Nadorite Mineral Data

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General Nadorite Information

Chemical Formula:

PbSbO2Cl

Composition:

Molecular Weight = 396.40 gm

Antimony 30.71 % Sb 36.77 % Sb₂O₃

Lead 52.27 % Pb 56.31 % PbO

Chlorine 8.94 % Cl 8.94 % Cl

- % Cl -2.02 % -O=Cl₂

Oxygen 8.07 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

PbSbO₂Cl

Environment:

Commonly altered from jamesonite. Commony altered to bindheimite.

IMA Status:

Valid Species (Pre-IMA) 1870

Locality:

Djebel Nador, Constantine, Algeria. Link to MinDat.org Location Data.

Name Origin:

Named for the locality

Name Pronunciation:

Nadorite

Synonym:

ICSD 36159

PDF 17-469

Nadorite Image

Images:

Nadorite

Comments: Blocky, yellowish brown crystals of nadorite on matrix.
Location: Langban mine, Filipstad , Värmland, Sweden. Scale: Crystal size 1 mm.
© Tom Loomis / Dakota Matrix

Nadorite Crystallography

Axial Ratios:

a:b:c =1.0294:1:2.2463

Cell Dimensions:

a = 5.6, b = 5.44, c = 12.22, Z = 4; V = 372.27 Den(Calc)= 7.07

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Bmmb

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

By Intensity(I/I_o): 2.8(1), 1.945(0.3), 3.71(0.3),

Forms:

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Forms: ( 0 1 0) ( 3 1 3) ( 1 0 0) ( 0 0 1)

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Crystal Structure:

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Giuseppetti G , Tadini C , Periodico di Mineralogia , 42 (1973) p.335-345, Riesame della struttura cristallina della nadorite: PbSbO2Cl, Locality: Djebel Nador, Algeria

Physical Properties of Nadorite

Cleavage:

{010} Perfect

Color:

Brown, Brownish yellow, Grayish brown, Yellow.

Density:

7.02

Diaphaneity:

Translucent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Hardness:

3.5-4 - Copper Penny-Fluorite

Luster:

Adamantine - Resinous

Streak:

yellow white

Optical Properties of Nadorite

Gladstone-Dale:

CI meas= -0.082 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.074 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1909,KPDmeas= 0.1923,KC= 0.1778
Ncalc = 2.25 - 2.26

Optical Data:

Biaxial (+), a=2.3, b=2.35, g=2.4, bire=0.1000, 2V(Calc)=88, 2V(Meas)=85. Dispersion r > v strong.

Calculated Properties of Nadorite

Electron Density:

Bulk Density (Electron Density)=5.92 gm/cc
note: Specific Gravity of Nadorite =7.07 gm/cc.

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_Nadorite=1,066.56 barns/electron
U=PE_Nadorite x rElectron Density=6,315.51 barns/cc.

Radioactivity:

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

Nadorite Classification

Dana Class:

10.02.05.02 (10)Oxyhalides and Hydroxyhalides

(10.02)where A (O,OH) Xq

(10.02.05)Perite Series

10.02.05.01 Perite PbBiO2Cl Bmmb 2/m 2/m 2/m

10.02.05.02 Nadorite PbSbO2Cl Bmmb 2/m 2/m 2/m

Strunz Class:

03.DC.30 03 - HALIDES

03.D - Oxyhalides, Hydroxyhalides and Related Double Halides

03.DC -With Pb (As,Sb,Bi), without Cu

03.DC.30 Nadorite PbSbO2Cl Bmmb 2/m 2/m 2/m

03.DC.30 Perite PbBiO2Cl Bmmb 2/m 2/m 2/m

Other Nadorite Information

References:

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

See Also:

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

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

Nadorite

PbSbO2Cl
Dana No: 10.02.05.02 Strunz No: 03.DC.30
Locality:

Notes: