Senarmontite Mineral Data

Senarmontite Mineral Data
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General Senarmontite Information

Help on Chemical Formula: Chemical Formula: Sb2O3
Help on Composition: Composition: Molecular Weight = 275.50 gm
   Antimony  88.39 %  Sb  105.81 % Sb2O3
   Oxygen    11.61 %  O
            ______        ______ 
            100.00 %      105.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sb2O2
Help on Environment: Environment: Oxidation of stibnite and other antimony minerals.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1851
Help on Locality: Locality: Djebel-Haminate mine, northwest of Ain-Beida, District of Haracta, Constantine, Algeria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French mineralogist, H. Hureau de Senarmot (1808-1862).
Help on Name Pronunciation: Name Pronunciation: Senarmontite + Pronunciation Say SENARMONTITE
Help on Synonym: Synonym: ICSD 1944
  PDF 43-1071
 

Senarmontite Image

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Senarmontite

Comments: Perfect octahedral, transparent, light to dark gray senarmontite crystals to 3mm.
Location: Djebel Haminate mine, Ain Beida, Constantine, Algeria. Scale: Pictrure size 1.5 cm.
© Tom Loomis / Dakota Matrix

Senarmontite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 11.14, Z = 16; V = 1,382.47 Den(Calc)= 5.29
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.218(1), 1.972(0.42), 2.788(0.4),
Click Here for Large Senarmontite Structure Window Crystal Structure:

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Svensson C , Acta Crystallographica, Section B , 31 (1975) p.2016-2018, Refinement of the crystal structure of cubic antiomony trioxide, Sb2O3, Locality: synthetic

View Additional jPOWD Structure files for Senarmontite
[1] [2]
 

Physical Properties of Senarmontite

Help on Cleavage: Cleavage: {111} Imperfect, {111} Imperfect, {111} Imperfect
Help on Color: Color: White, Colorless, Gray.
Help on Density: Density: 5.2 - 5.3, Average = 5.25
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Adamantine
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Senarmontite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.036 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.043 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2055,KPDmeas= 0.207,KC= 0.2148
Ncalc = 2.12 - 2.14
Help on Optical Data: Optical Data: Isotropic, n=2.087.
 

Calculated Properties of Senarmontite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.50 gm/cc
note: Specific Gravity of Senarmontite =5.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0000557513
Boson Index = 0.9999442487
Help on Photoelectric: Photoelectric: PESenarmontite = 303.39 barns/electron
U=PESenarmontite x rElectron Density=1,364.42 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Senarmontite is Not Radioactive
 

Senarmontite Classification
Help on Dana Class: Dana Class: 04.03.09.02 (04)Simple Oxides
  (04.03)with a cation charge of 3+ (A+++2 O3)
  (04.03.09)Dana Group
 
04.03.09.01 Arsenolite As2O3 F d3m 4/m 3 2/m
 
04.03.09.02 Senarmontite Sb2O3 F d3m 4/m 3 2/m
Help on Strunz Class: Strunz Class: 04.CB.50 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CB -With medium-sized cations
 
04.CB.50 Arsenolite As2O3 F d3m 4/m 3 2/m
 
04.CB.50 Senarmontite Sb2O3 F d3m 4/m 3 2/m
 

Other Senarmontite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Senarmontite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - HyperPhysics
11 - MinDAT
12 - MinMax(Deutsch)
13 - MinMax(English)
14 - Mineralienatlas (Deutsch)
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

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Senarmontite

Sb2O3
Dana No: 04.03.09.02 Strunz No: 04.CB.50
Locality:

 

Notes: