[Zirconium (Zr)] [Index] 

  Here are some zirconium composing information
•Zircon
Table 13-General Zircon Information

General Zircon Information
Chemical Formula:
ZrSiO4
Composition:
Molecular Weight = 183.31 gm
Zirconium 49.77 % Zr 67.22 % ZrO2
Silicon 15.32 % Si 32.78 % SiO2
Oxygen 34.91 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
ZrSiO4
Environment:
Magmatic, metamorphic, pegmatitic, and alluvial rocks..
IMA Status:
Valid Species (Pre-IMA) Prehistoric
Locality:
Laacher See, Niedermendig, Germany. Link to MinDat.org Location Data.
Name Origin:
Named from its containing the element, zirconium; which was named from the Arabic, zargun = "gold color."
Synonym:
Cyrtolite
Hyacinth - orange red
ICSD 71943
Jarcon - colorless
Malacon
PDF 6-266

Zircon Image
Zircon
Comments: Clear, crystalline zircon prism with pyramidal termination.
Location: Laacher See, Rhineland-Palatinate, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals


Zircon Perrierite-(Ce) Pyrochlore Loparite-(Ce)
Comments: Reddish black perrierite crystal, with orange-brown pyrochlore crystal, yellow-brown zircon, and grayish-black loparite.
Location: Buer, Bjorkedalen, Langesundfjord, Telemark, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species


Zircon
Comments: Deep red-wine colored, lustrous, internally bright zircon crystals in matrix.
Location: Thorfjord, Seiland, Alta, Norway. Scale: 13 x 10.5 x 9 cm.
© Rob Lavinsky


Zircon
Comments: Cathodoluminescence image of earth's oldest-known mineral (zircon grain - W74/2-36) with inset concordia plot showing the 4,404 billion year old region. Note the oscillatory zoning in the outer rim. Image by John W. Valley.
Location: Interlayered red quartzites and metaconglomerates, Jack Hills, Western Australia. Scale: See Image.
© University of Wisconsin


Zircon Crystallography
Axial Ratios:
a:c = 1:0.90536
Cell Dimensions:
a = 6.604, c = 5.979, Z = 4; V = 260.76 Den(Calc)= 4.67
Crystal System:
Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: I 41/amd
X Ray Diffraction:
By Intensity(I/Io): 3.3(1), 2.518(0.45), 4.43(0.45),

Forms:
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Forms: [ 3 3 1] [ 1 1 0] [ 1 1 1]
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Physical Properties of Zircon
Cleavage:
[110] Indistinct
Color:
Brown, Reddish brown, Colorless, Gray, Green.
Density:
4.6 - 4.7, Average = 4.65
Diaphaniety:
Transparent to translucent to opaque
Fracture:
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Habit:
Crystalline - Fine - Occurs as well-formed fine sized crystals.
Habit:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
7.5 - Garnet
Luminescence:
Fluorescent and radioactive, Short UV=yellow, Long UV=dull red.
Luster:
Adamantine
Streak:
white

Optical Properties of Zircon
Dichroism (e):
colorless.
Dichroism (w):
colorless.
Gladstone-Dale:
CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.016 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2067,KPDmeas= 0.2076,KC= 0.21
Optical Data:
Uniaxial (-), e=1.92-1.96, w=1.967-2.015, bire=0.0470-0.0550.

Calculated Properties of Zircon
Electron Density:
relectron=4.36 gm/cc
note: rZircon =4.65 gm/cc.
Fermion Index
Fermion Index = 0.06315
Boson Index = 0.93685
Photoelectric:
PEZircon = 68.77 barns/electron
U=PEZircon x relectron= 300.07 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zircon is Not Radioactive

