Bismutoferrite
A valid IMA mineral species - grandfathered
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About Bismutoferrite
Formula:
Fe3+2Bi(SiO4)2(OH)
Colour:
yellow, green
Hardness:
6
Specific Gravity:
4.47
Crystal System:
Monoclinic
Name:
Named in allusion to its composition, containing BISMUTh and iron, (Latin = FERRum).
Type Locality:
Unique Identifiers
Mindat ID:
667
Long-form identifier:
mindat:1:1:667:5
GUID
(UUID V4):
(UUID V4):
84775801-01a7-4236-b125-9274b106cadd
IMA Classification of Bismutoferrite
Approved, 'Grandfathered' (first described prior to 1959)
Classification of Bismutoferrite
9.ED.25
9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
71.1.3.1
71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
14.14.8
14 : Silicates not Containing Aluminum
14 : Silicates of V and Bi
14 : Silicates not Containing Aluminum
14 : Silicates of V and Bi
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Bif | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Bismutoferrite
Transparency:
Translucent
Colour:
yellow, green
Streak:
light green
Hardness:
6 on Mohs scale
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
4.47 g/cm3 (Measured) 5.09 g/cm3 (Calculated)
Optical Data of Bismutoferrite
Type:
Biaxial
RI values:
nα = 1.930 nβ = 1.970 nγ = 2.010
Max Birefringence:
δ = 0.080
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v strong
Chemistry of Bismutoferrite
Mindat Formula:
Fe3+2Bi(SiO4)2(OH)
Common Impurities:
Al,As
Crystallography of Bismutoferrite
Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Space Group:
Bm
Setting:
Cm
Cell Parameters:
a = 5.21 Å, b = 9.02 Å, c = 7.74 Å
β = 100.67°
β = 100.67°
Ratio:
a:b:c = 0.578 : 1 : 0.858
Unit Cell V:
357.45 ų (Calculated from Unit Cell)
Z:
2
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0015576 | Bismutoferrite | Zhukhlistov A P, Zvyagin B B (1977) Determination of the crystal structures of chapmanite and bismuthoferrite by high-voltage electron diffraction Soviet Physics Crystallography 22 419-423 | 1977 | Schneeberg, Saxony, Germany | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
7.63 Å | (100) |
3.87 Å | (100) |
2.90 Å | (70) |
3.18 Å | (50) |
3.58 Å | (35) |
2.59 Å | (35) |
2.53 Å | (25) |
Comments:
Schneeberg, Germany. Data from Milton et al. (1958). Similar to that of chapmanite.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Near-surface Processes | |
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) | |
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Bismutoferrite
Place of Conservation of Type Material:
No designated type material.
Synonyms of Bismutoferrite
Hypochlorite (in part)
Other Language Names for Bismutoferrite
German:Bismutoferrit
Russian:Бисмутоферрит
Simplified Chinese:羟硅铋铁矿
Spanish:Bismutoferrita
Traditional Chinese:羥矽鉍鐵礦
Common Associates
Associated Minerals Based on Photo Data:
7 photos of Bismutoferrite associated with Erythrite | Co3(AsO4)2 · 8H2O |
5 photos of Bismutoferrite associated with Burgessite | Co2(H2O)4[AsO3(OH)]2(H2O) |
4 photos of Bismutoferrite associated with Calcite | CaCO3 |
3 photos of Bismutoferrite associated with Preisingerite | Bi3(AsO4)2O(OH) |
2 photos of Bismutoferrite associated with Kettnerite | CaBiCO3OF |
2 photos of Bismutoferrite associated with Bismuth | Bi |
2 photos of Bismutoferrite associated with Chalcocite | Cu2S |
1 photo of Bismutoferrite associated with Skutterudite | CoAs3 |
1 photo of Bismutoferrite associated with Annabergite | Ni3(AsO4)2 · 8H2O |
1 photo of Bismutoferrite associated with Eulytine | Bi4(SiO4)3 |
Related Minerals - Strunz-mindat Grouping
9.ED. | Clinochrysotile | |
9.ED.05 | Dickite | Al2(Si2O5)(OH)4 |
