Ordonezite Mineral Data

General Ordonezite Information

Chemical Formula:

ZnSb2O6

Composition:

Molecular Weight = 404.89 gm

Zinc 16.15 % Zn 20.10 % ZnO

Antimony 60.14 % Sb 79.90 % Sb₂O₅

Oxygen 23.71 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

ZnSb₂O₆

IMA Status:

Valid Species (Pre-IMA) 1955

Locality:

Santin mine, Santa Catarina, Guanajuato, Mexico Link to MinDat.org Location Data.

Name Origin:

Named for Ezequiel Ordonez (1867-1950), Mexican geologist.

Name Pronunciation:

Ordonezite + Pronunciation

Synonym:

ICSD 30409

PDF 38-453

Ordonezite Image

Images:

Ordonezite

Comments: Greenish, glassy crystals of ordonezite.
Location: Santin mine, Guanajuato, Mexico. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Ordonezite Crystallography

Axial Ratios:

a:c = 1:1.98409

Cell Dimensions:

a = 4.652, c = 9.23, Z = 2; V = 199.75 Den(Calc)= 6.73

Crystal System:

Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4₁/mnm

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

By Intensity(I/I_o): 1.72(1), 3.26(0.9), 2.55(0.8),

Physical Properties of Ordonezite

Cleavage:

None

Color:

Colorless, Yellow green, Light brown, Dark brown, Olive green.

Density:

6.635

Diaphaneity:

Transparent

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Hardness:

6.5 - Pyrite

Luster:

Adamantine

Streak:

greenish gray

Optical Properties of Ordonezite

Gladstone-Dale:

CI meas= 0.07 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.083 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1412,KPDmeas= 0.1432,KC= 0.154
Ncalc = 2.02 - 2.04

Optical Data:

Uniaxial (+), e=1.95.

Calculated Properties of Ordonezite

Electron Density:

Bulk Density (Electron Density)=5.90 gm/cc
note: Specific Gravity of Ordonezite =6.64 gm/cc.

Fermion Index:

Fermion Index = 0.0067353911
Boson Index = 0.9932646089

Photoelectric:

PE_Ordonezite= 207.62 barns/electron
U=PE_Ordonezite x rElectron Density=1,224.87 barns/cc.

Radioactivity:

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

Ordonezite Classification

Dana Class:

44.02.01.02 (44)Antimonates

(44.02)A (X2 O6)

(44.02.01)Bystromite Group

44.02.01.01 Bystromite MgSb2O6 P 4₁/mnm 4/m 2/m 2/m

44.02.01.02 Ordonezite ZnSb2O6 P 4₁/mnm 4/m 2/m 2/m

44.02.01.03 Tripuhyite FeSbO4 P 4₁/mnm 4/m 2/m 2/m

Strunz Class:

04.DB.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DB -With medium-sized cations; chains of edge-sharing octahedra

04.DB.10 Bystromite MgSb2O6 P 4₁/mnm 4/m 2/m 2/m

04.DB.10 Tapiolite-(Fe) (Fe,Mn)(Ta,Nb)2O6 P 4₁/mnm 4/m 2/m 2/m

04.DB.10 Ordonezite ZnSb2O6 P 4₁/mnm 4/m 2/m 2/m

04.DB.10 Tapiolite-(Mn) (Mn,Fe)(Ta,Nb)2O6 P 4₁/mnm 4/m 2/m 2/m

04.DB.10 Tapiolite* (Fe,Mn)(Ta,Nb)2O6 P 4₁/mnm 4/m 2/m 2/m

Other Ordonezite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Ordonezite :
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
15 - WWW-MINCRYST

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

Ordonezite

ZnSb2O6
Dana No: 44.02.01.02 Strunz No: 04.DB.10
Locality:

Notes:

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