Calzirtite Mineral Data

Calzirtite Mineral Data

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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

Images:

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

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

By Intensity(I/I_o): 1.801(1), 2.945(1), 1.537(0.9),

Crystal Structure:

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Sinclair W , Eggleton R A , McLaughlin G M , American Mineralogist , 71 (1986) p.815-818, Structure refinement of calzirtite from Jacupiranga, Brazil

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:

r_electron=4.76 gm/cc
note: r_Calzirtite=5.14 gm/cc.

Fermion Index

Fermion Index = 0.07321
Boson Index = 0.92679

Photoelectric:

PE_Calzirtite= 77.81 barns/electron
U=PE_Calzirtite x r_electron= 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

Other Calzirtite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Calzirtite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Translate Calzirtite Mineral Data :

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

Calzirtite

CaZr3TiO9
Dana No: 8.7.4.1 Strunz No: IV/D.31-30
Locality:

Notes: