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Nadorite

Big Photo

Djebel Nador, Constantine Province, Algeria
© O. Dziallas

Show Nadorite Photos (14)
Formula:
PbSb[O
 
2
|Cl]
System:OrthorhombicColour:Brown, yellow to ...
Lustre:Adamantine, ResinousHardness:3½ - 4
Name:After the type locality at Djebel Nador, Constantine, Algeria.


A secondary mineral in antimony-bearing hydrothermal deposits.

Classification of Nadorite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:3/D.10-10
Nickel-Strunz 10th (pending) edition ID:3.DC.30

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
Dana 8th edition ID:10.2.5.2

10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
Hey's CIM Ref.:24.3.4

24 : Antimonates and Antimonites
3 : Antimonates of Ti and Pb
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Type Occurrence of Nadorite

Co-type Localities:Djebel Nador, Constantine Province, Algeria
Djebel Debar, Hamman, Meskhootine, Constantine Province, Algeria
Year of Discovery:1870
Associated Minerals at type locality:
SmithsoniteBindheimite

Physical Properties of Nadorite

Lustre: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 (measured):7.02 g/cm3
Density (calculated):7.06 g/cm3

Crystallography of Nadorite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Cmcm {C2/m 2/c 21/m}
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:
d-spacingIntensity
3.71 (30)
2.800 (100)
2.703 (25)
2.057 (25)
1.945 (30)
1.615 (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°
Maximum Birefringence:δ = 0.060 - 0.100

Chart 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:
PbSb[O
 
2
|Cl]
Essential elements:Cl, O, Pb, Sb
All elements listed in formula:Cl, O, Pb, Sb

Relationship of Nadorite to other Species

Member of Group:
Nadorite Group:
Common Associates:
ValentiniteSphaleriteSmithsoniteSénarmontiteMimetite
JamesoniteGalenaCerussiteBindheimiteAnglesite
Related Minerals - Nickel-Strunz Grouping):

- +
3.DC.05Laurionite
PbClOH
3.DC.05Paralaurionite
PbClOH
3.DC.10Fiedlerite
Pb
 
3
Cl
 
4
F(OH)·H
 
2
O
3.DC.15Penfieldite
Pb
 
2
[OH|Cl
 
3
]
3.DC.20Laurelite
Pb(F,Cl,OH)
 
2
3.DC.25Bismoclite
BiOCl
3.DC.25Daubréeite
BiO(OH,Cl)
3.DC.25Matlockite
PbFCl
3.DC.25Rorisite
CaFCl
3.DC.25Zavaritskite
BiOF
3.DC.25Zhangpeishanite
BaFCl
3.DC.30Perite
PbBi[O
 
2
|Cl]
3.DC.35Aravaipaite
Pb
 
3
[F
 
3
|AlF
 
6
] · H
 
2
O
3.DC.37Calcioaravaipaite
PbCa
 
2
[(F,OH)
 
3
|AlF
 
6
] · H
 
2
O
3.DC.40Thorikosite
Pb
 
3
[OH|(SbO
 
3
,AsO
 
3
)|Cl
 
2
]
3.DC.45Mereheadite
Pb
 
47
O
 
24
(OH)
 
13
Cl
 
25
(BO
 
3
)
 
2
(CO3)
3.DC.50Blixite
Pb
 
2
[(O,OH)
 
2
|Cl]
3.DC.55Pinalite
Pb
 
3
WO
 
5
Cl
 
2
3.DC.60Symesite
Pb
 
10
[O
 
7
|SO
 
4
|Cl
 
4
] · H
 
2
O
3.DC.65Ecdemite
Pb
 
6
[As
 
2
O
 
7
|Cl
 
4
]
3.DC.65Heliophyllite
Pb
 
3
AsO
 
4-n
Cl
 
2n+1
3.DC.70Mendipite
Pb
 
3
[O
 
2
|Cl
 
2
]
3.DC.75Damaraite
Pb
 
3
[O
 
2
|OH|Cl]
3.DC.80Onoratoite
Sb
 
8
O
 
11
Cl
 
2
3.DC.85Cotunnite
PbCl
 
2
3.DC.90Pseudocotunnite
K
 
2
PbCl
 
4
3.DC.95Barstowite
Pb
 
4
[Cl
 
6
|CO
 
3
] · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
24.3.1Lewisite
(Ca,Fe,Na)
 
2
(Sb,Ti)
 
2
(O,OH)
 
7
24.3.2Derbylite
(Fe,Fe,Ti)
 
7
SbO
 
13
(OH)
24.3.3Hemloite
(As,Sb)
 
2
(Ti,V,Fe,Al)
 
12
O
 
23
(OH)
24.3.5Bindheimite
Pb
 
2
Sb
 
2
O
 
6
(O,OH)
24.3.6Monimolite
(Pb,Ca,Fe)
 
3
Sb
 
2
O
 
7
24.3.7Thorikosite
Pb
 
3
[OH|(SbO
 
3
,AsO
 
3
)|Cl
 
2
]

Other Names for Nadorite

Synonyms:
Ochrolite
Other Languages:
German:Nadorit
Russian:Надорит
Spanish:Nadorita
Swedish:Ochrolith

Other Information

Other Information:Alters to Cerussite.
Health Warning: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 rendu 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 rendu 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.).

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    Localities for Nadorite

    Hide Locality List
    The 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. ? 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
    		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.
      • Meskhootine
        • Hamman
    		Flajolot, M (1870); Comptes rendu de l’Académie des sciences de Paris, 71, 237.
    Australia
     
    • New South Wales
      • Yancowinna Co.
    		Birch BH Book
    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
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • 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.
        • 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
    		No reference listed
        • Wadebridge District
          • Area East of Wadebridge
            • St Endellion
    		No reference listed
              • 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.
          • Area West of Wadebridge
            • St Minver
              • Port Quin
    		No reference listed
    USA
     
    • California
      • Riverside Co.
        • Crestmore
    		[micromounts@yahoogroups.com]
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 21st Nov 2009 08:24:56