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Zirconolite-3O Mineral Data

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General Zirconolite-3O Information

Help on Chemical  Formula: Chemical Formula: (Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7
Help on Composition: Composition: Molecular Weight = 385.57 gm
   Calcium     9.35 %  Ca   13.09 % CaO
   Yttrium     0.46 %  Y     0.59 % Y2O3
   Thorium     3.61 %  Th    4.11 % ThO2
   Zirconium  26.03 %  Zr   35.15 % ZrO2
   Titanium   13.66 %  Ti   22.79 % TiO2
   Niobium    12.05 %  Nb   17.23 % Nb2O5
   Iron        5.79 %  Fe    1.86 % FeO /  6.21 % Fe2O3
   Oxygen     29.05 %  O
             ______        ______ 
             100.00 %      101.04 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.9Fe2+0.1Y0.02Th0.06Zr1.1Fe3+0.3Ti1.1Nb0.5O7
Help on Environment: Environment: In sanidinite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1828
Help on Locality: Locality: Monte di Procida, Campi Felgrei, Campania, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its composition.
Help on Name Pronunciation: Name Pronunciation: Zirconolite-3O + Pronunciation Say ZIRCONOLITE-3O
 

Zirconolite-3O Image

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  Zirconolite-3O

Comments: Brown needles of zirconolite-3O in quartz matrix.
Location: In den Dellen, Mendig, Laacher See, Eifel, Germany. Scale: Specimen Size < 1x1 cm.
© Diederik Visser

Zirconolite-3O Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7173:1:0.5144
Help on Cell Dimensions: Cell Dimensions: a = 10.148, b = 14.147, c = 7.278, Z = 8; V = 1,044.86 Den(Calc)= 4.90
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C mca
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.97(1), 1.82(0.5), 1.55(0.4),2.57(0.3), 1.18(0.2), 1.05(0.1), 1.15(0.1), 1.49(0.1),
 

Physical Properties of Zirconolite-3O

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Dark red, Brown.
Help on Density: Density: 4.7
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Resinous
Help on Streak: Streak: dark brown
 

Optical Properties of Zirconolite-3O

Help on Optical Data: Optical Data: Biaxial (?)
  NCalc= 2.31 - from Gladstone-Dale relationship (KC = 0.2683) where Ncalc=Dcalc*KC+1
NCalc= 2.26 - from Gladstone-Dale relationship (KC = 0.2683) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Zirconolite-3O

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.56 gm/cc
note: Specific Gravity of Zirconolite-3O =4.90 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PEZirconolite-3O = 141.90 barns/electron
U=PEZirconolite-3O x relectron= 646.62 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 71,633.85 (Gamma Ray American Petroleum Institute Units)
Concentration of Zirconolite-3O per GRapi unit = 13.96 (PPM)

Zirconolite-3O is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 424.61 ±106.15 grams of pure Zirconolite-3O .

Estimated Radioactivity from Zirconolite-3O - weak
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 7.30 cm 1,617,641 4.37E-05 71,633.85 23.55
100 gm / 3.39 cm 161,764 4.37E-06 7,163.39 2.36
10 gm / 1.57 cm 16,176 4.37E-07 716.34 0.24
1 gm / 7.30 mm 1,618 4.37E-08 71.63 0.02
0.1 gm / 3.39 mm 162 4.37E-09 7.16 0.00
0.01 gm / 1.57 mm 16 4.37E-10 0.72 0.00
0.001 gm / 0.73 mm 2 4.37E-11 0.07 0.00

Weight of pure Zirconolite-3O in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.90 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
 

Zirconolite-3O Classification

Help on  Dana Class: Dana Class: 08.02.05.02 (08)Multiple Oxides with Nb, Ta, and Ti
  (08.02)where (A)2 (B2O6) (O,OH,F)
  (08.02.05)Zirconolite Group
 
08.02.05.01 Zirkelite (Ca,Th,Ce)Zr(Ti,Nb)2O7 F m3m 4/m 3 2/m
 
08.02.05.02 Zirconolite-3O (Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7 C mca 2/m 2/m 2/m
 
08.02.05.03 Zirconolite-2M CaZrTi2O7 C 2/c 2/m
 
08.02.05.04 Zirconolite-3T CaZrTi2O7 P 312 3 2
 
08.02.05.05 Zirconolite (Ca,Ce)Zr(Ti,Nb,Fe)2O7 None
Help on  Strunz Class: Strunz Class: 04.DH.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DH -With large (� medium-sized) cations; sheets of edge-sharing octahedra
 
04.DH.30 Zirconolite-3O (Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7 C mca 2/m 2/m 2/m
 
04.DH.30 Zirconolite-3T CaZrTi2O7 P 312 3 2
 
04.DH.30 Zirconolite-2M CaZrTi2O7 C 2/c 2/m
 
04.DH.30 Zirconolite (Ca,Ce)Zr(Ti,Nb,Fe)2O7 None
 

Other Zirconolite-3O Information

Help on References: References: NAME( Dana8) PHYS. PROP.(MinRec)
Help on See Also: See Also: Links to other databases for Zirconolite-3O :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Print or Cut-and-Paste your Zirconolite-3O Specimen Label here :

Zirconolite-3O

(Ca,Fe,Y,Th)2Fe(Ti,Nb)3Zr2O7
Dana No: 08.02.05.02 Strunz No: 04.DH.30
Locality:

 

Notes:

 

 
   
 


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