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Bismutostibiconite

Formula:
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
System:IsometricColour:Yellow to yellow-brown, ...
Hardness:4 - 5
Name:Named as a bismuth-containing member of the stibiconite group.


Stibiconite Group

Classification of Bismutostibiconite

IMA status:Approved
Strunz 8th edition ID:4/C.11-60
Nickel-Strunz 10th (pending) edition ID:4.DH.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra
Dana 8th edition ID:44.1.1.6

44 : ANTIMONATES
1 : A2X2O6(O,OH,F)
Hey's CIM Ref.:7.13.9

7 : Oxides and Hydroxides
13 : Oxides of As, Sb and Bi
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Type Occurrence of Bismutostibiconite

Co-type Localities:Neubulach, Calw, Black Forest, Baden-Württemberg, Germany
Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
General Appearance of Type Material:Earthy crusts
Geological Setting of type material:Alteration product of bismuthian fahlore
Associated Minerals at type locality:
Tennantite-Tetrahedrite SeriesPreisingeriteOliveniteMalachiteChalcopyrite
BismutiteBeyeriteAzuriteAtelestite

Physical Properties of Bismutostibiconite

Diaphaneity (Transparency):Transparent, Opaque
Colour:Yellow to yellow-brown, rarely greenish; brownish in transmitted light
Hardness (Mohs):4 - 5
Density (calculated):7.38 g/cm3

Crystallography of Bismutostibiconite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Fd3m (F41/d 3 2/m)
Cell Parameters:a = 10.38Å
Unit Cell Volume:V 1,118.39 ų (Calculated from Unit Cell)
Z:8
Morphology:Always anhedral, forming earthy crusts
X-Ray Powder Diffraction:
d-spacingIntensity
3.01 (10)
2.60 (7)
1.833 (7)
1.565 (7)
1.190 (5)
1.162 (5)
Comments:Recorded on material from Neubulach, Germany

Optical Data of Bismutostibiconite

Type:Isotropic
RI values: n = 2.09
Maximum Birefringence:δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:Very High

Chemical Properties of Bismutostibiconite

Formula:
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
Essential elements:Bi, O, Sb
All elements listed in formula:Bi, Fe, O, Sb
Analyical Data:Electron microprobe analysis of material from Clara Mine, Germany
Fe2O3  (6.9)
Bi2O3 (49.2)
Sb2O3 (43.9)

sum   100.0 wt.-%
Empirical Formula:
Bi
 
1.31
(Sb
5+
1.69
Fe
3+
0.54
)
 
=2.23
O
 
7

Relationship of Bismutostibiconite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.DH.05Brannerite
(U
4+
 
,Ca)(Ti,Fe
3+
 
)
 
2
O
 
6
4.DH.05Orthobrannerite
UTi
 
4
O
 
12
(OH)
 
2
4.DH.05Thorutite
(Th,U,Ca)Ti
 
2
(O,OH)
 
6
4.DH.10Kassite
CaTi
 
2
O
 
4
(OH)
 
2
4.DH.10Lucasite-(Ce)
CeTi
 
2
(O,OH)
 
6
4.DH.15Alumotungstite
(W,Al)(O,OH)
 
3
4.DH.15Bariomicrolite
Ba(Ta,Nb)
 
2
(O,OH)
 
7
4.DH.15Bariopyrochlore
(Ba,Sr)
 
2
(Nb,Ti)
 
2
(O,OH)
 
7
4.DH.15Betafite
(Ca,U)
 
2
(Ti,Nb)
 
2
O
 
6
(OH)
4.DH.15Bismutomicrolite
(Bi,Ca)(Ta,Nb)
 
2
O
 
6
(OH)
4.DH.15Calciobetafite
(Ca,RE,Th,U)
 
2
(Nb,Ta,Ti)
 
2
O
 
7
4.DH.15Ceriopyrochlore-(Ce)
(Ce,Ca,Y)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Cesstibtantite
(Cs,Na)SbTa
 
4
O
 
12
4.DH.15Ferritungstite
(W,Fe
3+
 
)(O,OH)
 
3
4.DH.15Jixianite
Pb(W,Fe
3+
 
)
 
2
(O,OH)
 
7
4.DH.15Kalipyrochlore
(K,Sr)
 
2-x
Nb
 
2
O
 
6
(O,OH)·nH
 
2
O
4.DH.15Microlite
(Ca,Na)
 
2
Ta
 
2
O
 
6
(O,OH,F)
4.DH.15Natrobistantite
(Na,Cs)Bi(Ta,Nb,Sb)
 
4
O
 
12
4.DH.15Plumbopyrochlore
(Pb,Y,U,Ca)
 
2-x
Nb
 
2
O
 
6
(OH)
4.DH.15Plumbomicrolite
(Pb,Ca,U)
 
2
Ta
 
2
O
 
6
(OH)
4.DH.15Plumbobetafite
(Pb,U,Ca)(Ti,Nb)
 
