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Dadsonite

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Formula:
Pb23Sb25S60Cl
Colour:
Lead grey
Lustre:
Metallic
Hardness:
Specific Gravity:
5.68
Crystal System:
Triclinic
Name:
Named in 1969 by John Leslie Jambor in honor of Canadian mineralogist, Alexander Stewart Dadson [1906 Canada - 1958 Canada].
A Cl-free homeotype is disulfodadsonite. Rare example of lead chlorosulfoantimonite. Chemically related to ardaite; compare also 'UM1980-08-S:ClPbSb', 'UM1980-09-S:ClPbSb', and 'UM1980-10-S:ClPbSb'.


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Classification of DadsoniteHide

Approved
Approval Year:
1968
2.HC.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb
3.6.8.1

3 : SULFOSALTS
6 : 2 < ø < 2.49
6.5.9

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
5 : Sulphohalides

Physical Properties of DadsoniteHide

Metallic
Transparency:
Opaque
Colour:
Lead grey
Streak:
Black
Hardness:
2½ on Mohs scale
Hardness:
VHN15=226 - 279 kg/mm2 - Vickers
Density:
5.68 g/cm3 (Measured)    5.51 g/cm3 (Calculated)

Optical Data of DadsoniteHide

Type:
Anisotropic
Anisotropism:
Strong to distinct in greenish gray
Colour in reflected light:
White with greenish tint
Internal Reflections:
Blood red in oil

Chemical Properties of DadsoniteHide

Formula:
Pb23Sb25S60Cl
Common Impurities:
As,(Fe)

Crystallography of DadsoniteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 8.276(2) Å, b = 17.392(4) Å, c = 19.505(4) Å
α = 83.527(7)°, β = 77.882(8)°, γ = 89.125(8)°
Ratio:
a:b:c = 0.476 : 1 : 1.121
Unit Cell V:
2727.2 ų
Z:
1
Morphology:
Acicular needles.
Comment:
Originally assumed to be monoclinic, with a = 19.041, b = 8.226, c = 17.327 A, beta = 96.30°. Desymmetrized OD structure with profuse twinning.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.795 (100)
2.069 (92)
3.393 (74)
3.371 (72)
3.713 (51)
2.843 (47)
3.792 (45)

Type Occurrence of DadsoniteHide

Synonyms of DadsoniteHide

Other Language Names for DadsoniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Siderite10 photos of Dadsonite associated with Siderite on mindat.org.
Chalcostibite4 photos of Dadsonite associated with Chalcostibite on mindat.org.
Zinkenite4 photos of Dadsonite associated with Zinkenite on mindat.org.
Boulangerite3 photos of Dadsonite associated with Boulangerite on mindat.org.
Bindheimite3 photos of Dadsonite associated with Bindheimite on mindat.org.
Quartz1 photo of Dadsonite associated with Quartz on mindat.org.
Calcite1 photo of Dadsonite associated with Calcite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.HC.05bArgentobaumhaueriteAg1.5Pb22As33.5S72Tric. 1 : P1
2.HC.05bBaumhaueritePb12As16S36Tric. 1 : P1
2.HC.05eChabournéiteTl4Pb2(Sb,As)20S34Tric. 1 : P1
2.HC.05dDufrénoysitePb2As2S5Mon. 2 : P21
2.HC.05aGuettarditePbAsSbS4Mon. 2/m : P21/b
2.HC.05cLiveingitePb9As13S28Mon.
2.HC.05fParapierrotiteTlSb5S8Mon. m
2.HC.05fPierrotiteTl2(Sb,As)10S16Orth. mm2 : Pna21
2.HC.05dRathiteAg2Pb12-xTlx/2As18+x/2S40Mon. 2/m : P21/b
2.HC.05aSartoritePbAs2S4Mon. 2/m : P21/m
2.HC.05aTwinnite Pb0.8Tl0.1Sb1.3As0.8S4Mon. 2/m
2.HC.05dVeenitePb2(Sb,As)2S5Mon. 2 : P21
2.HC.05gMarumoitePb32As40S92Mon. 2 : P21
2.HC.05eDalnegroite(Tl4Pb2)(As12Sb8)S34Tric. 1 : P1
2.HC.10aFülöppitePb3Sb8S15Mon. 2/m : B2/b
2.HC.10cHeteromorphitePb7Sb8S19Mon. 2/m : B2/b
2.HC.10bPlagionitePb5Sb8S17Mon. 2/m
2.HC.10dRayitePb8(Ag,Tl)2Sb8S21Mon.
2.HC.10dSemseyitePb9Sb8S21Mon. 2/m : B2/b
2.HC.15BoulangeritePb5Sb4S11Mon. 2/m : P21/b
2.HC.15FalkmanitePb3Sb2S6Mon.
2.HC.20RobinsonitePb4Sb6S13Mon. 2/m : P21/m
2.HC.25MoëloitePb6Sb6S14(S3)Orth. 2 2 2 : P21 21 2
2.HC.35OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20Mon. 2/m : P21/b
2.HC.35ZoubekiteAgPb4Sb4S10Orth.
2.HC.40ParasterryiteAg4Pb20Sb14As10S58Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

