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Nadorite

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Formula:
PbSbClO2
System:
Orthorhombic
Colour:
Brown, yellow to ...
Lustre:
Adamantine, Resinous
Hardness:
3½ - 4
Member of:
Name:
After the type locality at Djebel Nador, Constantine, Algeria.
Nadorite Group.
A secondary mineral in antimony-bearing hydrothermal deposits.

A tetragonal dimorph is known as a synthetic phase and in slags.

Classification of Nadorite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
3.DC.30

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
10.2.5.2

10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
24.3.4

24 : Antimonates and Antimonites
3 : Antimonates of Ti and Pb
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http://www.mindat.org/min-2827.html
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First Recorded Occurrence of Nadorite

Year of Discovery:
1870
Associated Minerals at First Recorded Locality:

Physical Properties of Nadorite

Adamantine, Resinous
Diaphaneity (Transparency):
Translucent
Colour:
Brown, yellow to brownish yellow
Streak:
White, yellow to yellowish white
Hardness (Mohs):
3½ - 4
Cleavage:
Perfect
On {010}, perfect.
Density:
7.02 g/cm3 (Measured)    7.06 g/cm3 (Calculated)

Crystallography of Nadorite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cmcm
Cell Parameters:
a = 5.603Å, b = 12.245Å, c = 5.448Å
Ratio:
a:b:c = 0.458 : 1 : 0.445
Unit Cell Volume:
V 373.78 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals tabular {010}, or elongated [100], also lenticular [010] with a square or octagonal outline. May be subparallel or divergent platy groups.
Twinning:
On {101}, nearly perpendicular (91°45'), common.
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.71 (30)
2.800 (100)
2.703 (25)
2.057 (25)
1.945 (30)
1.615 (30)
1.587 (30)

Optical Data of Nadorite

Type:
Biaxial (+)
RI values:
nα = 2.300 nβ = 2.340 - 2.350 nγ = 2.360 - 2.400
2V:
Measured: 85° , Calculated: 88°
Max Birefringence:
δ = 0.060 - 0.100
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
strong

Chemical Properties of Nadorite

Formula:
PbSbClO2
Essential elements:
All elements listed in formula:

Relationship of Nadorite to other Species

Member of:
Other Members of Group:
PeritePbBiClO2
3.DC.05LaurionitePbCl(OH)
3.DC.05ParalaurionitePbCl(OH)
3.DC.10FiedleritePb3FCl4(OH) · H2O
3.DC.15PenfielditePb2Cl3(OH)
3.DC.20LaurelitePb7F12Cl2
3.DC.25Bismoclite(BiO)Cl
3.DC.25Daubréeite(BiO)(OH,Cl)
3.DC.25MatlockitePbFCl
3.DC.25RorisiteCaFCl
3.DC.25Zavaritskite(BiO)F
3.DC.25ZhangpeishaniteBaFCl
3.DC.30PeritePbBiClO2
3.DC.35AravaipaitePb3F3[AlF6] · H2O
3.DC.37CalcioaravaipaitePbCa2AlF9
3.DC.40ThorikositePb3Cl2(OH)(SbO3,AsO3)
3.DC.45MereheaditePb47Cl25(OH)13O24(CO3)(BO3)2
3.DC.50BlixitePb2(O,OH)2Cl
3.DC.55PinalitePb3WO5Cl2
3.DC.60SymesitePb10(SO4)O7Cl4 · H2O
3.DC.65EcdemitePb6Cl4(As2O7)
3.DC.65HeliophyllitePb6Cl4(As2O7)
3.DC.70MendipitePb3Cl2O2
3.DC.75DamaraitePb3Cl(OH)O2
3.DC.80OnoratoiteSb8Cl2O11
3.DC.85CotunnitePbCl2
3.DC.90PseudocotunniteK2PbCl4
3.DC.95BarstowitePb4Cl6(CO3) · H2O
24.3.2DerbyliteFe43+Ti3Sb3+O13(OH)
24.3.3Hemloite(Ti,V3+,Fe3+,Al)12(As3+,Sb3+)2O23(OH)
24.3.5BindheimitePb2Sb2O6O
24.3.6Monimolite
24.3.7ThorikositePb3Cl2(OH)(SbO3,AsO3)

Other Names for Nadorite

Name in Other Languages:
German:Nadorit
Simplified Chinese:氯锑铅矿
Spanish:Nadorita
Swedish:Ochrolith

Other Information

Other Information:
Alters to Cerussite.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Nadorite

Reference List:
Flajolot, M (1870); Comptes rendus de l’Académie des sciences de Paris, 71, 237.

Cesàro (1888) Bulletin de la Société française de Minéralogie: 11: 44.

Flink (1889) Ak. Stockholm, Öfversigy: 46: 5 (as Ochrolith).

Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 863.

Goldschmidt, V. (1920) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 6: 66.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 113.

Barthoux (1925) Bulletin de la Société française de Minéralogie: 48: 246.

Russell (1927) Mineralogical Magazine: 21: 272.

Larsen, E.S. and Berman, H. (1934) The Microscopic Determination of the Nonopaque Minerals, Second edition, USGS Bulletin 848: 211.

Sillén and Melander (1941) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 103: 420.

Bolfa, Pastant, and Roubault (1949) Comptes rendus de l’Académie des sciences de Paris: 228: 1739 (synthesis).

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 1039-1040.

Arkiv för Mineralogi och Geologi (1969): 4: 525.

Giuseppetti G., Tadini C. (1973) - Riesame della struttura cristallina della nadorite: PbSbO2Cl. Periodico di mineralogia – Roma: 42: 335-345 (in Italian with English abs.).

Internet Links for Nadorite

Specimens:
The following Nadorite specimens are currently listed for sale on minfind.com.

Localities for Nadorite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Algeria
 
  • Constantine Province
    • Guelma
      • Djebel Nador
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1024, 1040.
Australia
 
  • New South Wales
    • Yancowinna Co.
Birch BH Book
Austria
 
  • Carinthia
    • Friesach - Hüttenberg area
      • Hüttenberg
        • Waitschach
Kolitsch, U., Brandstätter, F., Schreiber, F., Fink, R. & Auer, C. (2013): Die Mineralogie der weltweit einzigartigen Schlacken von Waitschach, Kärnten. Annalen des Naturhistorischen Museums in Wien, Serie A, 115, 19-87 (in German).
Bulgaria
 
  • Haskovo Oblast (Khaskovo Oblast)
    • Rhodope Mts
Min.Mag.(1982) 46, 357-361
Germany
 
  • Rhineland-Palatinate
    • Westerwald
      • Wied Iron Spar District
        • Neuwied
          • Puderbach
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Morocco
 
  • Oriental Region
    • Jerada Province
      • Touissit District
Mineralogical Record Nov-Dec 2013 Volume 44 Number 6
Namibia
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Keller, P. & Innes, J. (1986): "Neue Minerale von Tsumeb." Lapis, 11 (9), 28-32.
Sweden
 
  • Värmland
    • Filipstad
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1040; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
      • Persberg district
        • Pajsberg
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 794, 1040.
UK
 
  • England
    • Cornwall
      • Callington District
        • Pillaton
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
      • Wadebridge District
        • St Endellion
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
          • Trewetha
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1040.
        • St Kew
Clayton, R.E., and Spiro, B: (2000): Mineralium Deposita 35, 315-331.
        • St Minver
          • Port Quin
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
USA
 
  • California
    • Riverside Co.
      • Crestmore
[micromounts@yahoogroups.com]
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