Zorite Mineral Data

General Zorite Information

Chemical Formula:

Na6Ti5[Si12O34](O,OH)5•11(H2O)

Composition:

Molecular Weight = 1,538.53 gm

Sodium 8.97 % Na 12.09 % Na₂O

Titanium 15.56 % Ti 25.96 % TiO₂

Silicon 21.91 % Si 46.86 % SiO₂

Hydrogen 1.57 % H 14.05 % H₂O

Oxygen 52.00 % O

______ ______

100.00 % 98.96 % = TOTAL OXIDE

Empirical Formula:

Na₆Ti₅Si₁₂O₃₇(OH)₂•11(H₂O)

Environment:

Fractures and cavities in alkalic pegmatite.

IMA Status:

Approved IMA 1973

Locality:

Jubilee pegmatite, Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.

Name Origin:

Named from the Russian for "rosy tint of the dawn sky."

Name Pronunciation:

Zorite

Synonym:

ICSD 200920

PDF 25-1298

Zorite Image

Images:

Zorite

Comments: Pale pink translucent spherical zorite crystal aggregate on dark green aegirine.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Zorite Crystallography

Axial Ratios:

a:b:c =3.2109:1:0.9609

Cell Dimensions:

a = 23.241, b = 7.238, c = 6.955, Z = 1; V = 1,169.96 Den(Calc)= 2.18

Crystal System:

Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C mmm

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

By Intensity(I/I_o): 6.9(1), 3.38(0.8), 11.6(0.8),

Physical Properties of Zorite

Cleavage:

{010} Perfect, {001} Perfect, {110} Good

Color:

Pink.

Density:

2.36

Hardness:

3-4 - Calcite-Fluorite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Zorite

Optical Data:

Biaxial (?)

NCalc= 1.59 - from Gladstone-Dale relationship (KC = 0.2702) where Ncalc=Dcalc*KC+1
NCalc= 1.64 - from Gladstone-Dale relationship (KC = 0.2702) where Ncalc=Dmeas*KC+1

Pleochroism (x):

rose.

Pleochroism (y):

colorless.

Pleochroism (z):

bluish.

Calculated Properties of Zorite

Electron Density:

Bulk Density (Electron Density)=2.18 gm/cc
note: Specific Gravity of Zorite =2.18 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_Zorite= 3.52 barns/electron
U=PE_Zorite x rElectron Density= 7.66 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zorite is Not Radioactive

Zorite Classification

Dana Class:

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

(66.03)with chains P>2

(66.03.01)P=3

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

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

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

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

66.03.01.05 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

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

66.03.01.07 Chivruaiite! Ca4(Ti,Nb)5[(Si6O17)2[(OH,O)5]•13-14H2O C mmm 2/m 2/m 2/m

Strunz Class:

09.DG.45 09 - SILICATES (Germanates)

09.D - Inosilicates* Structural terminology according to Liebau (1985)

09.DG -Inosilicates with 3-periodic single and multiple chains

09.DG.45 Zorite Na6Ti5[Si12O34](O,OH)5•11(H2O) C mmm 2/m 2/m 2/m

09.DG.45 Chivruaiite! Ca4(Ti,Nb)5[(Si6O17)2[(OH,O)5]•13-14H2O C mmm 2/m 2/m 2/m

Other Zorite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Zorite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Zorite

Na6Ti5[Si12O34](O,OH)5•11(H2O)
Dana No: 66.03.01.02 Strunz No: 09.DG.45
Locality:

Notes:

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