Mineralogy Database

Baddeleyite Mineral Data

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General Baddeleyite Information

Help on Chemical  Formula: Chemical Formula: ZrO2
Help on Composition: Composition: Molecular Weight = 123.22 gm
   Zirconium  74.03 %  Zr  100.00 % ZrO2
   Oxygen     25.97 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: ZrO2
Help on Environment: Environment: Gem gravels and high temperature veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1892
Help on Locality: Locality: Caldas, Minas Gerais and Jacupiranga, Sao Paulo, Brazil. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Joseph Baddeley, who first called attention to the Sri Lankan material.
Help on Name Pronunciation: Name Pronunciation: Baddeleyite + Pronunciation Say BADDELEYITE
Help on Synonym: Synonym: ICSD 18190
  PDF 37-1484

Baddeleyite Image

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Comments: Single crystal specimen of very rare baddeleyite pseudomorphing kimzeyite (garnet).
Location: Perovskite Hill, Magnet Cove, Arkansas, USA. Scale: 0.9 X 1.0 cm.
© John Veevaert

Baddeleyite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9893:1:1.0216
Help on Cell Dimensions: Cell Dimensions: a = 5.1477, b = 5.203, c = 5.3156, Z = 4; beta = 99.38° V = 140.47 Den(Calc)= 5.83
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.16(1), 2.826(0.8), 2.611(0.6),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 2) ( 0 1 1) ( 1 0 2) ( 1 0 0) ( 1 1 0) ( 0 0 1)

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Physical Properties of Baddeleyite

Help on Cleavage: Cleavage: {001} Distinct
Help on Color: Color: Brown, Brownish black, Colorless, Green, Greenish brown.
Help on Density: Density: 5.5 - 6, Average = 5.75
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white

Optical Properties of Baddeleyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.033 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.046 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2013,KPDmeas= 0.2041,KC= 0.211
Ncalc = 2.16 - 2.27
Help on Optical Data: Optical Data: Biaxial (-), a=2.13, b=2.19, g=2.2, bire=0.0700, 2V(Calc)=42, 2V(Meas)=30. Dispersion strong, r > v.

Calculated Properties of Baddeleyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.23 gm/cc
note: Specific Gravity of Baddeleyite =5.75 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.08
Boson Index = 0.92
Help on Photoelectric: Photoelectric: PEBaddeleyite = 104.65 barns/electron
U=PEBaddeleyite x rElectron Density= 546.95 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Baddeleyite is Not Radioactive

Baddeleyite Classification

Help on  Dana Class: Dana Class: (04)Simple Oxides
  (04.04)with a cation charge of 4+ (A++++ O2)
  (04.04.14)Dana Group Baddeleyite ZrO2 P 21/c 2/m IMA2007-058! TiO2 P 21/c 2/m
Help on  Strunz Class: Strunz Class: 04.DE.35 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DE -With medium-sized cations; with various polyhedra
04.DE.35 Baddeleyite ZrO2 P 21/c 2/m
04.DE.35 IMA2007-058! TiO2 P 21/c 2/m

Other Baddeleyite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Baddeleyite :
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

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Dana No: Strunz No: 04.DE.35





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