2
O
 
6
(OH,F)
4.DH.15Pyrochlore
(Ca,Na)
 
2
Nb
 
2
O
 
6
(OH,F)
4.DH.15Stibiomicrolite
(Sb,Ca,Na)
 
2
(Ta,Nb)
 
2
O
 
7
4.DH.15Strontiopyrochlore
(Sr,Ce,Ca)
 
0.66
(Nb,Fe)
 
2
(O,OH)
 
7
4.DH.15Stannomicrolite
(Sn,Fe,Mn)
 
2
(Ta,Nb,Sn)
 
2
(O,OH)
 
7
4.DH.15Stibiobetafite
(Sb,Ca)
 
2
(Ti,Nb,Ta)
 
2
(O,OH)
 
7
4.DH.15Uranmicrolite
(U,Ca,Ce)
 
2
(Ta,Nb)
 
2
O
 
6
(OH,F)
4.DH.15Uranpyrochlore
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Yttrobetafite-(Y)
(Y,U,Ce)
 
2
(Ti,Nb,Ta)
 
2
O
 
6
OH
4.DH.15Yttropyrochlore-(Y)
(Y,Na,Ca,U)
 
1-2
(Nb,Ta,Ti)
 
2
(O,OH)
 
7
4.DH.15Fluornatromicrolite
(Na,Ca,Bi)
 
2
Ta
 
2
O
 
6
F
4.DH.15Bismutopyrochlore
(Bi,U,Ca,Pb)
 
1+x
(Nb,Ta)
 
2
O
 
6
(OH)·nH
 
2
O
4.DH.15Thorian Pyrochlore
4.DH.15Elsmoreite
WO
 
3
·0.5H
 
2
O
4.DH.20Bindheimite
Pb
 
2
Sb
 
2
O
 
6
(O,OH)
4.DH.20Monimolite
(Pb,Ca,Fe)
 
3
Sb
 
2
O
 
7
4.DH.20Partzite
Cu
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Roméite
(Ca,Fe,Mn,Na)
 
2
(Sb,Ti)
 
2
O
 
6
(O,OH,F)
4.DH.20Stetefeldtite
Ag
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stibiconite
SbSb
 
2
O
 
6
(OH)
4.DH.25Rosiaite
PbSb
5+
2
O
 
6
4.DH.30Zirconolite
CaZrTi
 
2
O
 
7
4.DH.35Liandratite
U(Nb,Ta)
 
2
O
 
8
4.DH.35Petscheckite
UFe(Nb,Ta)
 
2
O
 
8
4.DH.40Ingersonite
Ca
 
3
MnSb
 
4
O
 
14
4.DH.45Pittongite
Na
 
0.22
(W,Fe
3+
 
)(O,OH)
 
3
 · 0.44H
 
2
O
Related Minerals - Hey's Index Grouping:
7.13.1Arsenolite
As
 
2
O
 
3
7.13.2Claudetite
As
 
2
O
 
3
7.13.3Sénarmontite
Sb
 
2
O
 
3
7.13.4Valentinite
Sb
 
2
O
 
3
7.13.5Cervantite
Sb
3+
 
Sb
5+
 
O
 
4
7.13.6Stibiconite
SbSb
 
2
O
 
6
(OH)
7.13.7Bahianite
Al
 
5
Sb
 
3
O
 
14
(OH)
 
2
7.13.8Cyanophyllite
(Cu,Al)
 
3
[(OH)
 
6
|Sb
5+
 
(OH)
 
6
]
7.13.107.13.11Stibivanite
Sb
 
2
VO
 
5
7.13.12Bismite
Bi
 
2
O
 
3
7.13.13Sillénite
Bi
 
12
SiO
 
20

Other Names for Bismutostibiconite

Synonyms:
IMA1981-065
German names:
Bismutostibiconit
Spanish names:
Bismutostibiconita

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 Bismutostibiconite

Reference List:Walenta, K. (1983): Bismutostibiconit, ein neues Mineral der Stibiconitgruppe aus dem Schwarzwald. Chemie der Erde 42, 77-81 (in German with English abstract). - American Mineralogist (1984), 69, 1190 (abstract).

Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 64.

Internet Links for Bismutostibiconite

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    Localities for Bismutostibiconite

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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.
    Australia
     
    • New South Wales
      • Gough Co.
        • Kingsgate
    		Sharpe, J.L., & Williams P.A. (2004) - Secondary bismuth and molybdenum minerals from Kingsgate, New England district of New South Wales.- Australian Journal of Mineralogy, vol.10, n°1.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Calw
    		No reference listed
        • Gengenbach
          • Hinterohlsbach
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 64
        • Offenburg
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Chemie der Erde,(1983) 42, 77-81; Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
    USA
     
    • California
      • Plumas Co.
        • Last Chance District
          • Spring Creek area
    		[MinRecord 29:165]
    Mineral and/or Locality
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