Nadorite Mineral Data

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

Synonym:

ICSD 36159

PDF 17-469

Nadorite Image

Images:

Nadorite

Comments: Blocky, yellowish brown crystals of nadorite on matrix.
Location: Langban mine, Filipstad , V?rmland, 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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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

Diaphaniety:

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

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:

r_electron=5.92 gm/cc
note: r_Nadorite=7.07 gm/cc.

Fermion Index

Fermion Index = 0.11555
Boson Index = 0.88445

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Nadorite is Not Radioactive

Nadorite Classification

Dana Class:

10.2.5.2 (10)Oxyhalides and Hydroxyhalides

(10.2)where A (O,OH) Xq

(10.2.5)Dana Group

10.2.5.1 Perite PbBiO2Cl Bmmb 2/m 2/m 2/m

10.2.5.2 Nadorite PbSbO2Cl Bmmb 2/m 2/m 2/m

Strunz Class:

III/D.11-80 III - Halogenides

III/D - Oxi-halogenides with Pb - Bi - Sb and related compounds

III/D.11 - Mendipite - Onoratoite series

III/D.11-10 Mendipite Pb3Cl2O2 P 2₁2₁2₁ 2 2 2

III/D.11-15 Damaraite Pb3O2(OH)Cl Pmc2 mm2

III/D.11-17 Chubutite* Pb7O6Cl2 Unk Ortho

III/D.11-20 Penfieldite Pb2Cl3(OH) P 6/mmm 6/m 2/m 2/m

III/D.11-30 Blixite Pb2Cl(O,OH)2 Unk Ortho

III/D.11-35 Mereheadite! Pb2O(OH)Cl C 2/c 2/m

III/D.11-40 Sundiusite Pb10(SO4)Cl2O8 C 2,Cm,C 2/m Mono

III/D.11-50 Asisite Pb12(SiO4)O8Cl4 I 4/mmm 4/m 2/m 2/m

III/D.11-55 Parkinsonite (Pb,Mo,[])8O8Cl2 I 4/mmm 4/m 2/m 2/m

III/D.11-60 Thorikosite Pb3(Sb,As)O3(OH)Cl2 I 4/mmm 4/m 2/m 2/m

III/D.11-65 Philolithite! Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12 P 4₁/nnm 4/m 2/m 2/m

III/D.11-70 Pinalite Pb3(WO4)OCl2 Amam 2/m 2/m 2/m

III/D.11-80 Nadorite PbSbO2Cl Bmmb 2/m 2/m 2/m

III/D.11-90 Perite PbBiO2Cl Bmmb 2/m 2/m 2/m

III/D.11-100 Heliophyllite Pb6As2O7Cl4 Unk Ortho

III/D.11-110 Ecdemite Pb6As2O7Cl4 Unk Tetra

III/D.11-120 Onoratoite Sb8O11Cl2 C 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)

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Nadorite

PbSbO2Cl
Dana No: 10.2.5.2 Strunz No: III/D.11-80
Locality:

Notes: