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Paratsepinite-Ba

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About Paratsepinite-BaHide

Formula:
Ba4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O
Colour:
Light brown
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
2.88
Name:
Named according to recommended nomeclature for labuntsovite-group minerals. The 'para' (Greek for near) prefix is used for species with a doubled unit cell, tsepinite is the series root name, and the 'Ba-' suffix is for dominant barium.

Classification of Paratsepinite-BaHide

Approved
Approval Year:
2002
First Published:
2003
9.CE.30b

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

Physical Properties of Paratsepinite-BaHide

Vitreous
Transparency:
Transparent
Colour:
Light brown
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
2.88 g/cm3 (Measured)    2.95 g/cm3 (Calculated)

Optical Data of Paratsepinite-BaHide

Type:
Biaxial (+)
RI values:
nα = 1.667 nβ = 1.674 nγ = 1.770
2V:
Measured: 30° , Calculated: 32°
Max Birefringence:
δ = 0.103
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
Not observed
Pleochroism:
Not Visible

Chemical Properties of Paratsepinite-BaHide

Formula:
Ba4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O
IMA Formula:
(Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O
Common Impurities:
Na,K

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.11 (100)
4.08 (80)
3.95 (100)
3.24 (90)
3.11 (80)
2.403 (80)
1.914 (90)
1.634 (80)

Type Occurrence of Paratsepinite-BaHide

Reference:
Chukanov, N.V., Pekov, I.V., Zadov, A.E., Rosenberg, K.A., Rastsvetaeva, R.K., Krivovichev, S.V., Levitskay, L.A. (2003) New minerals tsepinite-K (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2·3H2O and paratsepinite-Ba (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2·4H2O and their relationship with other labuntsovite group members. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 132(1): 38-51.

Synonyms of Paratsepinite-BaHide

Other Language Names for Paratsepinite-BaHide

Simplified Chinese:水硅铌钛钡石
Traditional Chinese:水矽鈮鈦鋇石

Relationship of Paratsepinite-Ba to other SpeciesHide

Other Members of this group:
Paratsepinite-Na(Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8·nH2O n ~ 8Mon. 2/m : B2/m

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.15BaotiteBa4Ti8Si4O28ClTet. 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.25Joaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2OMon. 2 : B2
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.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.

Fluorescence of Paratsepinite-BaHide

Nonfluorescent

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 Paratsepinite-BaHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chukanov, N.V., Pekov, I.V., Khomyakov, A.P. (2002) Recommended nomeclature for labuntsovite-group minerals. European Journal of Mineralogy: 14: 165-173.
Chukanov, N.V., Pekov, I.V., Zadov, A.E., Rosenberg, K.A., Rastsvetaeva, R.K., Krivovichev, S.V., Levitskay, L.A. (2003) New minerals tsepinite-K (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2·3H2O and paratsepinite-Ba (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2·4H2O and their relationship with other labuntsovite group members. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 132(1): 38-51.
Jambor, J.L., Roberts, A.C. (2004) New mineral names. American Mineralogist: 89: 894-897.
Mandarino, J.A. (2004) New minerals. The Canadian Mineralogist: 42: 215-234.

Internet Links for Paratsepinite-BaHide

Localities for Paratsepinite-BaHide

ⓘ - 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
 
  • Murmanskaya Oblast'
    • Khibiny Massif
      • Eveslogchorr Mt
        • Astrophyllite Stream
Pekov et al (2005) New Data on Minerals Vol 40 pp11-16
    • Lovozero Massif
      • Seidozero Lake
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
Mineral and/or Locality  
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