Ordonezite Mineral Data

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.

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 DipyramidalH-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),

Crystal Structure:

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Ercit T S , Foord E E , Fitzpatrick J J , The Canadian Mineralogist , 40 (2002) p.1207-1210, Ordo¤ezite from the Theodoso Soto Mine, Sapioris, Durango, Mexico:, New data and structure refinement, Locality: Theodoso Soto Mine, Sapioris, Durango, Mexico

Physical Properties of Ordonezite

Cleavage:

None

Color:

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

Density:

6.635

Diaphaniety:

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

Optical Data:

Uniaxial (+), e=1.95.

Calculated Properties of Ordonezite

Electron Density:

r_electron=5.90 gm/cc
note: r_Ordonezite=6.64 gm/cc.

Fermion Index

Fermion Index = 0.00673
Boson Index = 0.99327

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ordonezite is Not Radioactive

Ordonezite Classification

Dana Class:

44.2.1.2 (44)Antimonates

(44.2)A (X2 O6)

(44.2.1)Dana Group

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

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

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

Strunz Class:

IV/D.04-60 IV - Oxides

IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds)

IV/D.04 - Tapiolite group

IV/D.04-10 Ferrotapiolite (Fe,Mn)(Ta,Nb)2O6 P 4₁/mnm 4/m 2/m 2/m

IV/D.04-20 Manganotapiolite (Mn,Fe)(Ta,Nb)2O6 P 4₁/mnm 4/m 2/m 2/m

IV/D.04-40 Bystromite MgSb2O6 P 4₁/mnm 4/m 2/m 2/m

IV/D.04-50 Tripuhyite FeSbO4 P 4₁/mnm 4/m 2/m 2/m

IV/D.04-60 Ordonezite ZnSb2O6 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 -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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Print or Cut-and-Paste your Ordonezite Specimen Label here :

Ordonezite

ZnSb2O6
Dana No: 44.2.1.2 Strunz No: IV/D.04-60
Locality:

Notes: