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Damaraite

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Big Photo

Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia
© 2005 M. Kampf

Show Damaraite Photos (2)



Formula:
Pb
 
3
Cl(OH)O
 
2
System:OrthorhombicColour:Colourless
Hardness:3
Name:
Named after the Damara sequence which hosts the Kombat deposit
This page provides mineralogical data about Damaraite.

Classification of Damaraite

IMA status:Approved
Strunz 8th edition ID:3/D.10-40
Nickel-Strunz 10th (pending) edition ID:3.DC.75

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
Dana 8th edition ID:10.5.10.1

10 : OXYHALIDES AND HYDROXYHALIDES
5 : Am(O,OH)pXq
Hey's CIM Ref.:8.8.6

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
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Type Occurrence of Damaraite

Type Locality:Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia
Year of Discovery:1990

Physical Properties of Damaraite

Lustre:Adamantine
Colour:Colourless
Streak:White
Hardness (Mohs):3

Crystallography of Damaraite

Crystal System:Orthorhombic
Cell Parameters:a = 15.1Å, b = 6.89Å, c = 5.8Å
Ratio:a:b:c = 2.192 : 1 : 0.842
Unit Cell Volume:V 603.43 ų (Calculated from Unit Cell)

Optical Data of Damaraite

Type:Biaxial
Dispersion:r > v strong

Chemical Properties of Damaraite

Formula:
Pb
 
3
Cl(OH)O
 
2
Essential elements:Cl, H, O, Pb
All elements listed in formula:Cl, H, O, Pb

Relationship of Damaraite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.DC.05Laurionite
PbCl(OH)
3.DC.05Paralaurionite
PbCl(OH)
3.DC.10Fiedlerite
Pb
 
3
FCl
 
4
(OH) · H
 
2
O
3.DC.15Penfieldite
Pb
 
2
Cl
 
3
(OH)
3.DC.20Laurelite
Pb
 
7
F
 
12
Cl
 
2
3.DC.25Bismoclite
(BiO)Cl
3.DC.25Daubréeite
(BiO)(OH,Cl)
3.DC.25Matlockite
PbFCl
3.DC.25Rorisite
CaFCl
3.DC.25Zavaritskite
(BiO)F
3.DC.25Zhangpeishanite
BaFCl
3.DC.30Nadorite
PbSbClO
 
2
3.DC.30Perite
PbBiClO
 
2
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
Cl
 
2
(OH)(SbO
 
3
,AsO
 
3
)
3.DC.45Mereheadite
Pb
 
47
Cl
 
25
(OH)
 
13
O
 
24
(CO
 
3
)(BO
 
3
)
 
2
3.DC.50Blixite
Pb
 
2
(O,OH)
 
2
Cl
3.DC.55Pinalite
Pb
 
3
WO
 
5
Cl
 
2
3.DC.60Symesite
Pb
 
10
Cl
 
4
O
 
7
(SO
 
4
) · H
 
2
O
3.DC.65Ecdemite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
3.DC.65Heliophyllite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
3.DC.70Mendipite
Pb
 
3
Cl
 
2
O
 
2
3.DC.80Onoratoite
Sb
 
8
Cl
 
2
O
 
11
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:

- +
8.8.1Abhurite
Sn
 
21
Cl
 
16
(OH)
 
14
O
 
6
8.8.2Matlockite
PbFCl
8.8.3Laurelite
Pb
 
7
F
 
12
Cl
 
2
8.8.4Cotunnite
PbCl
 
2
8.8.5Mendipite
Pb
 
3
Cl
 
2
O
 
2
8.8.7Laurionite
PbCl(OH)
8.8.8Paralaurionite
PbCl(OH)
8.8.9Penfieldite
Pb
 
2
Cl
 
3
(OH)
8.8.10Fiedlerite
Pb
 
3
FCl
 
4
(OH) · H
 
2
O
8.8.11Blixite
Pb
 
2
(O,OH)
 
2
Cl
8.8.12Pseudocotunnite
K
 
2
PbCl
 
4
8.8.13Diaboleite
Pb
 
2
CuCl
 
2
(OH)
 
4
8.8.14Pseudoboleite
Pb
 
31
Cu
 
24
Cl
 
62
(OH)
 
48
8.8.15Chloroxiphite
Pb
 
3
CuO
 
2
Cl
 
2
(OH)
 
2
8.8.17Bideauxite
Pb
 
2
AgCl
 
3
(F,OH)
 
2
8.8.18Boleite
KPb
 
26
Ag
 
9
Cu
 
24
(OH)
 
48
Cl
 
62
8.8.19Aravaipaite
Pb
 
3
F
 
3
[AlF
 
6
] · H
 
2
O
8.8.20Yedlinite
Pb
 
6
Cr
3+
 
Cl
 
6
(O,OH,H
 
2
O)
 
8
8.8.21Kolarite
PbTeCl
 
2
8.8.22Hematophanite
Pb
 
4
Fe
 
3
O
 
8
(OH,Cl)

Other Names for Damaraite

Synonyms:
IMA1989-013
Other Languages:
German:Damarait
Russian:Дамараит
Spanish:Damaraita

Other Information

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 Damaraite

Reference List:

- +
Mineralogical Magazine: 54: 593-598.

Keller, Paul; Lissner, Falk; Schleid, Thomas (2001): Damaraite, Pb3O2(OH)Cl: crystal structure and new chemical formula. Neues Jahrb. Mineral., Monatsh. 2001, 326-336.

Krivovichev, Sergey V.; Burns, Peter C. (2001): Crystal chemistry of lead oxide chlorides. I. Crystal structures of synthetic mendipite, Pb3O2Cl2, and synthetic damaraite, Pb3O2(OH)Cl. Eur. J. Mineral. 13, 801-809.

Internet Links for Damaraite

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  • Raman and XRD data at RRUFF project
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  • Damaraite details from Handbook of Mineralogy (PDF)
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    • Localities for Damaraite

    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.
    Hide Locality List
    (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.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District slag localities
          • Lavrion (Laurion; Laurium)
    		Schnorrer, G., Standfuss, K., Standfuss, L. (1992): Damarait - ein Mineralneufund aus den antiken Schlacken von Lavrion/Griechenland, Der Aufschluss, Vol. 43, 245-246
          • Thorikos area
    		No reference listed
    Namibia
     
    • Otjozondjupa Region
      • Grootfontein District
        • Kombat
    		Mineralogical Magazine (1990): 54: 593-598.
    Mineral and/or Locality
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