Vuoriyarvite-K  Mineral Data

Vuoriyarvite-K Mineral Data

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment
Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.
The Mineral News newsletter has expanded to sixteen (16) pages a month and it has added significant features such as frequent book reviews, photographs to supplement new mineral descriptions. Occasional color issues are produced as well.
Adamsminerals.com- Online mineral store front for mineral collectors
Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

General Vuoriyarvite-K Information

Help on Chemical  Formula: Chemical Formula: (K,Na)2(Nb,Ti)2Si4O12(O,OH)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 654.35 gm
   Potassium   5.98 %  K     7.20 % K2O
   Barium      2.10 %  Ba    2.34 % BaO
   Sodium      2.11 %  Na    2.84 % Na2O
   Titanium    0.73 %  Ti    1.22 % TiO2
   Niobium    25.56 %  Nb   36.56 % Nb2O5
   Silicon    17.17 %  Si   36.73 % SiO2
   Hydrogen    1.37 %  H    12.25 % H2O
   Oxygen     44.99 %  O
             ______        ______ 
             100.00 %       99.14 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KNa0.6Ba0.1Nb1.8Ti0.1Si4O13.7(OH)0.5•4.2(H2O)
Help on Environment: Environment: The mineral formed by the hydrothermal alteration of pyrochlore.
Help on IMA Status: IMA Status: Approved IMA 1995 (Dana # Added)
Help on Locality: Locality: Lake Vuoriyarvi and the Vuoriyarvi alkali-ultramafic complex, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name reflects the discovery locality.
Help on Name Pronunciation: Name Pronunciation: Vuoriyarvite-K + Pronunciation Say VUORIYARVITE-K
Help on Synonym: Synonym: IMA1995-031
  IMA2000-A
  Vuoriyarvite
 

Vuoriyarvite-K Image

Click Here for Larger Vuoriyarvite-K Image in a New Browser Window Images:
Click Here for Larger Vuoriyarvite-K Image

Vuoriyarvite-K

Comments: Light tan, compact mass of vuoryarvite-K micro-crystals associated with calcite and greenish sodalite.
Location: Vein No. 46, Kirovskii apatite mine (Kirovsky Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: See Image.
© Rruff Database

Vuoriyarvite-K Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0372:1:0.5548
Help on Cell Dimensions: Cell Dimensions: a = 14.692, b = 14.164, c = 7.859, Z = 4; beta = 117.87° V = 1,445.74 Den(Calc)= 3.01
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): 3.262(1)(421), 7.1(0.9)(020), 3.151(0.8)(041),4.98(0.6)(021), 2.956(0.6)(112), 1.723(0.4)(463,463,714,2.549(0.4)(441),
 

Physical Properties of Vuoriyarvite-K

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Density: Density: 2.95
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Vuoriyarvite-K

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.042 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.061 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2285,KPDmeas= 0.2331,KC= 0.2433
Ncalc = 1.72 - 1.73
Help on Optical Data: Optical Data: Biaxial (+), a=1.649, b=1.655, g=1.759, bire=0.1100, 2V(Calc)=30, 2V(Meas)=20-28. Dispersion weak, r < v.
 

Calculated Properties of Vuoriyarvite-K

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.88 gm/cc
note: Specific Gravity of Vuoriyarvite-K =2.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEVuoriyarvite-K = 47.12 barns/electron
U=PEVuoriyarvite-K x relectron= 135.66 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 84.12 (Gamma Ray American Petroleum Institute Units)
Concentration of Vuoriyarvite-K per GRapi unit = 1.19 (%)

Estimated Radioactivity from Vuoriyarvite-K - barely detectable

 

Vuoriyarvite-K Classification

Help on  Dana Class: Dana Class: 60.01.03b.01 (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 Vuoriyarvite-K Information

Help on References: References: NAME( CanMin, 8/99) PHYS. PROP.(AmMin, Vol 83, p 1349) OPTIC PROP.(AmMin, Vol 83, p 1349)
Help on See Also: See Also: Links to other databases for Vuoriyarvite-K :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

Search for Vuoriyarvite-K using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Vuoriyarvite-K :

A Bijoux Google Search for Vuoriyarvite-K
Adam's Minerals Google Search for Vuoriyarvite-K
Cape Minerals Google Search for Vuoriyarvite-K
Dakota Matrix Minerals Google Search for Vuoriyarvite-K
Excalibur Mineral Corp. Google Search for Vuoriyarvite-K
Exceptional Minerals Google Search for Vuoriyarvite-K
John Betts Fine Minerals Search for Vuoriyarvite-K
McDougall Minerals Google Search for Vuoriyarvite-K
Mineral News Website Link
Rock and Mineral Shows Google Search for Vuoriyarvite-K
Weinrich Minerals, Inc. Google Search for Vuoriyarvite-K

Ask about Vuoriyarvite-K 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 Vuoriyarvite-K Specimen Label here :

Vuoriyarvite-K

(K,Na)2(Nb,Ti)2Si4O12(O,OH)2•4(H2O)
Dana No: 60.01.03b.01 Strunz No: 09.CE.30b
Locality:

 

Notes: