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Thorikosite

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Formula:
Pb3Cl2(OH)(SbO3,AsO3)
System:
Tetragonal
Colour:
Light yellow
Lustre:
Vitreous, Waxy
Hardness:
3
Name:
Named after the ancient site of Thorikos, near the discovery locality at Thorikos Bay slag locality.
This page provides mineralogical data about Thorikosite.


Classification of Thorikosite

Approved
Approval Year:
1984
3.DC.40

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
10.2.6.1

10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
24.3.7

24 : Antimonates and Antimonites
3 : Antimonates of Ti and Pb

Physical Properties of Thorikosite

Vitreous, Waxy
Colour:
Light yellow
Hardness (Mohs):
3

Chemical Properties of Thorikosite

Formula:
Pb3Cl2(OH)(SbO3,AsO3)
IMA Formula:
Pb3O3Sb3+(OH)Cl2
Elements listed in formula:

Crystallography of Thorikosite

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I4/mmm
Cell Parameters:
a = 3.91 Å, c = 12.85 Å
Ratio:
a:c = 1 : 3.286
Unit Cell Volume:
V 196.45 ų (Calculated from Unit Cell)

Type Occurrence of Thorikosite

Relationship of Thorikosite 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.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)
24.3.4NadoritePbSbClO2
24.3.5BindheimitePb2Sb2O6O
24.3.6Monimolite

Other Names for Thorikosite

Name in Other Languages:

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 Thorikosite

Reference List:
Dunn, P.J. & Rouse, R.C. (1985): Freedite and thorikosite from Langban, Sweden, and Laurion, Greece: two new species related to the synthetic bismuth oxyhalides. American Mineralogist, 70, 845-848.

Rouse, R. C. and Dunn, P. C. (1985): The structure of thorikosite, a naturally occurring member of the bismuth oxyhalide group. J. Solid State Chem. 57, 389-395.

Internet Links for Thorikosite

mindat.org URL:
https://www.mindat.org/min-3945.html
Please feel free to link to this page.

Localities for Thorikosite

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. (1986): Neufunde in den Schlacken von Lavrion. LAPIS 11 (6), 25-29; Dunn, P.J. & Rouse, R.C. (1985): Freedite and thorikosite from Langban, Sweden, and Laurion, Greece: two new species related to the synthetic bismuth oxyhalides. American Mineralogist, 70, 845-848.
        • Passa Limani area
Gelaude, Piet, van Kalmthout, Piet, and Rewitzer, Christian (1996) Laurion: The Minerals of the Ancient Slags, Janssen Print, Nijmegen, The Netherlands; - Rüsenberg, K. A. (2001): Mineralparagenesen in den Schlacken von Lavrion und ihre Entstehung. Aufschluss 52, 25-44 (in German)
        • Puntazeza area (Punta Zeza area)
Rüsenberg, K. A. (2001): Mineralparagenesen in den Schlacken von Lavrion und ihre Entstehung. Aufschluss 52, 25-44 (in German)
        • Sounion area
Gelaude, Piet, Piet van Kalmthout amd Christian Rewitzer, "Laurion" The minerals in the ancient slags.
        • Thorikos area
Schnorrer-Köhler, G. (1986): Neufunde in den Schlacken von Laurion. Lapis, 11 (6), 25-29; 42.; Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
Italy
 
  • Latium
    • Rome Province
      • Anzio
Marco Bonifazi Collection
  • Tuscany
    • Livorno Province
      • Piombino
Muenchener Micromounter-Lithothek
Mineral and/or Locality  
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