca(Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2O
9.CE.45Komarovite(Ca,Mn)Nb2[O3|Si2O7] · 3.5H2O
9.CE.45Natrokomarovite(Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2O
17.5.1ManandoniteLi2Al4(Si2AlB)O10(OH)8
17.5.2ReedmergneriteNa[BSi3O8]
17.5.3SearlesiteNa(H2BSi2O7)
17.5.4OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
17.5.5ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.6KalborsiteK6Al4BSi6O20(OH)4Cl
17.5.7BoromuscoviteKAl2(BSi3O10)(OH)2
17.5.8PoudretteiteKNa2B3Si12O30
17.5.9LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.10DatoliteCa(HBSiO5)
17.5.11DanburiteCaB2Si2O8
17.5.12HowliteCa2B5SiO9(OH)5
17.5.13BakeriteCa4(H5B5Si3O20)
17.5.14OyeliteCa10Si8B2O29 · 12.5H2O
17.5.15KornerupineMg3Al6(Si,Al,B)5O21(OH)
17.5.16HarkeriteCa12Mg4Al(BO3)3(SiO4)4(CO3)5 · H2O
17.5.17Serendibite(Ca,Na)2(Mg,Fe2+)3(Al,Fe3+)3[O2|(Si,Al,B)6O18]
17.5.18Stillwellite-(Ce)(Ce,La,Ca)BSiO5
17.5.19Tadzhikite-(Ce)(Ca,Ce)4(Ce,Y)2(Ti4+,Fe3+,Al)[B4Si4O22](OH)2
17.5.20Melanocerite-(Ce)(Ce,Ca)5(SiO4,BO4)3(OH,0)
17.5.21Okanoganite-(Y)(Na,Ca)3(Y,Ce)12Si6B2O27F14
17.5.22Tritomite-(Ce)(Ce,La,Y,Th)5(Si,B)3(O,OH,F)13
17.5.23Tritomite-(Y)(Y,Ca,La,Fe)5(Si,B,Al)3(O,OH,F)13
17.5.24Cappelenite-(Y)Ba(Y,Ce)6Si3B6O24F2
17.5.25Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
17.5.26Holtite(Ta0.60.4)Al6BSi3O18(O,OH)2.25
17.5.27DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.28 Ferridravite
17.5.29Axinite-(Mg)Ca2MgAl2BSi4O15OH
17.5.30UviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
17.5.31GarrelsiteBa3NaSi2B7O16(OH)4
17.5.32TienshaniteKNa3Na6Ca2Ba6Mn6(Ti4+,Nb)6B12Si36O114(O,OH,F)11
17.5.33LeucospheniteBaNa4Ti2B2Si10O30
17.5.35TitantaramelliteBa4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2Clx
17.5.36NagashimaliteBa4(V,Ti)4B2Si8O27(O,OH)2Cl
17.5.37Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
17.5.38WawayandaiteCa6Mn2BBe9Si6O23(OH,Cl)15
17.5.39Werdingite(Mg,Fe)2Al14Si4B4O37
17.5.40Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
17.5.41Axinite
17.5.42Tinzenite(Ca,Mn2+)2Mn2+Al2BSi4O15(OH)
17.5.44SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
17.5.45Fluor-buergeriteNa(Fe33+)Al6(Si6O18)(BO3)3O3F
17.5.46FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
17.5.47Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
17.5.48HomiliteCa2(Fe2+,Mg)B2Si2O10
17.5.49Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
17.5.50Hyalotekite(Pb,Ba,K)4(Ca,Y)2(B,Be)2(Si,B)2Si8O28(F,Cl)
17.5.51Hellandite-(Y)(Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2

Other Names for Taramellite

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 Taramellite

Reference List:
Atti R. Accad. Lincei. Rend. Cl. Sci. fis. mat. nat., Roma (1908), ser.5, 17, 810.

American Mineralogist (1959): 44: 469.

Pabst, Adolf (1978) Zur morphologie des taramellits. Tschermaks Mineralogische und Petrographische Mitteilungen: 25: 245-256.

Mazzi, F. & G. Rossi (1980), The crystal structure of taramellite: American Mineralogist: 65: 123-128.

American Mineralogist (1984): 69: 358-373.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Internet Links for Taramellite

Localities for Taramellite

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.
Canada
 
  • Yukon Territory
    • Watson Lake Mining District
      • Itsi Mt.
        • Wilson Lake
CanMin:11:444; American Mineralogist, Volume 69, pages 358-373, 1984; Can.Min.22:653-658
Finland
 
  • Western and Inner Finland Region
Heikkilä, Pasi 2003. Vittinki-ryhmän metaserttien geologia ja mineralogia Etelä-Pohjanmaalla. Pro gradu, matemaattis-luonnontieteellinen tiedekunta, Geologian laitos. Helsingin Yliopisto.
Italy
 
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Mergozzo
        • Candoglia
Tacconi, E. (1908): Taramellite, nuovo silicato di ferro e bario. Rendiconti della Reale Accademia dei Lincei, Serie V, 18, 810-814; Tacconi, E. (1908): Ueber Taramellit, ein neues Mineral. Centralblatt für Mineralogie, Geologie und Paläontologie, 1908, 506-508; Gramaccioli, C.M. (1975): Minerali alpini e prealpini. Edizioni Atlas Bergamo.
Mexico
 
  • Baja California (Baja California Norte; BC Norte)
    • Tres Pozos
American Mineralogist, Volume 69, pages 358-373, 1984
Sweden
 
  • Värmland
    • Filipstad
Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
USA
 
  • California
    • Fresno Co.
      • Big Creek-Rush Creek District
        • Rush Creek deposit
Anonymous (1963), Core drilling at Rush Creek completed: California Division Mines, Mineral Information Service: 16(1): 11; Stinson, Melvin Clarence & J.T. Alfors (1964), New minerals from Fresno County – I: California Division Mines & Geology Mineral Information Service.: 17: 235-238; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 359, 381.
    • San Benito Co.
      • Diablo Range
        • New Idria District
          • Picacho Peak
            • Clear Creek area
American Mineralogist, Volume 69, pages 358-373, 1984
    • Santa Cruz Co.
      • Santa Cruz
Gross, E.B., Wainwright, J.E.N., and Evans, B.W. (1965) Pabstite, the tin analogue of benitoite. American Mineralogist: 50: 1164-1169; Gross, E.B., Chesterman, C.W., Dunning, G.E., and Cooper, J.F. (1967) Mineralogy of the Kalkar quarry, Santa Cruz, California. California Division Mines and Geol. Special Report 92: 3-10; Pabst, Adolf (1978) Zur morphologie des taramellits. Tschermaks Mineralogische und Petrographische Mitteilungen: 25: 245-256; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 138, 466.
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: April 25, 2015 03:02:31 Page generated: April 23, 2015 18:10:09