6.5.1CorderoiteHg2+3S2Cl2Iso. m3 (2/m 3)
6.5.2ArzakiteHg2+3S2(Br,Cl)2Mon.
6.5.3LavrentieviteHg2+3S2(Cl,Br)2Mon.
6.5.4GrechishcheviteHg2+3S2(Br,Cl,I)2Tet.
6.5.5RadtkeiteHg2+3S2IClMon. 2/m : B2/m
6.5.6CapgaronniteAgHgClSOrth.
6.5.7PerrouditeHg5Ag4S5(I,Br)2Cl2Orth. 2 2 2 : P21 21 2
6.5.8ArdaitePb19Sb13S35Cl7Mon.
6.5.10RadhakrishnaitePbTe3(Cl,S)2Tet.
6.5.11DjerfisheriteK6(Fe,Cu,Ni)25S26ClIso. m3m (4/m 3 2/m) : Pm3m
6.5.12ThalfenisiteTl6(Fe,Ni,Cu)25S26Cl

Other InformationHide

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 DadsoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
COLEMAN, L.C. (1953): Mineralogy of the Yellowknife Bay are, N.W.T. American Mineralogist 38, 506-527.
JAMBOR, J.L. (1967a): New lead sulfantimonides from Madoc, Ontario. 1. Canadian Mineralogist 9, 7-24.
JAMBOR, J.L. (1967b): New lead sulfantimonides from Madoc, Ontario. 2. Mineral descriptions. Canadian Mineralogist 9, 191-213.
JAMBOR, J.L. (1968): New lead sulfantimonides from Madoc, Ontario. 3. Syntheses, paragenesis, origin. Canadian Mineralogist 10, 507-521.
JAMBOR, J.L. (1969): Dadsonite (minerals Q and QM), a new lead sulphantimonide. Mineralogical Magazine 37, 437-441.
Cervelle, B., Cesbron, F., Sichère, M. C., & Dietrich, J. (1979). La chalcostibite et la dadsonite de Saint-Pons, Alpes de Haute-Provence, France. Canadian Mineralogist, 17, 601-605.
Moëlo, Y. (1979). Quaternary compounds in the system Pb-Sb-S-Cl: dadsonite and synthetic phases. Canadian Mineralogist, 17, 595-600.
JAMBOR, J.L., LAFLAMME, J.H.G. & WALKER, D.A. (1982): A re-examination of the Madoc sulfosalts. Mineralogical Record 13, 93-100.
MAKOVICKY, E., MUMME, W.G. & NORRESTAM, R. (1984): The crystal structures of izoklakeite, dadsonite, and jaskolskiite. Acta Crystallographica A40, Supplement, C-246 (abstr.).
Mackovicky, E., Topa, D., & Mumme, W. G. (2006). The crystal structure of dadsonite. The Canadian Mineralogist, 44, 1499-1512.
Moëlo, Y., Mackovicky, E., Mozgova, N. N., Jambor, J. L., Cook, N., Pring, A., Paar, W., Nickel, E. H., Graeser, S., Karup-Møller, S., Balic-Žunic, T., Mumme, W. G., Vurro, F., Topa, D., Bindi, L., Bente, K., & Shimizu, M. (2008). Sulfosalt systematics: a review. Report of the sulfosalt-subcommittee of the IMA Commission on Ore Mineralogy. European Journal of Mineralogy, 20, 7-46.
Kaden, R., Wagner, G., Bente, K. (2012): Crystal chemistry and electrical conductivity of boulangerite, dadsonite and iodine-substituted pillaite grown by chemical vapor transport. Canadian Mineralogist, 50, 219-233.
Anthony, J.W., Bideaux, R.A., Bladh, K.W. and Nichols, M.C., Eds. Handbook of Mineralogy, Mineralogical Society of America, Chantilly, VA 20151-1110, USA. http://www.handbookofmineralogy.org/ (2016)

Internet Links for DadsoniteHide

Localities for DadsoniteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada (TL)
 
  • Northwest Territories
    • Mackenzie District
      • Yellowknife
COLEMAN, L.C. (1953): Mineralogy of the Yellowknife Bay are, N.W.T. American Mineralogist 38, 506-527. JAMBOR, J.L. (1967a): New lead sulfantimonides from Madoc, Ontario. 1. Canadian Mineralogist 9, 7-24. JAMBOR, J.L. (1967b): New lead sulfantimonides from Madoc, Ontario. 2. Mineral descriptions. Canadian Mineralogist 9, 191-213. JAMBOR, J.L. (1968): New lead sulfantimonides from Madoc, Ontario. 3. Syntheses, paragenesis, origin. Canadian Mineralogist 10, 507-521. JAMBOR, J.L. (1969): Dadsonite (minerals Q and QM), a new lead sulphantimonide. Mineralogical Magazine 37, 437-441.
  • Ontario
    • Hastings Co.
      • Madoc area
        • Huntingdon Township
JAMBOR, J.L. (1967a): New lead sulfantimonides from Madoc, Ontario. 1. Canadian Mineralogist 9, 7-24. JAMBOR, J.L. (1967b): New lead sulfantimonides from Madoc, Ontario. 2. Mineral descriptions. Canadian Mineralogist 9, 191-213. JAMBOR, J.L. (1968): New lead sulfantimonides from Madoc, Ontario. 3. Syntheses, paragenesis, origin. Canadian Mineralogist 10, 507-521. JAMBOR, J.L. (1969): Dadsonite (minerals Q and QM), a new lead sulphantimonide. Mineralogical Magazine 37, 437-441.
China
 
