Paratsepinite-Na Mineral Data

[Minerals] [Gems] [Sale Items] [Gold Rings] [Big Stuff] [Main Page]
Shop early for Holiday Season and get the best stuff.
You can put it on layaway for up to six weeks!

General Paratsepinite-Na Information

Chemical Formula:

(Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O) n ~ 8

Composition:

Molecular Weight = 2,286.52 gm

Potassium 1.20 % K 1.44 % K₂O

Sodium 4.22 % Na 5.69 % Na₂O

Strontium 8.05 % Sr 9.52 % SrO

Calcium 0.61 % Ca 0.86 % CaO

Titanium 12.56 % Ti 20.96 % TiO₂

Niobium 8.13 % Nb 11.63 % Nb₂O₅

Silicon 19.65 % Si 42.04 % SiO₂

Hydrogen 0.79 % H 7.09 % H₂O

Oxygen 44.78 % O

______ ______

100.00 % 99.23 % = TOTAL OXIDE

Empirical Formula:

7(Na_0.6)7(Sr_0.3)7(K_0.1)7(Ca_0.05)8(Ti_0.75)8(Nb_0.25)4(Si₄)4(O₁₂)O₆(OH)₂·8(H₂O)

Environment:

Labuntsovite group

IMA Status:

Proposed IMA 2003 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

Synonym:

IMA2003-008

Paratsepinite-Na Image

Images:

Paratsepinite-Na

Comments: Colorless paratsepinite-Na crystals with associated red-brown labuntsovite.
Location: Mt. Khibinpakhchorr, Chibiny, Kola, Russia. Scale: Picture size 3 x 5 mm.
© Diederik Visser

Paratsepinite-Na Crystallography

Axial Ratios:

a:b:c =1.0243:1:1.1124

Cell Dimensions:

a = 14.596, b = 14.249, c = 15.852, Z = 3; beta = 117.27° V = 2,930.45 Den(Calc)= 3.89

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 7.09(1), 3.24(0.9), 3.11(0.8),3.15(0.8), 2.491(0.7), 2.54(0.7),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Organova N I , Krivovichev S V , Shlyukova Z V , Zadov A E , Rozhdestvenskaya I V , Ivanova T I , Crystallography Reports , 49 (2004) p.946-952, Structure of new mineral paratsepinite-Na and its place in the labuntsovite, group, Locality: Khibiny massif, Mt Khibinpakhchorr, Russia

Physical Properties of Paratsepinite-Na

Color:

Colorless.

Diaphaneity:

Transparent

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Paratsepinite-Na

Gladstone-Dale:

CI calc= 0.297 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1789,KC= 0.2543
Ncalc = 1.99

Optical Data:

Biaxial (+), a=1.657, b=1.666, g=1.765, bire=0.1080

Calculated Properties of Paratsepinite-Na

Electron Density:

Bulk Density (Electron Density)=3.79 gm/cc
note: Specific Gravity of Paratsepinite-Na =3.89 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_{Paratsepinite-Na}= 23.63 barns/electron
U=PE_{Paratsepinite-Na} x r_electron= 89.58 barns/cc.

Radioactivity:

GRapi = 16.85 (Gamma Ray American Petroleum Institute Units)
Concentration of Paratsepinite-Na per GRapi unit = 5.94 (%)

Estimated Radioactivity from Paratsepinite-Na - barely detectable

Paratsepinite-Na Classification

Dana Class:

60.01.03e.04 (60)Cyclosilicate Four-Membered Rings

(60.01)as Titanosilicates

(60.01.03e)Labuntsovite Group (Labuntsovite subgroup Monoclinic [C2/m])

60.01.03e.01 Labuntsovite-Mn! Na4K4(Ba,K)(Mn,Fe)1x(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O),n=10-12 I2/m 2/m

60.01.03e.02 Labuntsovite-Mg! Na4K4(Ba,K)(Mg,Fe)1xTi8(Si4O12)4(O,OH)8•10(H2O) C 2/m 2/m

60.01.03e.03 Labuntsovite-Fe! Na4K4(Ba,K)2(Fe,Mg,Mn)1xTi8(Si4O12)4(O,OH)8•10(H2O) C 2/m 2/m

60.01.03e.04 Paratsepinite-Na! (Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O)n~8 C 2/m 2/m

60.01.03e.05 Gjerdingenite-Mn! (K,Na)2(Mn,Fe)(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) C 2/m 2/m

60.01.03e.06 Gjerdingenite-Fe! K2[(H2O)2(Fe,Mn)][(Nb,Ti)4(Si4O12)2(O,OH)4]•4(H2O) C 2/m 2/m

60.01.03e.07 Gjerdingenite-Ca! K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•6H2O C 2/m 2/m

60.01.03e.08 Gjerdingenite-Na! (K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4•5H2O C 2/m 2/m

Strunz Class:

09.CE.30i 09 - SILICATES (Germanates)

09.C - Cyclosilicates

09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe),

09.CE.30i Paratsepinite-Na! (Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O)n~8 C 2/m 2/m

09.CE.30i Paratsepinite-Ba! (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) C 2/m 2/m

Other Paratsepinite-Na Information

See Also:

Links to other databases for Paratsepinite-Na :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Paratsepinite-Na using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Paratsepinite-Na :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Paratsepinite-Na Mineral Data :

Ask about Paratsepinite-Na here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Paratsepinite-Na Specimen Label here :

Paratsepinite-Na

(Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O) n ~ 8
Dana No: 60.01.03e.04 Strunz No: 09.CE.30i
Locality:

Notes: