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Paratsepinite-Na

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Formula:
(Na,Sr,K,Ca)2(Ti,Nb)2(Si4O12)(O,OH)2 · 4H2O
System:
Monoclinic
Colour:
Colourless
Lustre:
Vitreous

Classification of Paratsepinite-Na

Approved
Approval Year:
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-Na

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
Colourless

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

IMA Formula:
(Na,Sr,K,Ca)2(Ti,Nb)2(Si4O12)(O,OH)2 · 4H2O
Elements listed in formula:

Crystallography of Paratsepinite-Na

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Cell Parameters:
a = 14.596 Å, b = 14.249 Å, c = 15.852 Å
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.

Type Occurrence of Paratsepinite-Na

Relationship of Paratsepinite-Na to other Species

Other Members of Group:
Paratsepinite-BaBa4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O
9.CE.05PapagoiteCaCuAlSi2O6(OH)3
9.CE.10VerplanckiteBa4Mn22+Si4O12(OH,H2O)3Cl3
9.CE.15BaotiteBa4(Ti,Nb,W)8O16(SiO3)4Cl
9.CE.20NagashimaliteBa4(V3+,Ti)4(O,OH)2[B2Si8O27]Cl
9.CE.20TaramelliteBa4(Fe3+,Ti)4O2[B2Si8O27]Clx; x = 0 to 1
9.CE.20TitantaramelliteBa4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx
9.CE.25Bario-orthojoaquiniteBa4Fe22+Ti2O2(SiO3)8 · H2O
9.CE.25Byelorussite-(Ce)NaBa2Ce2Mn2+Ti2Si8O26(F,OH) · H2O
9.CE.25Joaquinite-(Ce)NaBa2Fe2+Ti2Ce2(SiO3)8O2(OH) · H2O
9.CE.25Orthojoaquinite-(Ce)NaBa2Fe2+Ce2Ti2(SiO3)8O2(O,OH) · H2O
9.CE.25Strontiojoaquinite(Na,Fe)2Ba2Sr2Ti2(SiO3)8(O,OH)2 · H2O
9.CE.25Strontio-orthojoaquiniteNaSr4Fe3+Ti2Si8O24(OH)4
9.CE.25Orthojoaquinite-(La)NaBa2La2Fe2+Ti2Si8O26(OH,O,F) · H2O
9.CE.30eLabuntsovite-MnNa4K4Mn22+Ti8O4(Si4O12)4(OH)4 · 10-12H2O
9.CE.30aNenadkevichite(Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2O
9.CE.30dLemmleinite-KNa4K8Ti8(Si4O12)4(O,OH)8 · 8H2O
9.CE.30aKorobitsynite(Na,◻)8Ti4(Si4O12)2(O,OH)4 · 8H2O
9.CE.30cKuzmenkoite-MnK4Mn2Ti8(Si4O12)4(OH,O)8 · 10-12H2O
9.CE.30bVuoriyarvite-K(K,Na,◻)12Nb8(Si4O12)4O8 · 12-16H2O
9.CE.30bTsepinite-Na(Na,H3O,K,Sr,Ba,◻)12Ti8(Si4O12)4(OH,O)8 · 12-16H2O
9.CE.30cKarupmøllerite-Ca(Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O
9.CE.30eLabuntsovite-MgNa4K4Mg2Ti8O4(Si4O12)4(OH)4 · 10-12H2O
9.CE.30eLabuntsovite-FeNa4K4Fe22+Ti8(Si4O12)4(O,OH)8 · 10-12H2O
9.CE.30dLemmleinite-BaNa4K4Ba2+xTi8(Si4O12)4(O,OH)8 · 8H2O
9.CE.30cGjerdingenite-FeK2Fe(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30hNeskevaaraite-FeNaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30bTsepinite-K(K,Ba,Na)2(Ti,Nb)2Si4O12(OH,O)2 · 3H2O
9.CE.30bParatsepinite-Ba(Ba,Na,K)2-x(Ti,Nb)2Si4O12(OH,O)2 · 4H2O
9.CE.30bTsepinite-Ca(Ca,K,Na)2-x(Ti,Nb)2Si4O12(OH,O)2 · 4H2O
9.CE.30hAlsakharovite-ZnNaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O
9.CE.30cGjerdingenite-MnK2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30cLepkhenelmite-ZnBa2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O
9.CE.30bTsepinite-Sr(Sr,Ba,K)(Ti,Nb)2Si4O12(OH,O)2 · 3H2O
9.CE.30fParalabuntsovite-MgNa8K8Mg4Ti16(Si4O12)8(O,OH)16 · 20-24H2O
9.CE.30cGjerdingenite-CaK2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30cGjerdingenite-Na(K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O
9.CE.30hGutkovaite-MnCaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O
9.CE.30cKuzmenkoite-ZnK2ZnTi4(Si4O12)2(OH)4 · 6-8H2O
9.CE.30gOrganovaite-MnK2MnNb4(Si4O12)2O4 · 5-7H2O
9.CE.30gOrganovaite-ZnK2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30gParakuzmenkoite-Fe(K,Ba)8Fe4Ti16(Si4O12)8(OH,O)16 · 20-28H2O
9.CE.30cBurovaite-Ca(Na,K)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8 · 12H2O
9.CE.45Komarovite(Ca,Sr,Na)6-x(Nb,Ti)6(Si4O12)(O,OH,F)16 · nH2O
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

mindat.org URL:
https://www.mindat.org/min-27504.html
Please feel free to link to this page.

Localities for Paratsepinite-Na

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.
Russia (TL)
 
  • 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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