  • Guangxi Zhuang Autonomous Region
    • Hechi Prefecture
      • Nandan Co.
        • Dachang Sn-polymetallic ore field
Mineral Deposits 4(1), 74
France
 
  • Provence-Alpes-Côte d'Azur
    • Alpes-de-Haute-Provence
Cervelle, B., Cesbron, F., Sichère, M. C., & Dietrich, J. (1979). La chalcostibite et la dadsonite de Saint-Pons, Alpes de Haute-Provence, France. Canadian Mineralogist, 17, 601-605
"La chalcostibite et la dadsonite de Saint Pons, Alpes de Haute Provence, France" - B.D. CERVELLE, F.P. CESBRON, M.C. SICHERE, J.E. DIETRICH Canadian Mineralogist Vol.17, pp601-605 (1979)
"La chalcostibite et la dadsonite de Saint Pons, Alpes de Haute Provence, France" - B.D. CERVELLE, F.P. CESBRON, M.C. SICHERE, J.E. DIETRICH Canadian Mineralogist Vol.17, pp601-605 (1979)
Germany (TL)
 
  • Saxony-Anhalt
    • Harz
      • Stolberg
        • Wolfsberg
JAMBOR, J.L. (1969): Dadsonite (minerals Q and QM), a new lead sulphantimonide. Mineralogical Magazine 37, 437-441
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
            • Hilarion area
Schnorrer, G. & Breitenbach, H. (1996): Lavrion: Neufunde aus dem antiken Bergbau und in historischen Schlacken. Lapis, 21 (1), 45-48; 62.
Hanke, H. (1998): Laurion - ein Rückblick auf die Funde der letzten drei Jahre. Mineralien-Welt, 9 (2), 37-45.
Italy
 
  • Tuscany
    • Lucca Province
      • Apuan Alps
        • Seravezza
Orlandi, P. & Criscuolo, A. (2009). Minerali del marmo delle Alpi Apuane. Pacini editore, Pisa, 180 pp.
        • Stazzema
          • Ponte Stazzemese
Orlandi P., 2003. Buca della Vena: i solfosali aciculari di piombo e antimonio (Alpi Apuane, Toscana, Italia). Riv. Miner. Ital., 4: 224-229; Orlandi, P., Moëlo, Y. & Biagioni, C. (2010). Lead-antimony sulfosalts from Tuscany (Italy). X. Dadsonite from the Buca della Vena mine and Bi-rich izoklakeite from the Seravezza marble quarries. Periodico di Mineralogia, 79, 113-121.
Slovakia
 
  • Žilina Region
    • Liptovský Mikuláš Co.
Sejkora J. & Kouřimský J., 2005: Atlas minerálů České a Slovenské republiky. Academia, Praha, 375 p.
      • Liptovské Kľačany
Mackovicky, E., Topa, D., & Mumme, W. G. (2006). The crystal structure of dadsonite. The Canadian Mineralogist, 44, 1499-1512. ; Topa, D., Sejkora, J., Makovicky, E., Pršek, J., Ozdín, D., Putz, H., Dittrich, H. & Karup-Møller, S. (2012): Chovanite, Pb15-2xSb14+2xS36Ox (x ~ 0.2), a new sulphosalt species from the Low Tatra Mountains, Western Carpathians, Slovakia. European Journal of Mineralogy, 24, 727-740.
Spain
 
  • Catalonia
    • Lleida (Lérida)
      • Pallars Sobirà
        • Llavorsí
          • Montenartró
Analyzed by XRD by Dr. Joan Vinals (Barcelona)- Col. Agustin Agudo Espinosa
USA (TL)
 
  • Nevada
    • Pershing Co.
      • Antelope District
        • Lovelock
JAMBOR, J.L. (1967b): New lead sulfantimonides from Madoc, Ontario. 2. Mineral descriptions. Canadian Mineralogist 9, 191-213. JAMBOR, J.L. (1969): Dadsonite (minerals Q and QM), a new lead sulphantimonide. Mineralogical Magazine 37, 437-441. Berry et al. (1952) Am. Min. 37, 438.
Uzbekistan
 
  • Tashkent Viloyati (Toshkent)
    • Angren Region
      • Chatkal-Kuraminskii Range
Kovalenker, V. A., Safonov, Y. G., Naumov, V. B., & Rusinov, V. L. (1997). The Epithermal Gold-Telluride Kochbulak Deposit. Geology of Ore Deposits C/C of Geologiia Rudnykh Mestorozhdenii, 39, 107-128.
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