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Damaraite

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Formula:
Pb3Cl(OH)O2
System:
Orthorhombic
Colour:
Colourless
Lustre:
Adamantine
Hardness:
3
Name:
Named after the Damara sequence which hosts the Kombat deposit
Chemically similar to mendipite.


Classification of Damaraite

Approved
3.DC.75

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

10 : OXYHALIDES AND HYDROXYHALIDES
5 : Am(O,OH)pXq
8.8.6

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

Physical Properties of Damaraite

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

Optical Data of Damaraite

Type:
Biaxial
Dispersion:
r > v strong

Chemical Properties of Damaraite

Formula:
Pb3Cl(OH)O2
IMA Formula:
Pb3O2(OH)Cl
Elements listed in formula:

Crystallography of Damaraite

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Pmc21
Cell Parameters:
a = 5.813 Å, b = 6.921 Å, c = 15.192 Å
Ratio:
a:b:c = 0.84 : 1 : 2.195
Unit Cell Volume:
V 611.201 ų
Z:
4

Type Occurrence of Damaraite

Relationship of Damaraite to other Species

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.30NadoritePbSbClO2
3.DC.30PeritePbBiClO2
3.DC.35AravaipaitePb3AlF9 · 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.80OnoratoiteSb8Cl2O11
3.DC.85CotunnitePbCl2
3.DC.90PseudocotunniteK2PbCl4
3.DC.95BarstowitePb4Cl6(CO3) · H2O
8.8.1AbhuriteSn21Cl16(OH)14O6
8.8.2MatlockitePbFCl
8.8.3LaurelitePb7F12Cl2
8.8.4CotunnitePbCl2
8.8.5MendipitePb3Cl2O2
8.8.7LaurionitePbCl(OH)
8.8.8ParalaurionitePbCl(OH)
8.8.9PenfielditePb2Cl3(OH)
8.8.10FiedleritePb3FCl4(OH) · H2O
8.8.11BlixitePb2(O,OH)2Cl
8.8.12PseudocotunniteK2PbCl4
8.8.13DiaboleitePb2CuCl2(OH)4
8.8.14PseudoboleitePb31Cu24Cl62(OH)48
8.8.15ChloroxiphitePb3CuO2Cl2(OH)2
8.8.17BideauxitePb2AgCl3(F,OH)2
8.8.18BoleiteKPb26Ag9Cu24(OH)48Cl62
8.8.19AravaipaitePb3AlF9 · H2O
8.8.20YedlinitePb6Cr3+Cl6(O,OH,H2O)8
8.8.21KolaritePbTeCl2
8.8.22HematophanitePb4Fe3O8(OH,Cl)

Other Names for Damaraite

Name in Other Languages:
German:Damarait
Spanish:Damaraita

Other Information

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 Damaraite

Reference List:
Criddle, A. J., Keller, P., Stanley, C. J., Innes, J. (1990): Damaraite, a new lead oxychloride mineral from the Kombat mine, Namibia (South West Africa). 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

mindat.org URL:
https://www.mindat.org/min-1215.html
Please feel free to link to this page.

Localities for Damaraite

This 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.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
Schnorrer-Köhler, G., Standfuss, K. & Standfuss, L. (1992): Damarait - ein Mineralneufund aus den antiken Schlacken von Lavrion/Griechenland. Der Aufschluss, 43, 245-246.
Namibia (TL)
 
  • Otjozondjupa Region
    • Grootfontein District
      • Kombat
Mineralogical Magazine (1990): 54: 593-598.
Mineral and/or Locality  
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