Yuksporite Mineral Data

Yuksporite Mineral Data +

General Yuksporite Information

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

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

Empirical Formula:

Na_4.83K₄Ba_0.66Ca_8.42Sr_1.39Ti_3.13Nb_0.66Mn²⁺_0.17Fe²⁺_0.1Si₁₈O₅₉·3(H₂O)

Environment:

Alkalic syenite massifs.

IMA Status:

Valid Species (Pre-IMA) 1922

Locality:

Yukspor, Mt. Khibiny massif, Kola peninsula, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Yuksporite Image

Images:

Yuksporite

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

Axial Ratios:

a:b:c =0.286:1:0.6853

Cell Dimensions:

a = 7.126, b = 24.913, c = 17.075, Z = 2; beta = 101.89° V = 2,966.29 Den(Calc)= 2.85

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/m

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

By Intensity(I/I_o): 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),

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

Krivovichev S V , Yakovenchuk V N , Armbruster T , Dobelin N , Pattison P , Weber H-P , Depmeier W , American Mineralogist , 89 (2004) p.1561-1565, Porous titanosilicate nanorods in the structure of yuksporite,

Physical Properties of Yuksporite

Cleavage:

[???] Perfect

Color:

Brown pink, Pink.

Density:

3.05

Diaphaniety:

Semitransparent

Habit:

Concretionary - Rounded massive fine-grained materials.

Habit:

Nodular - Tuberose forms having irregular protuberances over the surface.

Hardness:

4.5-5 - Near Apatite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Yuksporite

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

Optical Data:

Biaxial (?), a=1.644, g=1.66, bire=0.0160, 2V(Meas)=46-76.

Pleochroism (x):

pale rose yellow.

Pleochroism (y):

rose yellow.

Pleochroism (z):

rose yellow.

Calculated Properties of Yuksporite

Electron Density:

r_electron=2.78 gm/cc
note: r_Yuksporite=2.85 gm/cc.

Fermion Index

Fermion Index = 0.02698
Boson Index = 0.97302

Photoelectric:

PE_Yuksporite= 27.50 barns/electron
U=PE_Yuksporite x r_electron= 76.57 barns/cc.

Radioactivity:

GRapi = 86.57 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Yuksporite - barely detectable

Yuksporite Classification

Dana Class:

66.3.1.5 (66)Inosilicate Double-Width Unbranched Chains, W=2

(66.3)with chains P>2

(66.3.1)P=3

66.3.1.1 Xonotlite Ca6Si6O17(OH)2 P 2/a 2/m

66.3.1.2 Zorite Na6Ti5[Si12O34](O,OH)5·11(H2O) C mmm 2/m 2/m 2/m

66.3.1.3 Eudidymite NaBeSi3O7(OH) C 2/c 2/m

66.3.1.4 Epididymite NaBeSi3O7(OH) Pnam 2/m 2/m 2/m

66.3.1.5 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

66.3.1.6 Haineaultite! (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8·5(H2O) C 222 2 2 2

66.3.1.7 IMA2004-052! Ca3Ti5[(Si6O17)2|O(OH)4]·14(H2O) C mmm 2/m 2/m 2/m

Strunz Class:

VIII/F.35-40 VIII - Silicates

VIII/F - Inosilicates (chain and band) complex chain structure. Cylindric chains and others

VIII/F.35 - Ashcroftine-(Y) series

VIII/F.35-10 Canasite (Na,K)6Ca5Si12O30(OH,F)4 C 2/m 2/m

VIII/F.35-20 Frankamenite! K3Na3Ca5(Si12O30)[F,(OH)]4·(H2O) P1 1

VIII/F.35-30 Miserite K(Ca,Ce)5[Si8O22](OH,F)2 P1 1

VIII/F.35-40 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

VIII/F.35-50 Charoite K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)·3(H2O) P*/4 ((pseudo Ortho) 2/m

VIII/F.35-60 Eveslogite! (Ca,K,Na,Sr,Ba)48[(Ti,Nb,Fe,Mn)12(OH)12Si48O144](F,OH,Cl)14 P 2/m 2/m

Other Yuksporite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990, AmMin, 89:253 & 89:1561) OPTIC PROP.(Dana8)

Search for Yuksporite using:

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

Visit our Advertisers for Yuksporite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Yuksporite Mineral Data :

Ask about Yuksporite 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 Yuksporite Specimen Label here :

Yuksporite

(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: 66.3.1.5 Strunz No: VIII/F.35-40
Locality:

Notes: