Odanielite Mineral Data

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General Odanielite Information

Chemical Formula:

Na(Zn,Mg)3H2(AsO4)3

Composition:

Molecular Weight = 607.12 gm

Sodium 3.79 % Na 5.10 % Na₂O

Magnesium 3.00 % Mg 4.98 % MgO

Zinc 24.23 % Zn 30.16 % ZnO

Arsenic 37.02 % As 56.79 % As₂O₅

Hydrogen 0.33 % H 2.97 % H₂O

Oxygen 31.62 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaZn_2.25Mg_0.75H₂(AsO₄)₃

Environment:

Secondary mineral in the oxidized zone of a dolostone-hosted hydrothermal polymetallic ore deposit.

IMA Status:

Approved IMA 1980

Locality:

Tsumeb, Namibia. Link to MinDat.org Location Data.

Name Origin:

Named for Herbert O’Daniel (1903-1977), Professor of Mineralogy, University of Munich, Munich, Germany, and Editor of Neues Jahrbuch fur Mineralogie.

Name Pronunciation:

Odanielite

Synonym:

O'danielite

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Odanielite Crystallography

Axial Ratios:

a:b:c =0.9734:1:0.5458

Cell Dimensions:

a = 12.11, b = 12.44, c = 6.79, Z = 4; beta = 112.87° V = 942.49 Den(Calc)= 4.28

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

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

By Intensity(I/I_o): 3.26(1), 6.22(1), 2.78(0.8),

Physical Properties of Odanielite

Color:

Violet.

Hardness:

3 - Calcite

Optical Properties of Odanielite

Gladstone-Dale:

CI calc= -0.046 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1773,KC= 0.1694
Ncalc = 1.73

Optical Data:

Biaxial (+), a=1.745, b=1.753, g=1.778, bire=0.0330, 2V(Calc)=60, 2V(Meas)=60.

Calculated Properties of Odanielite

Electron Density:

Bulk Density (Electron Density)=4.01 gm/cc
note: Specific Gravity of Odanielite =4.28 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Odanielite= 38.07 barns/electron
U=PE_Odanielite x rElectron Density= 152.70 barns/cc.

Radioactivity:

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

Odanielite Classification

Dana Class:

38.02.03.07 (38)Anhydrous Phosphates, etc

(38.02)(A+ B++)5 (XO4)3

(38.02.03)Alluaudite-Wyllieite Group (Alluaudite Subgroup)

38.02.03.01 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 2₁/a 2/m

38.02.03.02 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 2₁/a 2/m

38.02.03.03 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m

38.02.03.04 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 2₁/a 2/m

38.02.03.05 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m

38.02.03.06 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m

38.02.03.07 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m

38.02.03.08 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m

38.02.03.09 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m

38.02.03.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m

38.02.03.11 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m

38.02.03.12 IMA2008-064! Na16Mn25Al8(PO4)30 Pc m

Strunz Class:

08.AC.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.A - Phosphates, etc. without additional anions, without H2O

08.AC -With medium-sized and large cations

08.AC.10 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m

08.AC.10 Arseniopleite (Ca,Na)(Na,Pb)Mn(Mn,Mg,Fe)2(AsO4)3 I2/a 2/m

08.AC.10 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 2₁/a 2/m

08.AC.10 Caryinite (Na,Pb)(Ca,Na)(Ca,Mn)(Mn,Mg)2(AsO4)3 I2/c 2/m

08.AC.10 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 2₁/a 2/m

08.AC.10 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m

08.AC.10 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m

08.AC.10 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m

08.AC.10 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 2₁/a 2/m

08.AC.10 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m

08.AC.10 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m

08.AC.10 Bradaczekite! NaCu4(AsO4)3 C 2/c 2/m

08.AC.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m

08.AC.10 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m

Other Odanielite Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Odanielite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

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

Odanielite

Na(Zn,Mg)3H2(AsO4)3
Dana No: 38.02.03.07 Strunz No: 08.AC.10
Locality:

Notes: