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Joaquinite-(Ce)

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Formula:
NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2O
Hardness:
5 - 5½
Crystal System:
Monoclinic
Name:
Named in 1909 by G.D. Louderback and W.C. Blasdale for the Joaquin Ridge in the Diablo Range where the mineral was discovered. The ridge also also borders the San Joaquin Valley. The suffix denotes the cerium content and was added by Nickel & Mandarino (1987).
This page provides mineralogical data about Joaquinite-(Ce).


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Classification of Joaquinite-(Ce)Hide

Approved, 'Grandfathered' (first described prior to 1959)
9.CE.25

9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
60.1.1a.1

60 : CYCLOSILICATES Four-Membered Rings
1 : Four-Membered Rings, as Titanosilicates
14.9.12

14 : Silicates not Containing Aluminum
9 : Silicates of Ti

Physical Properties of Joaquinite-(Ce)Hide

Hardness:
5 - 5½ on Mohs scale

Optical Data of Joaquinite-(Ce)Hide

Type:
Biaxial (+)
RI values:
nα = 1.748 - 1.754 nβ = 1.760 - 1.767 nγ = 1.762 - 1.823
Max Birefringence:
δ = 0.014 - 0.069
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r < v marked

Chemical Properties of Joaquinite-(Ce)Hide

Formula:
NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2O
IMA Formula:
NaBa2Fe2+Ti2Ce2(Si4O12)2O2(OH) · H2O

Crystallography of Joaquinite-(Ce)Hide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
B2
Setting:
C2
Cell Parameters:
a = 10.516(3) Å, b = 9.686(3) Å, c = 11.833(4) Å
β = 109.67(3)°
Ratio:
a:b:c = 1.086 : 1 : 1.222
Unit Cell V:
1,134.95 ų (Calculated from Unit Cell)
Z:
2
Twinning:
On {001}, polysynethic, common.
Comment:
Pseudo-orthorhombic.

Type Occurrence of Joaquinite-(Ce)Hide

Other Language Names for Joaquinite-(Ce)Hide

Relationship of Joaquinite-(Ce) to other SpeciesHide

Other Members of this group:
Bario-orthojoaquinite(Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2OOrth.
Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
Orthojoaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O
Orthojoaquinite-(La)NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2OOrth.
Strontio-orthojoaquinite(Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2OOrth.
StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2OMon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Benitoite120 photos of Joaquinite-(Ce) associated with Benitoite on mindat.org.
Neptunite104 photos of Joaquinite-(Ce) associated with Neptunite on mindat.org.
Natrolite72 photos of Joaquinite-(Ce) associated with Natrolite on mindat.org.
Crossite20 photos of Joaquinite-(Ce) associated with Crossite on mindat.org.
Albite8 photos of Joaquinite-(Ce) associated with Albite on mindat.org.
Djurleite5 photos of Joaquinite-(Ce) associated with Djurleite on mindat.org.
Glaucophane4 photos of Joaquinite-(Ce) associated with Glaucophane on mindat.org.
Ancylite-(Ce)1 photo of Joaquinite-(Ce) associated with Ancylite-(Ce) on mindat.org.
Digenite1 photo of Joaquinite-(Ce) associated with Digenite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.CE.05PapagoiteCaCu[H3AlSi2O9]Mon.
9.CE.10VerplanckiteBa2(Mn,Fe,Ti)Si2O6(O,OH,Cl,F)2 · 3H2O or nearHex.
9.CE.15BaotiteBa4(Ti,Nb)8Si4O28ClTet. 4/m : I41/a
9.CE.20NagashimaliteBa4(V,Ti)4B2Si8O27(O,OH)2ClOrth. mmm (2/m 2/m 2/m) : Pmmn
9.CE.20TaramelliteBa4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2ClxOrth. mmm (2/m 2/m 2/m) : Pmmn
9.CE.20TitantaramelliteBa4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2ClxOrth.
9.CE.25Bario-orthojoaquinite(Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2OOrth.
9.CE.25Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
9.CE.25Orthojoaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O
9.CE.25StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2OMon.
9.CE.25Strontio-orthojoaquinite(Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2OOrth.
9.CE.25Orthojoaquinite-(La)NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2OOrth.
9.CE.30eLabuntsovite-MnNa4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2OMon.
9.CE.30aNenadkevichite(Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pbam
9.CE.30dLemmleinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2OOrth.
9.CE.30aKorobitsyniteNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2OOrth. mmm (2/m 2/m 2/m) : Pbam
9.CE.30cKuzmenkoite-MnK2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2OMon.
9.CE.30bVuoriyarvite-KK2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2OMon.
9.CE.30bTsepinite-NaNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon.
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 · 10H2OMon.
9.CE.30eLabuntsovite-FeNa4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon.
9.CE.30dLemmleinite-BaNa2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon. 2/m : B2/m
9.CE.30cGjerdingenite-FeK2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30hNeskevaaraite-FeK3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2OMon. m : Bm
9.CE.30bTsepinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. 2/m : B2/m
9.CE.30bParatsepinite-BaBa4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O
9.CE.30bTsepinite-CaCa(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. 2/m : B2/m
9.CE.30hAlsakharovite-ZnNaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm
9.CE.30cGjerdingenite-MnK2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30cLepkhenelmite-Zn(Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm
9.CE.30bTsepinite-SrSr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. m : Bm
9.CE.30bParatsepinite-Na(Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8·nH2O n ~ 8Mon. 2/m : B2/m
9.CE.30fParalabuntsovite-MgNa8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2OMon. 2/m
9.CE.30cGjerdingenite-CaK2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30cGjerdingenite-NaK2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2OMon. 2/m : B2/m
9.CE.30hGutkovaite-MnK2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon.
9.CE.30cKuzmenkoite-ZnK2Zn(Ti,Nb)4(Si4O12)2(OH,O)4·6-8H2OMon. m : Bm
9.CE.30gOrganovaite-MnK2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2OMon. 2/m : B2/m
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 · 14H2OMon. 2/m : B2/m
9.CE.30cBurovaite-Ca(Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2OMon. 2/m : B2/m
9.CE.45Komarovite(Ca,Mn)Nb2[O3|Si2O7] · 3.5H2OOrth.
9.CE.45Natrokomarovite(Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2OOrth.