9.ED.05 | Kaolinite | Al2(Si2O5)(OH)4 |
9.ED.05 | Nacrite | Al2(Si2O5)(OH)4 |
9.ED.05 | Odinite | (Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4 |
9.ED.10 | Halloysite | Al2(Si2O5)(OH)4 |
9.ED.10 | Hisingerite | Fe3+2(Si2O5)(OH)4 · 2H2O |
9.ED.10 | Hydrohalloysite | Al2Si2O5(OH)4 · 2H2O |
9.ED.15 | Amesite | Mg2Al(AlSiO5)(OH)4 |
9.ED.15 | Antigorite | Mg3(Si2O5)(OH)4 |
9.ED.15 | Berthierine | (Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4 |
9.ED.15 | Brindleyite | (Ni,Al)3(Si,Al)2O5(OH)4 |
9.ED.15 | Caryopilite | Mn2+3Si2O5(OH)4 |
9.ED.15 | Cronstedtite | Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4 |
9.ED.15 | Fraipontite | (Zn,Al)3((Si,Al)2O5)(OH)4 |
9.ED.15 | Greenalite | (Fe2+,Fe3+)2-3Si2O5(OH)4 |
9.ED.15 | Kellyite | Mn2+2Al(AlSiO5)(OH)4 |
9.ED.15 | Lizardite | Mg3(Si2O5)(OH)4 |
9.ED.15 | Manandonite | Li2Al4(Si2AlB)O10(OH)8 |
9.ED.15 | Népouite | Ni3Si2O5(OH)4 |
9.ED.15 | Pecoraite | Ni3(Si2O5)(OH)4 |
9.ED.15 | Guidottiite | Mn2Fe3+(Fe3+SiO5)(OH)4 |
9.ED.15 va | Chromoamesite | Mg2(Al,Cr)(AlSiO5)(OH)4 |
9.ED.20 | Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
9.ED.20 | Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
9.ED.20 | Imogolite | Al2SiO3(OH)4 |
9.ED.20 | Neotocite | (Mn,Fe,Mg)SiO3 · H2O |
9.ED.25 | Chapmanite | Fe3+2Sb3+(Si2O5)O3(OH) |
9.ED.30 | Pianlinite | Al2Si2O6(OH)2 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Bismutoferrite
mindat.org URL:
https://www.mindat.org/min-667.html
Please feel free to link to this page.
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References for Bismutoferrite
Reference List:
Localities for Bismutoferrite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Australia | |
| Rankin et al. (2002) |
| Sharpe et al. (2004) |
| Pegmatites of Western Australia +3 other references |
Bolivia | |
| Wilson (2001) |
Canada | |
| Canadian Mineralogist 47 et al. (2009) |
| Traill (1983) |
Czech Republic | |
| Malý |
| Lapis 2002 (7/8) |
| Sejkora et al. (1994) |
| Beran (Ag, Au, Co) +2 other references |
| Sejkora et al. (2006) |
| Sejkora et al. (2007) +1 other reference |
France | |
| Wittern et al. (Cologne) +1 other reference |
Wittern et al. (Cologne) +1 other reference | |
Germany | |
| Walenta (1992) |
| Wittern (1995) |
| Walenta (1995) |
| |
| |
Walenta (1992) | |
| Walenta (1992) |
| Walenta (1992) |
| Habel (2009) |
| 90. +1 other reference |
| Wittern (2001) |
| Gröbner J. et al. (2006) |
| Gröbner J. +1 other reference |
| 62. +1 other reference |
| Hajek (2010) |
| Frenzel |
| Lapis 30 (7/8) |
Lapis 30 (7/8) | |
Bergakademie Freiberg collection (unnumbered specimen ) | |
Jambor et al. (1999) +1 other reference | |
| Am Min 43 (1958) |
Lapis 30 (7/8) | |
| Lapis 30 (7/8) |
Th. Witzke collection | |
| Lapis 30 (7/8) |
| Lapis 30 (7/8) |
| Mineralogical Society of America - ... |
| T. Witzke et al.: Lapis 2001 (12) |
Greece | |
| Rieck et al. (2020) |
| Rieck et al. (2020) |
Japan | |
| Matsubara & Miyawaki (2006) |
| Nagashima et al. (2021) |
Poland | |
| Mochnacka et al. (2012) |
Romania | |
| minerals-of-the-carpathians.eu (2008) |
Russia | |
| Alekseev et al. (2015) |
Slovakia | |
| Szakáll et al. (2013) |
South Africa | |
| Cairncross et al. (1995) |
Spain | |
| Sainz de Baranda Graf et al. (2023) |
UK | |
| Golley et al. (1995) +1 other reference |
| Kingsbury (1963) +1 other reference |
| Dunning et al. (1998) +1 other reference |
USA | |
| Mineralogical Record (1998) |
| Huff et al. (1996) +1 other reference |
| Mineralogical Society of America - ... |
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Pucher Shaft, Wolfgangmaßen mines, Wolfgangmaßen, Neustädtel, Schneeberg, Erzgebirgskreis, Saxony, Germany