Sabinaite Mineral Data

General Sabinaite Information

Chemical Formula:

(Na,Ca)4Zr2Ti(CO3)4O4

Composition:

Molecular Weight = 634.87 gm

Sodium 12.67 % Na 17.08 % Na₂O

Calcium 3.16 % Ca 4.42 % CaO

Zirconium 28.74 % Zr 38.82 % ZrO₂

Titanium 7.54 % Ti 12.58 % TiO₂

Carbon 7.57 % C 27.73 % CO₂

Oxygen 40.32 % O

______ ______

100.00 % 100.63 % = TOTAL OXIDE

Empirical Formula:

Na_3.5Ca_0.5Zr₂Ti(CO₃)₄O₄

Environment:

Dawsonite-rich sill.

IMA Status:

Approved IMA 1980

Locality:

St. Michel, Montreal Island, Canada. Link to MinDat.org Location Data.

Name Origin:

Named for Ann Phyllis Sabina Stenson (1930-), mineralogist, Geological Survey of Canada.

Name Pronunciation:

Sabinaite + Pronunciation

Synonym:

ICSD 82488

IMA1978-071

PDF 36-414

Sabinaite Image

Images:

Sabinaite

Comments: White, prismatic crystals of sabinaite on matrix.
Location: Poudrette quarry, Mont St Hilaire, Rouville county, Quebec. Scale: 4.5 x 3.8 x 3 cm.
© Fabre Minerals

Sabinaite Crystallography

Axial Ratios:

a:b:c =1.5357:1:2.7141

Cell Dimensions:

a = 10.171, b = 6.623, c = 17.976, Z = 4; beta = 94.32° V = 1,207.47 Den(Calc)= 3.49

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

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

By Intensity(I/I_o): 8.96(1), 2.99(0.5), 3.251(0.5),

Crystal Structure:

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McDonald A M , The Canadian Mineralogist , 34 (1996) p.811-815, The crystal structure of sabinaite, Na4Zr2TiO4(CO3)4

Physical Properties of Sabinaite

Cleavage:

{001} Perfect, {100} Distinct

Color:

Colorless, White, Light yellow.

Density:

3.36

Habit:

Powdery - Forms a loose, poorly-coherent pulverulent mass.

Luster:

Earthy (Dull)

Streak:

white

Optical Properties of Sabinaite

Gladstone-Dale:

CI meas= -0.028 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.01 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2292,KPDmeas= 0.2381,KC= 0.2316
Ncalc = 1.78 - 1.81

Optical Data:

Biaxial (-), a=1.72-1.74, b=1.79-1.8, g=1.85-1.9, bire=0.1300-0.1600, 2V(Calc)=80-82, 2V(Meas)=85. Dispersion r > v.

Calculated Properties of Sabinaite

Electron Density:

Bulk Density (Electron Density)=3.33 gm/cc
note: Specific Gravity of Sabinaite =3.49 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_Sabinaite= 40.72 barns/electron
U=PE_Sabinaite x rElectron Density= 135.42 barns/cc.

Radioactivity:

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

Sabinaite Classification

Dana Class:

16a.05.04.01 (16a)Carbonates - Hydroxyl or Halogen

(16a.05)with miscellaneous formulae

(16a.05.04)Dana Group

16a.05.04.01 Sabinaite (Na,Ca)4Zr2Ti(CO3)4O4 C 2/c 2/m

Strunz Class:

05.BB.20 05 - CARBONATES (NITRATES)

05.B - Carbonates with additional anions, without H2O

05.BB -With alkalies, etc.

05.BB.20 Sabinaite (Na,Ca)4Zr2Ti(CO3)4O4 C 2/c 2/m

Other Sabinaite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)

See Also:

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

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Ask about Sabinaite 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 Sabinaite Specimen Label here :

Sabinaite

(Na,Ca)4Zr2Ti(CO3)4O4
Dana No: 16a.05.04.01 Strunz No: 05.BB.20
Locality:

Notes: