Stibiconite
A material that is NOT an approved mineral species
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About Stibiconite
Formula:
Sb3+Sb5+2O6(OH)
Colour:
White, creamy-white, light to sulphur-yellow, orange, light brown; colourless to cloudy in transmitted light
Lustre:
Pearly, Earthy
Hardness:
5½ - 7
Specific Gravity:
3.3 - 5.5
Crystal System:
Isometric
Name:
Named by Beudant in 1832 from the Greek "stibi", antimony, plus "konis", powder, alluding to its composition and habit.
First Recorded Locality:
Stibiconite was for a long time an acknowledged species, but is now questionable, in line with the revised nomenclature of the minerals of the pyrochlore supergroup (Atencio et al. 2010).
Stibiconite is not, as yet, a discredited mineral and is classified as 'Grandfathered' by the IMA. Full characterization of 'stibiconite' specimens is difficult, requiring full quantification of the oxidation states of Sb for complete characterization to determine whether it is a Sb3+ dominant romeite species or a new phase related to known synthetic phases Sb2O5 · 1-3H2O which have been reported to have a pyrochlore structure and contain no Sb3+ (Christy & Atencio, 2013).
Stibiconite is not, as yet, a discredited mineral and is classified as 'Grandfathered' by the IMA. Full characterization of 'stibiconite' specimens is difficult, requiring full quantification of the oxidation states of Sb for complete characterization to determine whether it is a Sb3+ dominant romeite species or a new phase related to known synthetic phases Sb2O5 · 1-3H2O which have been reported to have a pyrochlore structure and contain no Sb3+ (Christy & Atencio, 2013).
Unique Identifiers
Mindat ID:
3776
Long-form identifier:
mindat:1:1:3776:7
GUID
(UUID V4):
(UUID V4):
1bf9ad5d-895c-4ee5-811e-e02002d44c86
IMA Classification of Stibiconite
'Grandfathered' (first described prior to 1959), Questionable
Classification of Stibiconite
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
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
44.1.1.1
44 : ANTIMONATES
1 : A2X2O6(O,OH,F)
44 : ANTIMONATES
1 : A2X2O6(O,OH,F)
7.13.6
7 : Oxides and Hydroxides
13 : Oxides of As, Sb and Bi
7 : Oxides and Hydroxides
13 : Oxides of As, Sb 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 |
---|---|---|
Sbc | 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 Stibiconite
Pearly, Earthy
Transparency:
Transparent
Colour:
White, creamy-white, light to sulphur-yellow, orange, light brown; colourless to cloudy in transmitted light
Hardness:
5½ - 7 on Mohs scale
Comment:
When compact
Density:
3.3 - 5.5 g/cm3 (Measured)
Chemistry of Stibiconite
Mindat Formula:
Sb3+Sb5+2O6(OH)
Elements listed:
Crystallography of Stibiconite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Cell Parameters:
a = 10.275(20) Å
Unit Cell V:
1,084.79 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Massive, botryoidal, as crusts that may be concentrically zoned and up to several cm thick; typically powdery, compact.
Comment:
Space Group: F d3m.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
5.93 Å | (90) |
3.09 Å | (70) |
2.96 Å | (100) |
2.57 Å | (40) |
1.81 Å | (80) |
1.55 Å | (60) |
1.18 Å | (40) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47d : [Arsenates, antimonates, selenates, bismuthinates] |
Geological Setting:
Secondary mineral in hydrothermal deposits, mainly replacing stibnite.
First Recorded Occurrence of Stibiconite
Synonyms of Stibiconite
Other Language Names for Stibiconite
Common Associates
Associated Minerals Based on Photo Data:
227 photos of Stibiconite associated with Stibnite | Sb2S3 |
50 photos of Stibiconite associated with Sulphur | S8 |
45 photos of Stibiconite associated with Quartz | SiO2 |
44 photos of Stibiconite associated with Valentinite | Sb2O3 |
42 photos of Stibiconite associated with Baryte | BaSO4 |
18 photos of Stibiconite associated with Calcite | CaCO3 |
18 photos of Stibiconite associated with Cervantite | Sb3+Sb5+O4 |
17 photos of Stibiconite associated with Senarmontite | Sb2O3 |
14 photos of Stibiconite associated with Chert | |
13 photos of Stibiconite associated with Fluorite | CaF2 |
Related Minerals - Strunz-mindat Grouping
4.DH. | Fluornatropyrochlore | (Na,Pb,Ca,REE,U)2Nb2O6F |
4.DH. | Roméite Group | A2(Sb5+)2O6Z |
4.DH. | Hydroxykenomicrolite | (◻,Na,Sb3+)2Ta2O6(OH) |
4.DH. | Fluornatroroméite | (Na,Ca)2Sb2(O,OH)6F |
4.DH. | Oxyplumboroméite | Pb2Sb2O6O |
4.DH. | Cesiokenopyrochlore | ◻Nb2(O,OH)6(Cs,◻) |
4.DH. | Oxyyttrobetafite-(Y) | Y2Ti2O6O |
4.DH.05 | Brannerite | UTi2O6 |
4.DH.05 | Orthobrannerite | U4+U6+Ti4O12(OH)2 |
4.DH.05 | Thorutite | (Th,U,Ca)Ti2(O,OH)6 |
4.DH.10 | Kassite | CaTi2O4(OH)2 |
4.DH.10 | Lucasite-(Ce) | CeTi2(O,OH)6 |
4.DH.15 va | Alumotungstite | ◻2W2O6(H2O) |
4.DH.15 | Bismutomicrolite (of Hogarth 1977) | |
4.DH.15 | Hydroplumboelsmoreite | (Pb,◻)(W,Fe3+)2O6 · H2O |
4.DH.15 | Hydropyrochlore | (H2O,◻)2Nb2(O,OH)6(H2O) |
4.DH.15 | Plumbomicrolite (of Hogarth 1977) | |
4.DH.15 | Stibiomicrolite (of Groat et al.) | |
4.DH.15 | Strontiopyrochlore (of Hogarth 1977) | A2Nb2(O,OH)6Z |
4.DH.15 | Fluornatromicrolite | (Na1.5Bi0.5)Ta2O6F |
4.DH.15 | Bismutopyrochlore (of Chukanov et al.) | (Bi,Ca,U,Pb)2-xNb2(O,OH)6(OH) |
4.DH.15 | Hydrokenoelsmoreite | ◻2W2O6(H2O) |
4.DH.15 | Fluorcalciomicrolite | (Ca,Na)2(Ta,Nb)2O6F |
4.DH.15 | Oxycalciobetafite | Ca2(Ti,Nb)2O6O |
4.DH.15 va | Yttromicrolite (of Hogarth) | (Ca,Y3+,U,Na)2-x(Ta,Nb,Ti,Fe3+)2O7 |
4.DH.15 | Oxynatropyrochlore | (Na,Ca,U)2Nb2O6(O,OH) |
4.DH.15 | Hydroxycalciopyrochlore | (Ca,Na,U,◻)2(Nb,Ti)2O6(OH) |
4.DH.15 | Fluorcalciopyrochlore | (Ca,Na)2(Nb, Ti)2O6F |
4.DH.15 | Oxycalciopyrochlore | Ca2Nb2O6O |
4.DH.15 | Fluorstrontiopyrochlore | (Sr,◻)2Nb2(O,OH)6F |
4.DH.15 | Oxyplumbopyrochlore | Pb2Nb2O6O |
4.DH.15 | Kenoplumbopyrochlore | (Pb,◻)Nb2O6(◻,O) |
4.DH.15 | Oxyyttropyrochlore-(Y) | (Y,◻)2Nb2O6O |
4.DH.15 | Fluorkenopyrochlore | (◻,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F |
4.DH.15 | Oxyuranobetafite | (U,Ca,◻)2(Ti,Nb)2O6O |
4.DH.15 | Oxycalciomicrolite | Ca2Ta2O6O |
