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Felbertalite

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Western ore field, Scheelite deposit, Felben valley, Hohe Tauern Mts, Salzburg, Austria
© Thomas Witzke

Show Felbertalite Photos (2)
Formula:
Cu
 
2
Pb
 
6
Bi
 
8
S
 
19
System:MonoclinicColour:Greyish white
Hardness:3½ - 4
Name:From Felbertal.


Forms a homologous series with Junoite.

Related to proudite.

Classification of Felbertalite

IMA status:Approved 1999
Strunz 8th edition ID:2/E.34-85
Nickel-Strunz 10th (pending) edition ID:2.JB.25b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
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Type Occurrence of Felbertalite

Type Locality:Western ore field, Scheelite deposit, Felben valley, Hohe Tauern Mts, Salzburg, Austria
Geological Setting of type material:In laminated discordant quartz veins.
Associated Minerals at type locality:
Se-free ProuditeSe-free JunoiteScheelitePyrrhotitePyrite
CosaliteChalcopyriteCannizzariteBismuthiniteArgentian Lillianite

Physical Properties of Felbertalite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Greyish white
Streak:Greyish black
Hardness (Mohs):3½ - 4
Hardness (Vickers):VHN25=206 kg/mm2
Hardness Data:Measured
Tenacity:Brittle
Cleavage:Perfect
{001}
Fracture:Irregular/Uneven
Density (calculated):6.88 g/cm3

Crystallography of Felbertalite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Cell Parameters:a = 27.637Å, b = 4.0499Å, c = 20.741Å
β = 131.258°
Ratio:a:b:c = 6.824 : 1 : 5.121
Unit Cell Volume:V 1745.1 ų
Z:2
X-Ray Powder Diffraction:
d-spacingIntensity
3.78 (S)
3.51 (S)
3.38 (S)
2.320 (S)
2.096 (S)
2.062 (S)
2.031 (S)
1.744 (S)
2.918 (S)

Optical Data of Felbertalite

Type:Anisotropic
Anisotropism:Disinct
Bireflectance:Perceptible in air, more noticable in oil.
Reflectivity:
470nmR1=42.70%R2= 46.10%imR1= 27.40%imR2= 29.55%
546nmR1=40.65%R2= 44.30%imR1= 25.50%imR2= 27.40%
589nmR1=39.50%R2= 43.20%imR1= 24.65%imR2= 26.60%
650nmR1=38.90%R2= 43.10%imR1= 23.95%imR2= 25.90%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 46.10%.
R1 shown in black, R2 shown in red, imR1 shown in green, imR2 shown in blue
Colour in reflected light:White
Pleochroism:Visible
Comments:Greyish-white and creamy white

Chemical Properties of Felbertalite

Formula:
Cu
 
2
Pb
 
6
Bi
 
8
S
 
19
Essential elements:Bi, Cu, Pb, S
All elements listed in formula:Bi, Cu, Pb, S

Relationship of Felbertalite 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.25hWeibullite
Pb
 
5
Bi
 
8
Se
 
7
S
 
11
2.JB.25jRouxelite
Cu
 
2
HgPb
 
23
Sb
 
27
S
 
65.5
2.JB.25fAngelaite
Cu
 
2
AgPbBiS
 
4
2.JB.25iIMA2008-053
Cu
 
7
Pb
 
27
Bi
 
25
S
 
68
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
(Cd,Mn,Fe)Ag
 
5.5
Pb
 
12
Sb
 
21.5
S
 
48
2.JB.40aRoshchinite
Ag
 
19
Pb
 
10
Sb
 
51
S
 
96
2.JB.40dSchirmerite
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.40UM1988-05-S:AgBiCuHgPb
(Hg,Ag,Cu,Pb)
 
5
Pb
 
5
Bi
 
11
S
 
27
2.JB.40UM1988-06-S:AgBiCuHgPb
(Pb,Hg)
 
12
(Cu,Ag)
 
3
(Bi,Sb)
 
10
(S,Te)
 
27
2.JB.40aAndorite IV
Pb
 
18
Ag
 
15
Sb
 
47
S
 
96
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

Other Names for Felbertalite

Synonyms:
IMA1999-042
Other Languages:
German:Felbertalit
Russian:Фельберталит
Spanish:Felbertalita

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 Felbertalite

Reference List:European Journal of Mineralogy: 13: 961-972.

Internet Links for Felbertalite

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  • Raman and XRD data at RRUFF project
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  • Search for Felbertalite in the Natural History Museum (London) online catalogue
  • Felbertalite details from Handbook of Mineralogy (PDF)
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    Localities for Felbertalite

    Hide Locality List
    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.
    (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.
    Austria
     
    • Carinthia
      • Hohe Tauern Mts
        • Goldberg group
          • Innerfragant
            • Großfragant
    		W. Günther, W. Paar, F. Gruber, V. Höck: Schatzkammer Hohe Tauern - 2000 Jahre Goldbergbau, Anton Pustet (Salzburg, Munich), 2000
    • Salzburg
      • Hohe Tauern Mts
        • Felben valley
          • Scheelite deposit
    		Eur. J. Mineral. 13:961-972
    China
     
    • Jiangsu Province
      • Nanjing Prefecture
        • Jiangning District
          • Ningzhen Mining District
    		Xiangping, G., Watanabe, M., Ohkawa, M., Hoshino, K., Shibata, Y., and Desong, C. (2001): Canadian Mineralogist 39(6), 1641-1652.
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Rudawy Janowickie Mts
        • Czarnów
          • Rędziny
    		Gołębiowska B., Pieczka A., Parafiniuk J. 2005: Minerals of the bismuthinite-aikinite series from Rędziny (Western Sudetes). Mineralogical Society of Poland - Special Papers, vol. 26, 165-168.
    Portugal
     
    • Beja District
      • Almodôvar
        • Herdade de Monte Novo
    		Eur. J. Mineral., 13:961-972.
    Mineral and/or Locality
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