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

60.1.1a.2StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.9.1NatisiteNa2Ti(SiO4)OTet.
14.9.2LorenzeniteNa2Ti2(Si2O6)O3Orth. mmm (2/m 2/m 2/m) : Pbcn
14.9.3LintisiteLiNa3Ti2(Si2O6)2O2 · 2H2OMon.
14.9.4DavaniteK2TiSi6O15Tric.
14.9.5KazakoviteNa6Mn2+Ti(Si6O18)Trig.
14.9.6TitaniteCaTi(SiO4)OMon. 2/m : P21/b
14.9.7OhmiliteSr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2OMon.
14.9.8Lamprophyllite(Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2Mon.
14.9.9BenitoiteBaTi(Si3O9)Hex. 6 m2 : P62c
14.9.10BatisiteBaNaNaTi2(Si4O12)O2Orth.
14.9.11FresnoiteBa2Ti(Si2O7)OTet.
14.9.13Orthojoaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O
14.9.14StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2OMon.
14.9.15Bario-orthojoaquinite(Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2OOrth.
14.9.16Strontio-orthojoaquinite(Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2OOrth.
14.9.17BafertisiteBa2Fe2+4Ti2(Si2O72O2(OH)2F2Tric.
14.9.18HejtmaniteBa2(Mn2+,Fe2+)4Ti2(Si2O7)2O2(OH)2F2Tric. 1
14.9.19Delindeite(Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2OMon.
14.9.20Barytolamprophyllite(Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F)Mon.
14.9.21Trimounsite-(Y)Y2Ti2(SiO4)O5Mon.
14.9.22Perrierite-(Ce)Ce4MgFe3+2Ti2(Si2O7)2O8
14.9.23Chevkinite(Ce,Ca,Th)4(Fe,Mn)2(Ti,Fe)3[Si2O7]2O8
14.9.24Strontiochevkinite(Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8Mon.
14.9.25TisinaliteNa3H3(Mn,Ca,Fe)TiSi6(O,OH)18 · 2H2OTrig.
14.9.26NeptuniteNa2KLiFe2+2Ti2Si8O24Mon. m : Bb
14.9.27ManganoneptuniteNa2KLiMn2+2Ti2Si8O24Mon.
14.9.28Kupletskite(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4FTric.
14.9.29AstrophylliteK2NaFe2+7Ti2Si8O28(OH)4FTric. 1 : P1
14.9.30Hydroastrophyllite(H3O,K,Ca)3(Fe,Mn)5-65Ti2Si8(O,OH)31Tric.
14.9.31LobanoviteK2Na(Fe2+4Mg2Na)Ti2(Si4O12)2O2(OH)4Mon. 2/m : B2/m
14.9.32BaratoviteKCa7(Ti,Zr)2Li3Si12O36F2Mon.
14.9.34AenigmatiteNa2Fe2+5Ti(Si6O18)O2Tric. 1 : P1
14.9.35SchorlomiteCa3(Ti,Fe3+)2((Si,Fe3+)O4)3Iso.
14.9.36TinaksiteK2Na(Ca,Mn2+)2Ti[O|Si7O18(OH)]Tric.
14.9.37Janhaugite(Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2Mon. 2/m : P21/m
14.9.38KoashviteNa6(Ca,Mn)(Ti,Fe)Si6O18 · H2OOrth.

