Senarmontite
A valid IMA mineral species - grandfathered
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About Senarmontite
Formula:
Sb2O3
Colour:
Colourless to gray
Lustre:
Sub-Adamantine, Resinous
Hardness:
2 - 2½
Specific Gravity:
5.5
Crystal System:
Isometric
Name:
Named by J.D. Dana in 1851 in honor of Henri Hureau de Sénarmont (6 September 1808, Broué, France – 30 June 1862, Paris, France), Professor of Mineralogy, School of Mines, Paris, who first described the species. De Sénarmont also made significant contributions to the study of polarization and demonstrating the anisotropy of heat diffusion in a crystal.
Type Locality:
Dimorph of:
Isostructural with:
This page provides mineralogical data about Senarmontite.
Unique Identifiers
Mindat ID:
3618
Long-form identifier:
mindat:1:1:3618:0
GUID
(UUID V4):
(UUID V4):
d86e5c49-6f07-4872-98d8-6a97f562ae53
Classification of Senarmontite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1851
4.CB.50
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
4.3.9.2
4 : SIMPLE OXIDES
3 : A2X3
4 : SIMPLE OXIDES
3 : A2X3
7.13.3
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.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Sen | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Sen | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Senarmontite
Sub-Adamantine, Resinous
Transparency:
Transparent, Translucent
Colour:
Colourless to gray
Streak:
White
Hardness:
2 - 2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
{111} in traces.
{111} in traces.
Fracture:
Irregular/Uneven
Density:
5.5 g/cm3 (Measured) 5.584 g/cm3 (Calculated)
Optical Data of Senarmontite
Type:
Isotropic
RI values:
n = 2.087
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Very High
Anisotropism:
Strong anomalous anisotropism, sectored or zoned.
Chemical Properties of Senarmontite
Formula:
Sb2O3
Elements listed:
Crystallography of Senarmontite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Cell Parameters:
a = 11.1519(2) Å
Unit Cell V:
1,386.90 ų (Calculated from Unit Cell)
Z:
16
Morphology:
Octahedral crystals, modified by cube and dodecahedron.
Comment:
On synthetic material
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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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) |
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0009536 | Senarmontite | Svensson C (1975) Refinement of the crystal structure of cubic antiomony trioxide, Sb2O3 Acta Crystallographica B31 2016-2018 | 1975 | synthetic | 0 | 293 | |
0010494 | Senarmontite | Dehlinger U (1927) Uber die kristallstruktur der antimonoxyde Zeitschrift fur Kristallographie 66 108-119 | 1927 | 0 | 293 | ||
0012430 | Senarmontite | Whitten A E, Dittrich B, Spackman M A, Turner P, Brown T C (2004) Charge density analysis of two polymorphs of antimony(III) oxide Dalton Transactions 2004 23-29 | 2004 | 0 | 293 | ||
0014075 | Senarmontite | Bozorth R M (1923) The crystal structures of the cubic forms of arsenious and antimonous oxides Journal of the American Chemical Society 45 1621-1627 | 1923 | Mt. Hamimat, Algeria | 0 | 293 | |
0015530 | Senarmontite | Zav'yalova A A, Imamov R M (1975) About the structure of the cubic modification of Sb2O3 Soviet Journal of Coordination Chemistry 1 1186-1188 | 1975 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Image Loading
Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
6.44 Å | (12) |
3.218 Å | (100) |
2.788 Å | (40) |
2.559 Å | (11) |
1.972 Å | (42) |
1.681 Å | (35) |
1.279 Å | (12) |
Comments:
Synthetic.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47d : [Arsenates, antimonates, selenates, bismuthinates] | |
47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Senarmontite
General Appearance of Type Material:
Cavernous masses composed of capillary filaments, parallel or slightly divergent. Also in saccharoid masses, granular or compact, with cavities of octahedral crystals to 1 cm.
Place of Conservation of Type Material:
No designated type material.
Geological Setting of Type Material:
Oxidation zone of an antimony deposit.
