Haineaultite Mineral Data

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.

Diaphaniety:

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

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:

r_electron=2.22 gm/cc
note: r_Haineaultite=2.23 gm/cc.

Fermion Index

Fermion Index = 0.02527
Boson Index = 0.97473

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)

Estimated Radioactivity from Haineaultite - barely detectable

Haineaultite Classification

Dana Class:

66.3.1.6 (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.22-15 VIII - Silicates

VIII/F - Inosilicates (chain and band) Triplet chains [Si6O15/17]6-/10- and modified triplet bands

VIII/F.22 - Zorite - Tinaksite series

VIII/F.22-10 Zorite Na6Ti5[Si12O34](O,OH)5·11(H2O) C mmm 2/m 2/m 2/m

VIII/F.22-15 Haineaultite (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8·5(H2O) C 222 2 2 2

VIII/F.22-20 Tokkoite K2Ca4[Si7O18(OH)](F,OH) P1 1

VIII/F.22-30 Tinaksite K2Na(Ca,Mn)2(Ti,Fe)O[Si7O18(OH)] P1,P 1 Tri

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

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

Haineaultite

(Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8·5(H2O)
Dana No: 66.3.1.6 Strunz No: VIII/F.22-15
Locality:

Notes: