Haineaultite Mineral Data

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General Haineaultite Information

Chemical Formula:

(Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8•5(H2O)

Composition:

Molecular Weight = 1,557.11 gm

Potassium 1.78 % K 2.15 % K₂O

Sodium 3.56 % Na 4.80 % Na₂O

Calcium 7.28 % Ca 10.19 % CaO

Magnesium 0.05 % Mg 0.08 % MgO

Zirconium 0.23 % Zr 0.32 % ZrO₂

Titanium 11.56 % Ti 19.29 % TiO₂

Manganese 0.21 % Mn 0.27 % MnO

Niobium 4.00 % Nb 5.72 % Nb₂O₅

Iron 0.39 % Fe 0.51 % FeO

Silicon 20.38 % Si 43.60 % SiO₂

Hydrogen 1.16 % H 10.33 % H₂O

Sulfur 1.07 % S 2.41 % S₂O₅

Oxygen 48.15 % O

Fluorine 0.17 % F 0.17 % F

- % F -0.07 % -O=F₂

______ ______

100.00 % 99.76 % = TOTAL OXIDE

Empirical Formula:

Na_2.41Ca_1.83K_0.71CaTi_3.76Nb_0.67Fe²⁺_0.11Mn²⁺_0.06Zr_0.04Mg_0.03Si_11.3S_0.52O₃₄(OH)_7.86F_0.14·5(H₂O)

Environment:

Found in altered marble xenoliths. A monoclinic polymorph of zorite

IMA Status:

Approved IMA 1997 (Dana # Added)

Locality:

Poudrette Quarry, Mout Saint-Hilaire, Rouville County, Quebec, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for Gilles Haineault (1946-), collector and dealer in Mont Saint-Hilaire minerals. (prounounced ¯a ¯n ¯o ite)

Synonym:

IMA1997-015

Haineaultite Image

Images:

Haineaultite

Comments: Transparent, yellow crystals to 5 mm of haineaultite on matrix.
Location: Mont St. Hilaire, Quebec, Canada. Scale: Picture size 1.5 cm.
© Rob Lavinsky

Haineaultite Crystallography

Axial Ratios:

a:b:c =0.3111:1:0.3002

Cell Dimensions:

a = 7.204, b = 23.155, c = 6.953, Z = 1; V = 1,159.82 Den(Calc)= 2.23

Crystal System:

Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: C 222

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

By Intensity(I/I_o): 11.564(1)(020), 6.932(0.9)(001,110), 3.052(0.75)(240),2.977(0.7)(042), 2.582(0.4)(152,062), 4.446(0.4)(041), 5.258(0.4)(130),

Crystal Structure:

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McDonald A M , Chao G Y , The Canadian Mineralogist , 42 (2004) p.769-780, Haineaultite, a new hydrated sodium calcium titanosilicate from, Mont Saint-Hilaire, Quebec: Description, structure determination and genetic implications, Locality: Mont Saint-Hilaire, Quebec, Canada

Physical Properties of Haineaultite

Cleavage:

{100} Distinct, {010} Distinct, {001} Distinct

Color:

Pale brown, Brown, Orange yellow.

Diaphaneity:

Transparent to translucent

Fracture:

Brittle - Splintery - Brittle fracture leaving splintery fragments.

Habit:

Fan Shaped - Occurs as radiating crystals shaped like a fan.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

3-4 - Calcite-Fluorite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Haineaultite

Gladstone-Dale:

CI calc= -0.121 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2848,KC= 0.2541
Ncalc = 1.57

Optical Data:

Biaxial (+), a=1.599, b=1.61, g=1.696, bire=0.0970, 2V(Calc)=42, 2V(Meas)=38-41. Dispersion 38.

Calculated Properties of Haineaultite

Electron Density:

Bulk Density (Electron Density)=2.22 gm/cc
note: Specific Gravity of Haineaultite =2.23 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Haineaultite= 10.03 barns/electron
U=PE_Haineaultite x r_electron= 22.23 barns/cc.

Radioactivity:

GRapi = 25.55 (Gamma Ray American Petroleum Institute Units)
Concentration of Haineaultite per GRapi unit = 3.91 (%)

Estimated Radioactivity from Haineaultite - barely detectable

Haineaultite Classification

Dana Class:

66.03.01.06 (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.50 09 - SILICATES (Germanates)

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

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

09.DG.50 Haineaultite! (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8•5(H2O) C 222 2 2 2

Other Haineaultite Information

References:

NAME( CanMin, v 43, p 769) PHYS. PROP.(CanMin, v 43, p 769) OPTIC PROP.(CanMin, v 43, p 769)

See Also:

Links to other databases for Haineaultite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Haineaultite

(Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8•5(H2O)
Dana No: 66.03.01.06 Strunz No: 09.DG.50
Locality:

Notes: