Tsepinite-Na Mineral Data

Tsepinite-Na Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


AA Mineral Sepcimens
[What's New] [Mineral Galleries] [About Us] [Contacts] [Login]
At AA Mineral Specimens, we source quality Mineral Specimens, Fossils, Gemstones,
Decorative Stones, Lapidary Material and Specimen Sets world-wide


General Tsepinite-Na Information

Help on Chemical Formula: Chemical Formula: (Na,H3O,K,Sr,Ba)2(Ti,Nb)2[Si4O12](OH,O)2•3(H2O)
Help on Composition: Composition: Molecular Weight = 2,397.82 gm
   Potassium   1.30 %  K     1.57 % K2O
   Barium      2.29 %  Ba    2.56 % BaO
   Sodium      4.03 %  Na    5.43 % Na2O
   Strontium   1.83 %  Sr    2.16 % SrO
   Calcium     0.17 %  Ca    0.23 % CaO
   Titanium    8.39 %  Ti   13.99 % TiO2
   Niobium    14.34 %  Nb   20.51 % Nb2O5
   Iron        0.23 %  Fe    0.33 % Fe2O3
   Silicon    18.74 %  Si   40.09 % SiO2
   Hydrogen    1.45 %  H    12.92 % H2O
   Oxygen     47.24 %  O
             ______        ______ 
             100.00 %       99.80 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: H34.4Na4.2K0.8Sr0.5Ba0.4Ca0.1Ti4.2Nb3.7Fe3+0.1Si16O70.8
Help on Environment: Environment: Alkaline rocks. Labuntsovite group; structure
Help on IMA Status: IMA Status: Approved IMA 2000 (Dana # Added)
Help on Locality: Locality: Khibinpaschchorr, Khibiny alkaline complex, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Anatoliy I. Tsepin (1946-), Russian microprobe analyst.
Help on Synonym: Synonym: IMA2000-046
 

Tsepinite-Na Image

Click Here for Larger Tsepinite-Na Image in a New Browser Window Images:
Click Here for Larger Tsepinite-Na Image

Tsepinite-Na

Comments: Brown, needle-like crystals of tsepinite-Na in matrix.
Location: Lephke-Nelm, Lovozero, Kola, Russia. Scale: Crystal size 3 mm.
© Tom Loomis / Dakota Matrix
Click Here for Larger Tsepinite-Na Image in a New Browser Window Images:
Click Here for Larger Tsepinite-Na Image

Tsepinite-Na

Comments: Subparallel pale tan prismatic tsepinite-Na crystals with vitreous luster.
Location: Lepkhe-Nel'm Mt. (Lepkhe-Nelm Mt.), Seidozero Lake, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: See Image.
© Rruff Database

Tsepinite-Na Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0231:1:0.5557
Help on Cell Dimensions: Cell Dimensions: a = 14.604, b = 14.274, c = 7.933, Z = 1; beta = 117.4° V = 1,468.17 Den(Calc)= 2.71
Help on Crystal System: Crystal System: Monoclinic - DomaticH-M Symbol (m) Space Group: Cm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.09(1)(020,001), 3.24(0.9)(421,400,402), 3.15(0.8)(041,022,241), 2.54(0.7)(441,401,403), 2.06(0.6)(441,443), 2.63(0.6)(242
Click Here for Large Tsepinite-Na Structure Window 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


Rastsvetaeva R K , Organova N I , Rozhdestvenskaya I V , Shlyukova Z V , Chukanov N V , Doklady Chemistry , 371 (2000) p.52-56, Crystal structure of oxonium mineral of the nenadkevichite-labuntsovite group, from Khibiny massif, Locality: Khibinpakhchorr mountain, Khibiny massif, Kola Peninsula, Russia

 

Physical Properties of Tsepinite-Na

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, White, Light brown.
Help on Density: Density: 2.74
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Tsepinite-Na

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.013 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.258,KPDmeas= 0.2552,KC= 0.2586
Ncalc = 1.7 - 1.71
Help on Optical Data: Optical Data: Biaxial (+), a=1.658-1.661, b=1.668, g=1.77, bire=0.1090-0.1120
 

Calculated Properties of Tsepinite-Na

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.66 gm/cc
note: Specific Gravity of Tsepinite-Na =2.71 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PETsepinite-Na = 34.41 barns/electron
U=PETsepinite-Na x relectron= 91.49 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 18.45 (Gamma Ray American Petroleum Institute Units)
Concentration of Tsepinite-Na per GRapi unit = 5.42 (%)

Estimated Radioactivity from Tsepinite-Na - barely detectable

 

Tsepinite-Na Classification
Help on Dana Class: Dana Class: 60.01.03b.02 (60)Cyclosilicate Four-Membered Rings
  (60.01)as Titanosilicates
  (60.01.03b)Labuntsovite Group (Vuoriyarvite subgroup Monoclinic [Cm])
 
60.01.03b.01 Vuoriyarvite-K! (K,Na)2(Nb,Ti)2Si4O12(O,OH)2•4(H2O) Cm m
 
60.01.03b.02 Tsepinite-Na! (Na,H3O,K,Sr,Ba)2(Ti,Nb)2[Si4O12](OH,O)2•3(H2O) Cm m
 
60.01.03b.03 Tsepinite-K! (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) Cm m
 
60.01.03b.04 Tsepinite-Ca! (Ca,K,Na,[])2(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) C 2/m 2/m
 
60.01.03b.05 Paratsepinite-Ba! (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) C 2/m 2/m
 
60.01.03b.06 Tsepinite-Sr! (Sr,Ba,K)(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) Cm m
Help on Strunz Class: Strunz Class: 09.CE.30b 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe),
 
09.CE.30b Vuoriyarvite-K! (K,Na)2(Nb,Ti)2Si4O12(O,OH)2•4(H2O) Cm m
 
09.CE.30b Tsepinite-Sr! (Sr,Ba,K)(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) Cm m
 
09.CE.30b Tsepinite-Ca! (Ca,K,Na,[])2(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) C 2/m 2/m
 
09.CE.30b Tsepinite-K! (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) Cm m
 
09.CE.30b Tsepinite-Na! (Na,H3O,K,Sr,Ba)2(Ti,Nb)2[Si4O12](OH,O)2•3(H2O) Cm m
 

Other Tsepinite-Na Information
Help on References: References: NAME( AmMin, v 87, p 1734) PHYS. PROP.(AmMin, v 87, p 1734) OPTIC PROP.(AmMin, v 87, p 1734)
Help on See Also: See Also: Links to other databases for Tsepinite-Na :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

Search for Tsepinite-Na using:

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

Visit our Advertisers for Tsepinite-Na :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Tsepinite-Na Mineral Data :

Ask about Tsepinite-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 Espaņol

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

Tsepinite-Na

(Na,H3O,K,Sr,Ba)2(Ti,Nb)2[Si4O12](OH,O)2•3(H2O)
Dana No: 60.01.03b.02 Strunz No: 09.CE.30b
Locality:

 

Notes: