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Weibullite

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Falun, Dalarna, Sweden
© Brent Thorne 2008

Formula:
Pb
 
5
Bi
 
8
Se
 
7
S
 
11
System:OrthorhombicColour:Steel-gray
Hardness:2 - 3
Name:Named after Kristian Oskar Mats Weibull (1856-1923), who first described the mineral.
This page provides mineralogical data about Weibullite.

Classification of Weibullite

IMA status:Approved
Strunz 8th edition ID:2/E.34-30
Nickel-Strunz 10th (pending) edition ID:2.JB.25h

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
Dana 8th edition ID:3.6.18.1

3 : SULFOSALTS
6 : 2 < ø < 2.49
Hey's CIM Ref.:5.6.30

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
6 : Sulpharsenites etc. of Pb alone
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Type Occurrence of Weibullite

Type Locality:Falu mine, Falun, Dalarna, Sweden
Year of Discovery:1910

Physical Properties of Weibullite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Steel-gray
Streak:Dark gray
Hardness (Mohs):2 - 3
Tenacity:Very brittle
Cleavage:Distinct/Good
One good, parallel to the elongation.
Density (measured):6.97 - 7.145 g/cm3

Crystallography of Weibullite

Crystal System:Orthorhombic
Cell Parameters:a = 15.39Å, b = 4.06Å, c = 53.8Å
Ratio:a:b:c = 3.791 : 1 : 13.251
Unit Cell Volume:V 3,361.61 ų (Calculated from Unit Cell)
Morphology:Indistinct prismatic crystals. Massive, prismatic to fibrous or foliated.

Optical Data of Weibullite

Type:Anisotropic
Anisotropism:Strong
Colour in reflected light:White
Pleochroism:Strong

Chemical Properties of Weibullite

Formula:
Pb
 
5
Bi
 
8
Se
 
7
S
 
11
Essential elements:Bi, Pb, S, Se
All elements listed in formula:Bi, Pb, S, Se
Common Impurities:Ag,Cu,As

Relationship of Weibullite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.JB.05Diaphorite
Ag
 
3
Pb
 
2
Sb
 
3
S
 
8
2.JB.10Cosalite
Pb
 
2
Bi
 
2
S
 
5
2.JB.15Freieslebenite
AgPbSbS
 
3
2.JB.15Marrite
AgPbAsS
 
3
2.JB.20Cannizzarite
Pb
 
4
Bi
 
6
S
 
13
2.JB.20Wittite
Pb
 
9
Bi
 
12
(S,Se)
 
27
2.JB.25aJunoite
Cu
 
2
Pb
 
3
Bi
 
8
(S,Se)
 
16
2.JB.25iNeyite
Pb
 
7
(Cu,Ag)
 
2
Bi
 
6
S
 
17
2.JB.25cNordströmite
CuPb
 
3
Bi
 
7
(Se
 
4
S
 
10
)
2.JB.25gNuffieldite
Pb
 
2
Cu(Pb,Bi)Bi
 
2
S
 
7
2.JB.25dProudite
CuPb
 
7.5
Bi
 
9.33
(S,Se)
 
22
2.JB.25bFelbertalite
Cu
 
2
Pb
 
6
Bi
 
8
S
 
19
2.JB.25jRouxelite
Cu
 
2
HgPb
 
23
Sb
 
27
S
 
65.5
2.JB.25fAngelaite
Cu
 
2
AgPbBiS
 
4
2.JB.30aGeocronite
Pb
 
14
(Sb,As)
 
6
S
 
23
2.JB.30aJordanite
Pb
 
14
(As,Sb)
 
6
S
 
23
2.JB.30bKirkiite
Pb
 
10
Bi
 
3
As
 
3
S
 
19
2.JB.30cTsugaruite
Pb
 
4
As
 
2
S
 
7
2.JB.35cPillaite
Pb
 
9
Sb
 
10
S
 
23
ClO
 
0.5
2.JB.35aZinkenite
Pb
 
9
Sb
 
22
S
 
42
2.JB.35bScainiite
Pb
 
14
Sb
 
30
S
 
54
O
 
5
2.JB.35dPellouxite
(Cu,Ag)Pb
 
10
Sb
 
12
S
 
27
O(Cl,S)
 
0.6
2.JB.40bAschamalmite
Pb
 
6
Bi
 
2
S
 
9
2.JB.40aBursaite
Pb
 
5
Bi
 
4
S
 
11
2.JB.40bEskimoite
Ag
 
7
Pb
 
10
Bi
 
15
S
 
36
2.JB.40aFizélyite
Pb
 
14
Ag
 
5
Sb
 
21
S
 
48
 ?
2.JB.40aGustavite
Ag
 
3
Pb
 
5
Bi
 
11
S
 
24
2.JB.40aLillianite
Pb
 
3
Bi
 
2
S
 
6
2.JB.40cOurayite
Ag
 
3
Pb
 
4
Bi
 
5
S
 
13
2.JB.40aRamdohrite
Ag
 
3
Pb
 
6
Sb
 
11
S
 
24
2.JB.40aRoshchinite
Ag
 
19
Pb
 
10
Sb
 
51
S
 
96
2.JB.40Schirmerite
AgPb
 
2
Bi
 
3
S
 
7
2.JB.40aTreasurite
Ag
 
7
Pb
 
6
Bi
 
15
S
 
32
2.JB.40aUchucchacuaite
AgMnPb
 
3
Sb
 
5
S
 
12
2.JB.40eUstarasite
Pb(Bi,Sb)
 
6
S
 
10
 (?)
2.JB.40aVikingite
Ag
 
5
Pb
 
8
Bi
 
13
S
 
30
2.JB.40aXilingolite
Pb
 
3
Bi
 
2
S
 
6
2.JB.40bHeyrovskýite
Pb
 
10
AgBi
 
5
S
 
18
2.JB.40aAndorite IV
Pb
 
18
Ag
 
15
Sb
 
47
S
 
96
2.JB.40aAndorite VI
PbAgSb
 
3
S
 
6
2.JB.55Gratonite
Pb
 
9
As
 
4
S
 
15
2.JB.60Marrucciite
Hg
 
3
Pb
 
16
Sb
 
18
S
 
46
2.JB.65Vurroite
Pb
 
20
Sn
 
2
(Bi,As)
 
22
S
 
54
Cl
 
6
Related Minerals - Hey's Index Grouping:

- +
5.6.1Sartorite
PbAs
 
2
S
 
4
5.6.2Dufrénoysite
Pb
 
2
As
 
2
S
 
5
5.6.3Liveingite
Pb
 
9
As
 
13
S
 
28
5.6.4Baumhauerite
Pb
 
3
As
 
4
S
 
9
5.6.5Gratonite
Pb
 
9
As
 
4
S
 
15
5.6.6Jordanite
Pb
 
14
(As,Sb)
 
6
S
 
23
5.6.7Fülöppite
Pb
 
3
Sb
 
8
S
 
15
5.6.8Zinkenite
Pb
 
9
Sb
 
22
S
 
42
5.6.9Plagionite
Pb
 
5
Sb
 
8
S
 
17
5.6.10Heteromorphite
Pb
 
7
Sb
 
8
S
 
19
5.6.11Launayite
Pb
 
22
Sb
 
26
S
 
61
5.6.12Playfairite
Pb
 
16
Sb
 
18
S
 
43
5.6.13Semseyite
Pb
 
9
Sb
 
8
S
 
21
5.6.14Madocite
Pb
 
17
Sb
 
16
S
 
41
5.6.15Boulangerite
Pb
 
5
Sb
 
4
S
 
11
5.6.17Robinsonite
Pb
 
4
Sb
 
6
S
 
13
5.6.18Guettardite
Pb(Sb,As)
 
2
S
 
4
5.6.19Twinnite
Pb(Sb,As)
 
2
S
 
4
5.6.20Veenite
Pb
 
2
(Sb,As)
 
2
S
 
5
5.6.21Sorbyite
Pb
 
19
(Sb,As)
 
20
S
 
49
5.6.22Geocronite
Pb
 
14
(Sb,As)
 
6
S
 
23
5.6.23Galenobismutite
PbBi
 
2
S
 
4
5.6.24Cosalite
Pb
 
2
Bi
 
2
S
 
5
5.6.25Cannizzarite
Pb
 
4
Bi
 
6
S
 
13
5.6.26Lillianite
Pb
 
3
Bi
 
2
S
 
6
5.6.27Giessenite
Pb
 
27
Cu
 
2
(Bi,Sb)
 
19
S
 
57
5.6.28 Platynite
5.6.29Xilingolite
Pb
 
3
Bi
 
2
S
 
6
5.6.31Wittite
Pb
 
9
Bi
 
12
(S,Se)
 
27
5.6.32Kirkiite
Pb
 
10
Bi
 
3
As
 
3
S
 
19
5.6.33Ustarasite
Pb(Bi,Sb)
 
6
S
 
10
 (?)

Other Names for Weibullite

Synonyms:
SelenbleiwismutglanzSelenbleiwismuthglanzSeleniferous Galenobismutite
Other Languages:
German:Selenhaltiger Galenobismutite
Weibullit
Russian:Вейбуллит
Spanish:Weibullita

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 Weibullite

Reference List:Weibull (1885), Geol. För. Förh.: 7: 657 (as Selenhaltiger Galenobismutite).

Genth (1885) American Philosophical Society, Proceedings: 23: 34 (as Seleniferous Galenobismutite).

Groth (1889): 28 (as Selenbleiwismuthglanz)

Groth (1898): 33 (as Selenbleiwismuthglanz).

Flink (1910), Arkiv för Kemi, Mineralogi och Geologi:3: 4.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 473-474.

American Mineralogist (1971): 56: 639.

American Mineralogist (1977): 62: 397.

Mumme, W.G. (1980) Weibullite Ag0.32Pb5.09Bi8.55Se6.08S11.92 from Falun, Sweden: a higher homologue of galenobismutite. Canadian Mineralogist: 18: 1-12.

American Mineralogist (1980): 65: 789-796.


Articles/Blogs about Weibullite

Internet Links for Weibullite

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    Localities for Weibullite

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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.
    Russia
     
    • Far-Eastern Region
      • Magadanskaya Oblast'
        • Omsukchan
    Sweden
     
    • Dalarna
      • Falun
    		Arkiv Kemi Min.Geol.(1910) 3, 4
    Switzerland
     
    • Wallis (Valais)
      • Le Trient Valley
        • Les Marécottes
    		Am Min 88:4 pp 676-685
    Mineral and/or Locality
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