Zircon Classification
Dana Class:
51.5.2.1 (51)Nesosilicate Insular SiO4 Groups Only
(51.5)with cations in >[6] coordination
(51.5.2)Zircon group
51.5.2.1 Zircon ZrSiO4 I 41/amd 4/m 2/m 2/m
51.5.2.2 Hafnon HfSiO4 I 41/amd 4/m 2/m 2/m
51.5.2.3 Thorite ThSiO4 I 41/amd 4/m 2/m 2/m
51.5.2.4 Coffinite U(SiO4)1-x(OH)4x I 41/amd 4/m 2/m 2/m
51.5.2.5 Thorogummite Th(SiO4)1-x(OH)4x I 41/amd 4/m 2/m 2/m
Strunz Class:
VIII/A.09-10 VIII - Silicates
VIII/A - Nesosilicates with [SiO4]4-groups, cations of octahedral and cubic orientation [8+6]
VIII/A.09 - Zircon - Thorogummite series
VIII/A.09-05 Reidite! ZrSiO4 I 41/a 4/m
VIII/A.09-10 Zircon ZrSiO4 I 41/amd 4/m 2/m 2/m
VIII/A.09-20 Hafnon HfSiO4 I 41/amd 4/m 2/m 2/m
VIII/A.09-30 Thorite ThSiO4 I 41/amd 4/m 2/m 2/m
VIII/A.09-40 Coffinite U(SiO4)1-x(OH)4x I 41/amd 4/m 2/m 2/m
VIII/A.09-50 Thorogummite Th(SiO4)1-x(OH)4x I 41/amd 4/m 2/m 2/m

•Baddeleyite
Table 14-General Baddeleyite Information

General Baddeleyite Information
Chemical Formula:
ZrO2
Composition:
Molecular Weight = 123.22 gm
Zirconium 74.03 % Zr 100.00 % ZrO2
Oxygen 25.97 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
ZrO2
Environment:
Gem gravels and high temperature veins.
IMA Status:
Valid Species (Pre-IMA) 1892
Locality:
Caldas, Minas Gerais and Jacupiranga, Sao Paulo, Brazil. Link to MinDat.org Location Data.

Name Origin:
For Joseph Baddeley, who first called attention to the Sri Lankan material.
Synonym:
ICSD 18190
PDF 37-1484

Baddeleyite Image
Baddeleyite
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
Axial Ratios:
a:b:c =0.9893:1:1.0216
Cell Dimensions:
a = 5.1477, b = 5.203, c = 5.3156, Z = 4; beta = 99.38° V = 140.47 Den(Calc)= 5.83
Crystal System:
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c

X Ray Diffraction:
By Intensity(I/Io): 3.16(1), 2.826(0.8), 2.611(0.6),
Forms:
Mouse
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Drag1 - Manipulate Crystal
Drag2 - Resize
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S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
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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
Cleavage:
[001] Distinct
Color:
Brown, Brownish black, Colorless, Green, Greenish brown.
Density:
5.5 - 6, Average = 5.75
Diaphaniety:
Transparent to translucent
Fracture:
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Habit:
Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
6.5 - Pyrite
Luster:
Adamantine
Streak:
white

Optical Properties of Baddeleyite
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
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
Electron Density:
&#-3982;electron=5.23 gm/cc
note: &#-3982;Baddeleyite =5.75 gm/cc.
Fermion Index
Fermion Index = 0.08318
Boson Index = 0.91682
Photoelectric:
PEBaddeleyite = 104.65 barns/electron
U=PEBaddeleyite x &#-3982;electron= 546.95 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Baddeleyite is Not Radioactive

Baddeleyite Classification
Dana Class:
4.4.14.1 (4)Simple Oxides
(4.4)with a cation charge of 4+ (A++++ O2)
(4.4.14)Dana Group
4.4.14.1 Baddeleyite ZrO2 P 21/c 2/m
Strunz Class:
IV/D.31-10 IV - Oxides
IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)
IV/D.31 - Badleyite - Uraninite series
IV/D.31-10 Baddeleyite ZrO2 P 21/c 2/m
IV/D.31-20 Tazheranite CaTiZr2O8 F m3m 4/m 3 2/m
IV/D.31-30 Calzirtite CaZr3TiO9 P bca 2/m 2/m 2/m
IV/D.31-35 Hiarneite! (Ca,Mn,Na)2(Zr,Mn)5(Sb,Ti,Fe)2O16 I 41/acd 4/m 2/m 2/m
IV/D.31-40 Cerianite-(Ce) (Ce,Th)O2 F m3m 4/m 3 2/m
IV/D.31-50 Thorianite ThO2 F m3m 4/m 3 2/m
IV/D.31-60 Uraninite UO2 F m3m 4/m 3 2/m