4.DH.15 | Oxystannomicrolite | Sn2Ta2O6O |
4.DH.15 | Kenoplumbomicrolite | (Pb,◻)2Ta2O6(◻,OH,O) |
4.DH.15 | Oxystibiomicrolite | (Sb3+,Ca)2Ta2O6O |
4.DH.15 | Hydromicrolite | (H2O,◻)2Ta2(O,OH)6(H2O) |
4.DH.15 | Hydrokenomicrolite | (◻,H2O)2Ta2(O,OH)6(H2O) |
4.DH.15 | Hydroxymanganopyrochlore | (Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH) |
4.DH.15 | Hydroxycalciomicrolite | Ca1.5Ta2O6(OH) |
4.DH.15 | Fluorplumbopyrochlore | (Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6F |
4.DH.15 | Hydroxyplumbopyrochlore | (Pb1.5◻0.5)Nb2O6(OH) |
4.DH.15 | Oxynatromicrolite | (Na,Ca,U)2(Ta,Nb)2O6(O,F) |
4.DH.15 | Fluorhydropyrochlore | |
4.DH.15 | Hydroxykenoelsmoreite | (◻,Pb)2(W,Fe3+,Al)2(O,OH)6(OH) |
4.DH.15 | Hydrokenopyrochlore | (◻,x)2Nb2O6(H2O,Cs) |
4.DH.15 | Hydroxykenopyrochlore | (◻,Ce,Ba)2(Nb,Ti)2O6(OH,F) |
4.DH.15 | Hydroxynatropyrochlore | (Na,Ca,Ce)2Nb2O6(OH) |
4.DH.15 | Hydroxynatromicrolite | (Na,Bi3+,◻)2Ta2O6(OH) |
4.DH.15 | Unnamed (Sb-analogue of Hydroxymanganopyrochlor) | (Mn,Ca,Y)2(Sb,Ti)2O6(OH) |
4.DH.15 | Oxybismutomicrolite | (Bi1.33◻0.67)Σ2Ta2O6O |
4.DH.20 | Bindheimite | Pb2Sb2O6O |
4.DH.20 | Hydroxycalcioroméite | (Ca,Sb3+)2(Sb5+,Ti)2O6(OH) |
4.DH.20 | Monimolite | Pb2Sb5+2O7 |
4.DH.20 | Cuproroméite | Cu2Sb2(O,OH)7 |
4.DH.20 | Stetefeldtite | Ag2Sb2(O,OH)7 |
4.DH.20 | Fluorcalcioroméite | (Ca,Na,◻)2Sb5+2(O,OH)6F |
4.DH.20 | Oxycalcioroméite | Ca2Sb2O6O |
4.DH.20 | Hydroxyferroroméite | (Fe2+1.5◻0.5)Sb5+2O6(OH) |
4.DH.25 | Rosiaite | PbSb5+2O6 |
4.DH.30 | Zirconolite | CaZrTi2O7 |
4.DH.30 | Laachite | (Ca,Mn)2Zr2Nb2TiFeO14 |
4.DH.30 | Nöggerathite-(Ce) | (Ce,Ca)2Zr2(Nb,Ti)(Ti,Nb)2Fe2+O14 |
4.DH.30 | Stefanweissite | (Ca,REE)2Zr2(Nb,Ti)(Ti,Nb)2Fe2+O14 |
4.DH.35 | Liandratite | U(Nb,Ta)2O8 |
4.DH.35 | Petscheckite | UFe(Nb,Ta)2O8 |
4.DH.40 | Ingersonite | Ca3Mn2+Sb5+4O14 |
4.DH.45 | Pittongite | Na0.22(W,Fe3+)(O,OH)3 · 0.44H2O |
4.DH.50 | Tazzoliite | Ba4-xNaxTi2Nb3SiO17[PO2(OH)2]x(OH)(1-2x) |
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 Stibiconite
mindat.org URL:
https://www.mindat.org/min-3776.html
Please feel free to link to this page.
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Search Engines:
Mineral Dealers:
References for Stibiconite
Reference List:
Localities for Stibiconite
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.
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Uzbekistan | |
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Quick NavTopAbout StibiconiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentFirst Recorded Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
U.S. Mine, Gold Hill, Gold Hill Mining District, Tooele County, Utah, USA