Synonyms of Senarmontite
Other Language Names for Senarmontite
German:Senarmontit
Russian:Сенармонтит
Simplified Chinese:方锑矿
Spanish:Senarmontita
Traditional Chinese:方銻礦
Common Associates
Associated Minerals Based on Photo Data:
57 photos of Senarmontite associated with Stibnite | Sb2S3 |
45 photos of Senarmontite associated with Valentinite | Sb2O3 |
34 photos of Senarmontite associated with Kermesite | Sb2S2O |
17 photos of Senarmontite associated with Stibiconite | Sb3+Sb5+2O6(OH) |
14 photos of Senarmontite associated with Antimony | Sb |
10 photos of Senarmontite associated with Baryte | BaSO4 |
10 photos of Senarmontite associated with Sulphur | S8 |
8 photos of Senarmontite associated with Quartz | SiO2 |
6 photos of Senarmontite associated with Celestine | SrSO4 |
6 photos of Senarmontite associated with Tripuhyite | Fe3+Sb5+O4 |
Related Minerals - Strunz-mindat Grouping
4.CB. | Sassite | Ti3+2Ti4+O5 |
4.CB. | Ferrohögbomite-2N2S | [(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2 |
4.CB. | Magnesiohögbomite-6N12S | Mg5Al11TiO23(OH) |
4.CB. | Griffinite | Al2TiO5 |
4.CB. | Zhenruite | (MoO3)2 · H2O |
4.CB. | Pengite | (Pb8Sb3+3)Σ11Sb5+9O35 |
4.CB. | Virgilluethite | MoO3 · H2O |
4.CB.05 | Brizziite | NaSb5+O3 |
4.CB.05 | Corundum | Al2O3 |
4.CB.05 | Ecandrewsite | (Zn,Fe2+,Mn2+)TiO3 |
4.CB.05 | Eskolaite | Cr2O3 |
4.CB.05 | Geikielite | MgTiO3 |
4.CB.05 | Hematite | Fe2O3 |
4.CB.05 | Ilmenite | Fe2+TiO3 |
4.CB.05 | Karelianite | V3+2O3 |
4.CB.05 | Melanostibite | Mn2+2Fe3+Sb5+O6 |
4.CB.05 | Pyrophanite | Mn2+TiO3 |
4.CB.05 | Akimotoite | (Mg,Fe2+)SiO3 |
4.CB.05 | Auroantimonate | AuSbO3 |
4.CB.05 | UM1998-11-O-AuHSb | Au+2Sb3+O2(OH) |
4.CB.05 | Tistarite | Ti3+2O3 |
4.CB.05 | Unnamed (Fe-Cr Oxide) | FeCrO3 |
4.CB.05 | Hemleyite | (Fe2+0.48Mg0.37Ca0.04Na0.04Mn2+0.03Al0.03Cr3+0.01)sum=1.00Si1.00O3 |
4.CB.10 | Avicennite | Tl2O3 |
4.CB.10 | Bixbyite-(Mn) | Mn3+2O3 |
4.CB.10 | Bixbyite-(Fe) | (Fe,Mn)2O3 |
4.CB.15 | Armalcolite | (Mg,Fe2+)Ti2O5 |
4.CB.15 | Pseudobrookite | Fe2TiO5 |
4.CB.15 | Ferropseudobrookite | Fe2+Ti2O5 |
4.CB.20 | Zincohögbomite-2N2S | [(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2 |
4.CB.20 | Zincohögbomite-2N6S | [(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2 |
4.CB.20 | Magnesiohögbomite-6N6S | [(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6 |
4.CB.20 | Magnesiohögbomite-2N3S | [(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2 |
4.CB.20 | Magnesiohögbomite-2N2S | [(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2 |
4.CB.20 | Ferrohögbomite-6N12S | [(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6 |
4.CB.20 | Magnesiohögbomite-2N4S | (Mg8.43Fe2+1.57)sum=10Al22Ti4+2O46(OH)2 |
4.CB.20 | Magnesiobeltrandoite-2N3S | (Mg6Al2)(Al18Fe3+2)O38(OH)2 |
4.CB.20 | Zincovelesite-6N6S | Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH) |
4.CB.25 | Pseudorutile | Fe2Ti3O9 |
4.CB.25 | Kleberite | FeTi6O11(OH)5 |
4.CB.30 | Berdesinskiite | V3+2TiO5 |
4.CB.30 | Oxyvanite | V3+2V4+O5 |
4.CB.30 | Kaitianite | Ti3+2Ti4+O5 |
4.CB.35 | Olkhonskite | (Cr,V)2Ti3O9 |
4.CB.35 | Schreyerite | V3+2Ti3O9 |
4.CB.35 | Machiite | Al2Ti3O9 |
4.CB.35 | Vestaite | (Ti4+Fe2+)Ti4+3O9 |
4.CB.40 | Kamiokite | Fe2Mo3O8 |
4.CB.40 | Nolanite | V3+8Fe3+2O14(OH)2 |
4.CB.40 | Rinmanite | Zn2Sb2Mg2Fe4O14(OH)2 |
4.CB.40 | Iseite | Mn2Mo3O8 |
4.CB.40 | Majindeite | Mg2Mo3O8 |
4.CB.45 | Claudetite | As2O3 |
4.CB.45 | Stibioclaudetite | AsSbO3 |
4.CB.50 | Arsenolite | As2O3 |
4.CB.55 | Valentinite | Sb2O3 |
4.CB.60 | Bismite | Bi2O3 |
4.CB.65 | Sphaerobismoite | Bi2O3 |
4.CB.70 | Sillénite | Bi12SiO20 |
4.CB.75 | Kyzylkumite | V3+Ti2O5(OH) |
4.CB.80 | Tietaiyangite | Fe3+4Fe2+TiO9 |
4.CB.85 | Liuite | FeTiO3 |
4.CB.90 | Luogufengite | Fe2O3 |
4.CB.95 | Wangdaodeite | FeTiO3 |
Other Information
Thermal Behaviour:
In a closed tube, fuses and partially sublimates. Before the blowpipe, on charcoal, fuses easily and gives a white coating.
Notes:
Soluble in HCl.
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 Senarmontite
mindat.org URL:
https://www.mindat.org/min-3618.html
Please feel free to link to this page.
Please feel free to link to this page.
External Links:
Mineral Dealers:
References for Senarmontite
Reference List:
Localities for Senarmontite
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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Quick NavTopAbout SenarmontiteUnique IdentifiersClassification Mineral SymbolsPhysical Properties Optical Data Chemical Properties Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Djebel Hammimat Mine, Aïn Babouche, Ain Babouche District, Oum el Bouaghi Province, Algeria