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Senarmontite

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Henri H. de Sénarmont
Formula:
Sb2O3
System:
Isometric
Colour:
Colourless to gray
Lustre:
Sub-Adamantine, Resinous
Hardness:
2 - 2½
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.
Isostructural with:
This page provides mineralogical data about Senarmontite.


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
4.3.9.2

4 : SIMPLE OXIDES
3 : A2X3
7.13.3

7 : Oxides and Hydroxides
13 : Oxides of As, Sb and Bi

Physical Properties of Senarmontite

Sub-Adamantine, Resinous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Colourless to gray
Streak:
White
Hardness (Mohs):
2 - 2½
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
{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
Max Birefringence:
δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:
Very High
Type:
Anisotropic
Anisotropism:
Strong anomalous anisotropism, sectored or zoned.

Chemical Properties of Senarmontite

Formula:
Sb2O3
Elements listed in formula:

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 Volume:
V 1,386.90 ų (Calculated from Unit Cell)
Z:
16
Morphology:
Octahedral crystals, modified by cube and dodecahedron.
Comment:
On synthetic material
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.44 (12)
3.218 (100)
2.788 (40)
2.559 (11)
1.972 (42)
1.681 (35)
1.279 (12)

Type Occurrence of Senarmontite

Relationship of Senarmontite to other Species

4.CB.05BrizziiteNaSbO3
4.CB.05CorundumAl2O3
4.CB.05EcandrewsiteZnTiO3
4.CB.05EskolaiteCr2O3
4.CB.05GeikieliteMgTiO3
4.CB.05HematiteFe2O3
4.CB.05IlmeniteFe2+Ti4+O3
4.CB.05KarelianiteV2O3
4.CB.05MelanostibiteMn2+(Sb5+,Fe3+)O3
4.CB.05PyrophaniteMn2+TiO3
4.CB.05AkimotoiteMgSiO3
4.CB.05AuroantimonateAuSbO3
4.CB.05UM1998-11-O-AuHSbAu2+Sb3+O2(OH)
4.CB.05TistariteTi2O3
4.CB.10AvicenniteTl2O3
4.CB.10BixbyiteMn23+O3
4.CB.15Armalcolite(Mg,Fe2+)Ti2O5
4.CB.15PseudobrookiteFe23+TiO5
4.CB.20Zincohögbomite-2N2S(Zn,Al,Fe)3(Al,Fe,Ti)8O15(OH)
4.CB.20Zincohögbomite-2N6S(Zn,Al)7(Al,Fe3+,Ti,Mg)16O31(OH)
4.CB.20Magnesiohögbomite-6N6S(Mg,Al,Fe)3(Al,Ti)8O15(OH)
4.CB.20Magnesiohögbomite-2N3S(Mg,Fe,Zn,Ti)4(Al,Fe)10O19(OH)
4.CB.20Magnesiohögbomite-2N2S(Al,Mg,Fe,Ti)22(O,OH)32
4.CB.20Ferrohögbomite-6N12S[(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6
4.CB.25PseudorutileFe23+Ti34+O9
4.CB.25KleberiteFeTi6O11(OH)5
4.CB.30BerdesinskiiteV23+TiO5
4.CB.30OxyvaniteV3O5
4.CB.35OlkhonskiteCr2Ti3O9
4.CB.35SchreyeriteV23+Ti34+O9
4.CB.40KamiokiteFe22+Mo34+O8
4.CB.40Nolanite(V3+,Fe3+,Fe2+,Ti)10O14(OH)2
4.CB.40RinmaniteMg2Fe4Zn2Sb2O14(OH)2
4.CB.40IseiteMn2Mo3O8
4.CB.40MajindeiteMg2Mo3O8
4.CB.45ClaudetiteAs2O3
4.CB.45StibioclaudetiteAsSbO3
4.CB.50ArsenoliteAs2O3
4.CB.55ValentiniteSb2O3
4.CB.60BismiteBi2O3
4.CB.65SphaerobismoiteBi2O3
4.CB.70SilléniteBi12SiO20
4.CB.75KyzylkumiteTi2V3+O5(OH)
4.CB.80TietaiyangiteFe43+Fe2+TiO9
7.13.1ArsenoliteAs2O3
7.13.2ClaudetiteAs2O3
7.13.4ValentiniteSb2O3
7.13.5CervantiteSb3+Sb5+O4
7.13.6Stibiconite(Sb,O,OH) ?
7.13.7BahianiteAl5Sb35+O14(OH)2
7.13.8Cualstibite-1M(Cu,Al)3(OH)6[Sb5+(OH)6]
7.13.9BismutostibiconiteBi(Sb5+,Fe3+)2O7
7.13.107.13.11StibivaniteSb23+V4+O5
7.13.12BismiteBi2O3
7.13.13SilléniteBi12SiO20

Other Names for Senarmontite

Name in Other Languages:
Simplified Chinese:方锑矿
Spanish:Senarmontita
Traditional Chinese:方銻礦

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.

References for Senarmontite

Reference List:
de Senarmont, H.H. (1851) Note sur l´antimoine oxydé naturel de forme octaédrique. Annales de Chimie et de Physique: 31: 504-507.

Dana, J.D. (1851) Mineralogical Notices. No. III. 1. New species. Octahedral oxyd of antimony. American Journal of Science and Arts: 12: 205-222.

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.

Dehlinger, U. (1927) Über die kristallstruktur der antimonoxyde. Zeitschrift für Kristallographie: 66: 108-119.

Hocart (1934), Bull. soc. min.: 57: 90.

Palache, C., Berman, H., Frondel, C. (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 544-545.

Mason, B., Vitaliano, C.J. (1952) The mineralogy of the antimony oxides and antimonates. Mineralogical Magazine: 30: 100-112.

Welin, E. (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden. Arkiv för Mineralogi och Geologi: 4: 499-541.

Beattie, I.R., Livingston, K.M.S., Ozin, G.A., Reynolds, D.J. (1970) Single-crystal Raman spectra of arsenolite (As4O6) and senarmonite (Sb4O6). The gas-phase Raman spectra pf P4O6, P4O10, and As4O6. Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1970: 449-451.

Svensson, C. (1975) Refinement of the crystal structure of cubic antimony trioxide, Sb2O3. Acta Crystallographica: B31: 2016-2018.

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.

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.

Hålenius, U., Hatert, F., Pasero, M., Mills, S.J. (2015) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 28. New minerals and nomenclature modifications approved in 2015. Mineralogical Magazine: 79: 1859-1864.

Internet Links for Senarmontite

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https://www.mindat.org/min-3618.html
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Specimens:
The following Senarmontite specimens are currently listed for sale on minfind.com.

Localities for Senarmontite

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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