•Wadeite
Table 15-General Wadeite Information
General Wadeite Information
Chemical Formula:
K2ZrSi3O9
Composition:
Molecular Weight = 397.67 gm
Potassium 19.66 % K 23.69 % K2O
Zirconium 22.94 % Zr 30.99 % ZrO2
Silicon 21.19 % Si 45.33 % SiO2
Oxygen 36.21 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
K2ZrSi3O9
Environment:
Leucite-bearing volcanic rocks, carbonitite veins and nepheline syenite pegmatites.
IMA Status:
Valid Species (Pre-IMA) 1939
Locality:
Wolgidee Hills, West Kimberly area, WA, Australia. Link to MinDat.org Location Data.

Name Origin:
Named for Arthur Wade (1878-1951), Australian geologist who collected the mineral.
Synonym:
ICSD 200082
PDF 43-231

Wadeite Image
Wadeite
Comments: Sharp hexagonal crystal of wadeite with included dark green aegirine.
Location: Mt. Kukisvumchurr, Khibiny Massif (Russia). Scale: 12x10x6 mm.
© Richard Dale / Dale Minerals


Wadeite Crystallography
Axial Ratios:
a:c = 1:1.47569
Cell Dimensions:
a = 6.893, c = 10.172, Z = 2; V = 418.56 Den(Calc)= 3.16
Crystal System:
Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 63/m
X Ray Diffraction:
By Intensity(I/Io): 2.85(1), 3.85(0.8), 5.97(0.6),

Physical Properties of Wadeite
Cleavage:
None
Color:
Colorless, Violet, Light lilac, Pink.
Density:
3.1 - 3.13, Average = 3.11
Diaphaniety:
Transparent
Fracture:
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Habit:
Hexagonal - Six-sided crystal shape in cross-section or habit.
Habit:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luster:
Adamantine
Magnetism:
Nonmagnetic
Streak:
white

Optical Properties of Wadeite
Gladstone-Dale:
CI meas= 0.002 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.016 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2027,KPDmeas= 0.2056,KC= 0.2061
Optical Data:
Uniaxial (+), w=1.624-1.627, e=1.653-1.658, bire=0.0290-0.0310.

Calculated Properties of Wadeite
Electron Density:
relectron=3.01 gm/cc
note: rWadeite =3.12 gm/cc.
Fermion Index
Fermion Index = 0.03583
Boson Index = 0.96417
Photoelectric:
PEWadeite = 33.37 barns/electron
U=PEWadeite x relectron= 100.38 barns/cc.
Radioactivity:
GRapi = 273.96 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Wadeite - barely detectable

Wadeite Classification
Dana Class:
59.1.1.4 (59)Cyclosilicate Three-Membered Rings
(59.1)anhydrous, no other anions
(59.1.1)Benitoite group
59.1.1.1 Bazirite BaZrSi3O9 P 6m2 6 m2
59.1.1.2 Benitoite BaTiSi3O9 P 6c2 6 m2
59.1.1.3 Pabstite Ba(Sn,Ti)Si3O9 P 6c2 6 m2
59.1.1.4 Wadeite K2ZrSi3O9 P 63/m 6/m
Strunz Class:
VIII/E.01-40 VIII - Silicates
VIII/E - Cyklosilicates, triplet rings [Si3O9]6-
VIII/E.01 - Benitoite series
VIII/E.01-10 Benitoite BaTiSi3O9 P 6c2 6 m2
VIII/E.01-20 Pabstite Ba(Sn,Ti)Si3O9 P 6c2 6 m2
VIII/E.01-30 Bazirite BaZrSi3O9 P 6m2 6 m2
VIII/E.01-40 Wadeite K2ZrSi3O9 P 63/m 6/m

