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Yuksporite Mineral Data

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General Yuksporite Information

Help on Chemical  Formula: Chemical Formula: (Sr,Ba)2K4(Ca,Na)14([ ],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n, n~3
Help on Composition: Composition: Molecular Weight = 2,546.97 gm
   Potassium   6.14 %  K     7.40 % K2O
   Barium      3.56 %  Ba    3.97 % BaO
   Sodium      4.36 %  Na    5.88 % Na2O
   Strontium   4.78 %  Sr    5.65 % SrO
   Calcium    13.25 %  Ca   18.54 % CaO
   Titanium    5.88 %  Ti    9.82 % TiO2
   Manganese   0.37 %  Mn    0.47 % MnO
   Niobium     2.41 %  Nb    3.44 % Nb2O5
   Iron        0.22 %  Fe    0.28 % FeO
   Silicon    19.85 %  Si   42.46 % SiO2
   Hydrogen    0.24 %  H     2.12 % H2O
   Oxygen     38.95 %  O
             ______        ______ 
             100.00 %      100.04 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na4.83K4Ba0.66Ca8.42Sr1.39Ti3.13Nb0.66Mn2+0.17Fe2+0.1Si18O59�3(H2O)
Help on Environment: Environment: Alkalic syenite massifs.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1922
Help on Locality: Locality: Yukspor, Mt. Khibiny massif, Kola peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Yuksporite + Pronunciation Say YUKSPORITE

Yuksporite Image

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Comments: Opaque fibrous yuksporite aggregate.
Location: Mount Yukspor, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Yuksporite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.286:1:0.6853
Help on Cell Dimensions: Cell Dimensions: a = 7.126, b = 24.913, c = 17.075, Z = 2; beta = 101.89° V = 2,966.29 Den(Calc)= 2.85
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.8(1), 3(0.9), 3.1(0.9),2.915(0.7), 6.22(0.55), 2.74(0.35), 3.19(0.35), 4.18(0.35),

Physical Properties of Yuksporite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Brown pink, Pink.
Help on Density: Density: 3.05
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Habit: Habit: Concretionary - Rounded massive fine-grained materials.
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 4.5-5 - Near Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Yuksporite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.04 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.027 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2288,KPDmeas= 0.2138,KC= 0.2227
Ncalc = 1.63 - 1.68
Help on Optical Data: Optical Data: Biaxial (?), a=1.644, g=1.66, bire=0.0160, 2V(Meas)=46-76.
Help on Pleochroism (x): Pleochroism (x): pale rose yellow.
Help on Pleochroism (y): Pleochroism (y): rose yellow.
Help on Pleochroism (z): Pleochroism (z): rose yellow.

Calculated Properties of Yuksporite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.78 gm/cc
note: Specific Gravity of Yuksporite =2.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEYuksporite = 27.50 barns/electron
U=PEYuksporite x relectron= 76.57 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 86.57 (Gamma Ray American Petroleum Institute Units)
Concentration of Yuksporite per GRapi unit = 1.16 (%)

Estimated Radioactivity from Yuksporite - barely detectable


Yuksporite Classification

Help on  Dana Class: Dana Class: (66)Inosilicate Double-Width Unbranched Chains, W=2
  (66.03)with chains P>2
  (66.03.01)P=3 Xonotlite Ca6Si6O17(OH)2 P 2/a 2/m Zorite Na6Ti5[Si12O34](O,OH)5•11(H2O) C mmm 2/m 2/m 2/m Eudidymite NaBeSi3O7(OH) C 2/c 2/m Epididymite NaBeSi3O7(OH) Pnam 2/m 2/m 2/m Yuksporite (Sr,Ba)2K4(Ca,Na)14([],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n,n~3 P 21/m 2/m Haineaultite! (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8•5(H2O) C 222 2 2 2 Chivruaiite! Ca4(Ti,Nb)5[(Si6O17)2[(OH,O)5]•13-14H2O C mmm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.DG.95 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DG -Inosilicates with 3-periodic single and multiple chains
09.DG.95 Yuksporite (Sr,Ba)2K4(Ca,Na)14([],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n,n~3 P 21/m 2/m

Other Yuksporite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990, AmMin, 89:253 & 89:1561) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Yuksporite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Print or Cut-and-Paste your Yuksporite Specimen Label here :


(Sr,Ba)2K4(Ca,Na)14([ ],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n, n~3
Dana No: Strunz No: 09.DG.95





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