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 Joaquinite-(Ce)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Louderback, G.D., Blasdale, W.C. (1909) Benitoite, its paragenesis and mode of occurrence. University of California Publications. Bulletin of the Department of Geology: 5: 331-380.
Palache, C., Foshag, W.F. (1932) The chemical nature of joaquinite. American Mineralogist: 17: 308-312.
Cannillo, E., Mazzi, F., Rossi, G. (1972) The structure type of joaquinite: Tschermaks Mineralogische und Petrographische Mitteilungen: 17: 233-246.
Semenov, E.I., Bukin, V.I., Balashov, Y.A., Sorensen, H. (1967) Rare earths in minerals of the joaquinite group. American Mineralogist: 52: 1762-1769.
Laird, J., Albee, A.L. (1972) Chemical composition and physical, optical, and structural properties of benitoite, neptunite and joaquinite. American Mineralogist: 57: 85-102.
Dowty, E. (1975) Crystal structure of joaquinite: American Mineralogist: 60: 872-878.
Rossman, G.R. (1975) Joaquinite: the nature of its water content and the question of four-coordinated ferrous iron. American Mineralogist: 60: 435-440.
Wise, W.S. (1982) Strontiojoaquinite and bario-orthojoaquinite: two new members of the joaquinite group. American Mineralogist: 67: 809-816.
Nickel, E.H., Mandarino, J.A. (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature. American Mineralogist: 72: 1031-1042.
Matsubara, S., Mandarino, J.A., Semenov, E.I. (2001) Redefinition of a mineral in the joaquinite group: orthojoaquinite-(La). The Canadian Mineralogist: 39: 757-760.

Internet Links for Joaquinite-(Ce)Hide

Localities for Joaquinite-(Ce)Hide

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.
Canada
 
  • Newfoundland and Labrador
    • Labrador
GSC locality database; L. W. Curtis And J. Gittins (1979) Aluminous and Titaniferous Clinopyroxenes from Regionally Metamorphosed Agpaitic Rocks in Central Labrador. J. Petrology 20:165-186.; Curtis, L.W. & Currie, K.L. (1977) Geology and petrology of the Red Wine complex, Central Labrador. GSC Bulletin 287, 61p. + maps
NICKEL, E.H., ROWLAND, J,F. and CHARETTE, D.J. (1964) Niobophyllite – the niobium analogue of astrophyllite; a new mineral; Nickel, E.H., J.F. Rowland, and D.J. Charette (1964) Niobophyllite - the niobium analogue of astrophyllite; a new mineral from Seal Lake, Labrador. Can. Mineral., 8, 40-52.
GSC locality database; GSC database locality No. 4100
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
Greenland
 
  • Kujalleq
    • Narsaq
[Mineralogical Record - Vol 24 No 2]; Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
        • Kuannersuit Plateau (Kvanefjeld)
Semenov, E.I. et al. (1967): Rare Earths in minerals of the Joaquinite group. American Mineralogist. 52, 1762-1769; Semenov, E. (2001): Notes on Ephesite, Terskite, Na-Komarovite, Ceriopyrochlore-(Ce), Joaquinite-(Ce) and other minerals from the Ilimaussaq alkaline complex, South Greenland, Geology of Greenland Survey Bulletin 190, 123-125
Hungary
 
  • Baranya Co.
    • Mecsek Mts
      • Hosszúhetény
www.geomania.hu
      • Pécs
http://www.minerofil.hu/uj1999a.php?nyelvezet=angol
USA
 
  • Arkansas
    • Hot Spring Co.
      • Magnet Cove
Barwood, H (1995), Benitoite and Joaquinite in Arkansas, Min.News: 11(5):2, 5.
Howard, 1987. Mineral Species of Arkansas, addenda
      • Little Rock
Rocks and Minerals, (1989) 64:314-322
  • California
    • San Benito Co.
      • Diablo Range
        • New Idria District
          • Picacho Peak
            • Clear Creek area
              • Hernandez
                • Clear Creek
Mineralogical Research Company
Joseph F. Cooper Jr., Gail E. Dunning, Ted A.Hadley (2003) Minerology of the Victor Claim, Clear Creek Area, New Idria District, San Benito County, California.
          • San Benito River headwaters area
            • Dallas Gem Mine area
Louderback, George Davis & Walter C. Blasdale (1909), Benitoite, its mineralogy, paragenesis and mode of occurrence: University of California, Department of Geological Sciences Bulletin: 5: 376; Palache, Charles & William Frederick Foshag (1932), The chemical nature of joaquinite: American Mineralogist: 17: 308-312; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 102, 234; Wise, W.S & Gill, R.H. (1977): Minerals of the Benitoite Gem mine. Mineralogical Record 8, 442-452; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 470.; William S. Wise (1982) Strontiojoaquinite and bario-orthojoaquinite: two new members of the joaquinite group . American Mineralogist 67:809-81
              • North of the Dallas Gem Mine
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 467.
Mineral and/or Locality  
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