•Calzirtite
Table 16-General Calzirtite Information
General Calzirtite Information
Chemical Formula:
CaZr3TiO9
Composition:
Molecular Weight = 505.62 gm
Calcium 7.93 % Ca 11.09 % CaO
Zirconium 54.13 % Zr 73.11 % ZrO2
Titanium 9.47 % Ti 15.80 % TiO2
Oxygen 28.48 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
CaZr3TiO9
Environment:
A characteristic accessory mineral in alkalic and ultramafic complexes associated with carbonatites; typically found in residual soils and alluvium.
IMA Status:
Approved IMA 1961
Locality:
In Russia, from [the Gornoozerskii massif,] near lake Gornoe, Aldan, eastern Siberia. Link to MinDat.org Location Data.

Name Origin:
For CALcium and ZIR conium in its composition.
Synonym:
ICSD 32543
PDF 115-121

Calzirtite Image
Calzirtite Augite Richterite
Comments: Gray irregular grain of calzirtite (see arrow) in fibrous augite with dark red richterite.
Location: Jacupiranga Mine, Cajati, Sao Paulo, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species


Calzirtite Crystallography
Axial Ratios:
a:b:c =1:1:0.6653
Cell Dimensions:
a = 15.094, b = 15.094, c = 10.043, Z = 14; V = 2,288.08 Den(Calc)= 5.14
Crystal System:
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bca
X Ray Diffraction:
By Intensity(I/Io): 1.801(1), 2.945(1), 1.537(0.9),

Physical Properties of Calzirtite
Cleavage:
[???] Good
Color:
Brown green, Light brown, Light green, Dark brown, Black brown.
Density:
5.01
Diaphaniety:
Transparent to Subopaque
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Hardness:
6-7 - Orthoclase-Quartz
Luster:
Adamantine - Greasy
Streak:
white

Optical Properties of Calzirtite
Gladstone-Dale:
CI meas= -0.066 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.039 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.249,KPDmeas= 0.2555,KC= 0.2396
Optical Data:
Uniaxial (+), w=2.19-2.27, e=2.3-2.36, bire=0.0900-0.1100.

Calculated Properties of Calzirtite
Electron Density:
relectron=4.76 gm/cc
note: rCalzirtite =5.14 gm/cc.
Fermion Index
Fermion Index = 0.07321
Boson Index = 0.92679
Photoelectric:
PECalzirtite = 77.81 barns/electron
U=PECalzirtite x relectron= 370.20 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Calzirtite is Not Radioactive

Calzirtite Classification
Dana Class:
8.7.4.1 (8)Multiple Oxides with Nb, Ta, and Ti
(8.7)Dana Type
(8.7.4)Dana Group
8.7.4.1 Calzirtite CaZr3TiO9 P bca 2/m 2/m 2/m
8.7.4.2 Hiarneite! (Ca,Mn,Na)2(Zr,Mn)5(Sb,Ti,Fe)2O16 I 41/acd 4/m 2/m 2/m
Strunz Class:
IV/D.31-30 IV - Oxides
IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)
IV/D.31 - Badleyite - Uraninite series
IV/D.31-10 Baddeleyite ZrO2 P 21/c 2/m
IV/D.31-20 Tazheranite CaTiZr2O8 F m3m 4/m 3 2/m
IV/D.31-30 Calzirtite CaZr3TiO9 P bca 2/m 2/m 2/m
IV/D.31-35 Hiarneite! (Ca,Mn,Na)2(Zr,Mn)5(Sb,Ti,Fe)2O16 I 41/acd 4/m 2/m 2/m
IV/D.31-40 Cerianite-(Ce) (Ce,Th)O2 F m3m 4/m 3 2/m
IV/D.31-50 Thorianite ThO2 F m3m 4/m 3 2/m
IV/D.31-60 Uraninite UO2 F m3m 4/m 3 2/m