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Paratsepinite-Na

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Formula:
(Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8·nH2O n ~ 8
System:
Monoclinic
Colour:
Colourless

Classification of Paratsepinite-Na

Approved 2003
9.CE.30b

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

Physical Properties of Paratsepinite-Na

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
Colourless

Crystallography of Paratsepinite-Na

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Cell Parameters:
a = 14.596Å, b = 14.249Å, c = 15.852Å
β = 117.27°
Ratio:
a:b:c = 1.024 : 1 : 1.112
Unit Cell Volume:
V 2,930.45 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
7.09(100)
3.24(90)
3.15(80)
3.11(80)
2.54(70)
2.491(70)
Comments:
From type description.

Optical Data of Paratsepinite-Na

Type:
Biaxial (+)
RI values:
nα = 1.657 nβ = 1.666 nγ = 1.765
2V:
Measured: 19° to 31°, Calculated: 35°
Max Birefringence:
δ = 0.108
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of Paratsepinite-Na

Formula:
(Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8·nH2O n ~ 8
Essential elements:
All elements listed in formula:

Relationship of Paratsepinite-Na to other Species

Other Members of Group:
Alsakharovite-ZnNaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O
Burovaite-Ca(Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2O
Gjerdingenite-CaK2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
Gjerdingenite-FeK2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
Gjerdingenite-MnK2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
Gjerdingenite-NaK2Na2(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O
Gutkovaite-MnK2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O
Karupmøllerite-Ca(Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O
Kuzmenkoite-MnK2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2O
Kuzmenkoite-ZnK2Zn(Ti,Nb)4(Si4O12)2(OH,O)4·6-8H2O
Labuntsovite-FeNa4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O
Labuntsovite-MgNa4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O
Labuntsovite-MnNa4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O
Lemmleinite-BaNa2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O
Lemmleinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O
Lepkhenelmite-Zn(Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O
Nenadkevichite Group
Neskevaaraite-FeK3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2O
Organovaite-MnK2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2O
Organovaite-ZnK2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
Parakuzmenkoite-Fe(K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O
Paralabuntsovite-MgNa8K8Mg8Ti16(Si4O12)8(O,OH)16· nH2O
Paratsepinite-BaBa4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O
Tsepinite-CaCa(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
Tsepinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
Tsepinite-NaNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
Tsepinite-SrSr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O
Vuoriyarvite-KK2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2O
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.20TaramelliteBa4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx
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.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

Other Names for Paratsepinite-Na

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 Paratsepinite-Na

Reference List:
N. I. Organova, S. V. Krivovichev, Z. V. Shlyukova, A. E. Zadov, I. V. Rozhdestvenskaya and T. I. Ivanova (2004) Structure of the new mineral paratsepinite-Na and its place in the labuntsovite group
Crystallography Reports Volume 49, Number 6 / November Pages 946-952

Internet Links for Paratsepinite-Na

Localities for Paratsepinite-Na

(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.
Russia
 
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Khibiny Massif
I,V, Pekov (2007) New minerals from former Soviet Union countries 1998-2006, - Miner. Almanac, v.11, p.39.; Azarova, Y. V., Shlyukova, Z. V., Zolotarev Jr, A. A., & Organova, N. I. (2009). Burovaite-Ca,(Na, K) 4Ca2 (Ti, Nb) 8 [Si4O12] 4 (OH, O) 8· 12H2O, a new labuntsovite-group mineral species and its place in low-temperature mineral formation in pegmatites of the Khibiny pluton, Kola Peninsula, Russia. Geology of Ore Deposits, 51(8), 774-783.
Mineral and/or Locality  
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