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Dadsonite

Big Photo

Saint-Pons, Ubaye valley, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France
© JM. Johannet

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Formula:
Pb
 
23
Sb
 
25
S
 
60
Cl
System:TriclinicColour:Grey, greenish-white
Lustre:MetallicHardness:2½
Name:For Canadian mineralogist, Alexander S. Dadson (1906-1958).
This page provides mineralogical data about Dadsonite.

Classification of Dadsonite

IMA status:Approved 1968
Strunz 8th edition ID:2/E.20-60
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:3.6.8.1

3 : SULFOSALTS
6 : 2 < ø < 2.49
Hey's CIM Ref.:6.5.9

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
5 : Sulphohalides
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Type Occurrence of Dadsonite

Co-type Localities:Taylor Pit (Lot 13; Con. XIV), Madoc, Huntingdon Township, Hastings Co., Ontario, Canada
Red Bird Mine, Antelope Springs District, Pershing Co., Nevada, USA
Year of Discovery:1969

Physical Properties of Dadsonite

Lustre:Metallic
Colour:Grey, greenish-white
Streak:Black
Hardness (Mohs):2½

Crystallography of Dadsonite

Crystal System:Triclinic

Chemical Properties of Dadsonite

Formula:
Pb
 
23
Sb
 
25
S
 
60
Cl
Essential elements:Cl, Pb, S, Sb
All elements listed in formula:Cl, Pb, S, Sb
Common Impurities:Fe,As

Relationship of Dadsonite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.HC.05Baumhauerite-2a
Pb
 
11
Ag(As,Sb)
 
18
S
 
36
2.HC.05Baumhauerite
Pb
 
3
As
 
4
S
 
9
2.HC.05Dufrénoysite
Pb
 
2
As
 
2
S
 
5
2.HC.05Guettardite
Pb(Sb,As)
 
2
S
 
4
2.HC.05Liveingite
Pb
 
9
As
 
13
S
 
28
2.HC.05Parapierrotite
Tl(Sb,As)
 
5
S
 
8
2.HC.05Pierrotite
Tl
 
2
Sb
 
6
As
 
4
S
 
16
2.HC.05Rathite
(Pb,Tl)
 
3
As
 
5
S
 
10
2.HC.05Sartorite
PbAs
 
2
S
 
4
2.HC.05Twinnite
Pb(Sb,As)
 
2
S
 
4
2.HC.05Veenite
Pb
 
2
(Sb,As)
 
2
S
 
5
2.HC.05Marumoite
Pb
 
32
As
 
40
S
 
92
2.HC.15Boulangerite
Pb
 
5
Sb
 
4
S
 
11
2.HC.15Falkmanite
Pb
 
5.4
Sb
 
3.6
S
 
11
2.HC.15Plumosite
2.HC.20Robinsonite
Pb
 
4
Sb
 
6
S
 
13
2.HC.25Moëloite
Pb
 
6
Sb
 
6
S
 
14
(S
 
3
)
2.HC.35Fülöppite
Pb
 
3
Sb
 
8
S
 
15
2.HC.35Heteromorphite
Pb
 
7
Sb
 
8
S
 
19
2.HC.35Owyheeite
Ag
 
2
Pb
 
5
Sb
 
6
S
 
15
2.HC.35Plagionite
Pb
 
5
Sb
 
8
S
 
17
2.HC.35Rayite
Pb
 
8
(Ag,Tl)
 
2
Sb
 
8
S
 
21
2.HC.35Semseyite
Pb
 
9
Sb
 
8
S
 
21
Related Minerals - Hey's Index Grouping:
6.5.1Corderoite
Hg
2+
3
[Cl
 
2
|S
 
2
]
6.5.2Arzakite
Hg
2+
3
[(Br,Cl)
 
2
|S
 
2
]
6.5.3Lavrentievite
Hg
2+
3
[(Cl,Br)
 
2
|S
 
2
]
6.5.4Grechishchevite
Hg
2+
3
[(Br,Cl,I)
 
2
|S
 
2
]
6.5.5Radtkeite
Hg
2+
3
[Cl|I|S
 
2
]
6.5.6Capgaronnite
HgS·Ag(Cl,Br,I)
6.5.7Perroudite
Hg
 
5-x
Ag
 
4+x
S
 
5-x
(Cl,I,Br)
 
4+x
6.5.8Ardaite
Pb
 
19
Sb
 
13
S
 
35
Cl
 
7
6.5.10Radhakrishnaite
PbTe
 
3
(Cl,S)
 
2
6.5.11Djerfisherite
K
 
6
(Cu,Fe,Ni)
 
25
S
 
26
Cl
6.5.12Thalfenisite
Tl
 
6
(Fe,Ni,Cu)
 
25
S
 
26
Cl

Other Names for Dadsonite

Synonyms:
IMA1968-011
German names:
Dadsonit
Russian names:
Дадсонит
Spanish names:
Dadsonita

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 Dadsonite

Reference List:American Mineralogist: 55: 1445.

Canadian Mineralogist: 17: 601.

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.

Jambor, J. L. (1967b). New lead sulfantimonides from Madoc, Ontario. Part 2 – Mineral descriptions. Canadian Mineralogist, 9, 191-213.

Jambor, J. L. (1969). Dadsonite (mineral Q and QM), a new lead sulphantimonide. Mineralogical Magazine, 37, 437-441.

Mackovicky, E., & Mumme, W. G. (1984). The crystal structures of izoklakeite, dadsonite and jaskolskiite. 15thInt. Congress Crystallogr. (Hamburg), Coll. Abstr., C-246.

Mackovicky, E., Topa, D., & Mumme, W. G. (2006). The crystal structure of dadsonite. The Canadian Mineralogist, 44, 1499-1512.

Moëlo, Y. (1979). Quaternary compounds in the system Pb-Sb-S-Cl: dadsonite and synthetic phases. Canadian Mineralogist, 17, 595-600.

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.

Internet Links for Dadsonite

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  • Raman and XRD data at RRUFF project
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    Localities for Dadsonite

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    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.
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    (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.
    Canada
     
    • Northwest Territories
      • Yellowknife
    		Handbook of Mineralogy
    • Ontario
      • Hastings Co.
        • Huntingdon Township
          • Madoc
    		http://www.ontariominerals.com
    France
     
    • Provence-Alpes-Côte d'Azur
      • Alpes-de-Haute-Provence
        • Ubaye valley
    		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
    Germany
     
    • Saxony-Anhalt
      • Harz Mts
        • Harzgerode
          • Wolfsberg
    		Wittern: "Mineralfundorte in Deutschland", 2001
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamareza; Kamariza)
    		No reference listed
    Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian, Laurion: The Minerals in the Ancient Slags
    Italy
     
    • Tuscany
      • Lucca Province
        • Apuan Alps
          • Stazzema
    		Orlandi P., 2003. Buca della Vena: i solfosali aciculari di piombo e antimonio (Alpi Apuane, Toscana, Italia). Riv. Miner. Ital., 4: 224-229.
    Slovakia
     
    • Žilina Region
      • Northern Low Tatra Mts
        • Partizánska Lupča
    		Mackovicky, E., Topa, D., & Mumme, W. G. (2006). The crystal structure of dadsonite. The Canadian Mineralogist, 44, 1499-1512.
    USA
     
    • Nevada
      • Pershing Co.
        • Antelope Springs District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
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