Stibiconite Mineral Data

General Stibiconite Information

Chemical Formula:

Sb+++Sb+++++2O6(OH)

Composition:

Molecular Weight = 478.25 gm

Antimony 76.37 % Sb 96.44 % SbO₂

Hydrogen 0.21 % H 1.88 % H₂O

Oxygen 23.42 % O

______ ______

100.00 % 98.33 % = TOTAL OXIDE

Empirical Formula:

Sb₃O₆(OH)

Environment:

Associated as an alteration product of stibnite and other antimony minerals.

IMA Status:

Valid Species (Pre-IMA) 1862

Locality:

Altar, Sonora, Mexico. Link to MinDat.org Location Data.

Name Origin:

From the Latin stibium - "antimony" and the Greek konis - "powder."

Name Pronunciation:

Stibiconite + Pronunciation

Synonym:

ICSD 25552

PDF 10-388

Stibiconite Image

Images:

Stibiconite

Comments: Yellowish druses of microscopic stibiconite pseudomorphic after sharply terminated stibnite crystals.
Location: Xi Kuang Shang mine, Len Shui Jiang, Hunan Province, China. Scale: 31x11x8 cm.
© Dan Weinrich

Stibiconite Crystallography

Cell Dimensions:

a = 10.27, Z = 8; V = 1,083.21 Den(Calc)= 5.86

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/I_o): 2.96(1), 5.93(0.9), 1.81(0.8),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
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Dihlstrom K , Westgren A , Zeitschrift fur Anorganische und Allgemeine Chemie , 235 (1937) p.153-160, Uber den bau des sogenannten antimontetroxyds, und der damit isomorphen verbindung BiTa2O6F, Note: x(O) chosen to match reported bond lengths

Physical Properties of Stibiconite

Cleavage:

None

Color:

Brown, Gray, Lemon white, Light yellow, Orange brown.

Density:

4.1 - 5.8, Average = 4.94

Diaphaneity:

Transparent to translucent

Fracture:

Earthy - Dull, clay-like fractures with no visible crystalline affinities, (e.g. howlite).

Habit:

Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Hardness:

4-5 - Fluorite-Apatite

Luminescence:

Non-fluorescent.

Luster:

Vitreous - Dull

Magnetism:

Nonmagnetic

Streak:

light yellow

Optical Properties of Stibiconite

Gladstone-Dale:

CI meas= -23.765 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -19.919 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.134,KPDmeas= 0.1586,KC= 0.0064
Ncalc = 1.03 - 1.04

Optical Data:

Isotropic, n=1.6-1.97.

Calculated Properties of Stibiconite

Electron Density:

Bulk Density (Electron Density)=5.15 gm/cc
note: Specific Gravity of Stibiconite =5.86 gm/cc.

Fermion Index:

Fermion Index = 0.0001127209
Boson Index = 0.9998872791

Photoelectric:

PE_Stibiconite= 255.78 barns/electron
U=PE_Stibiconite x rElectron Density=1,316.30 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Stibiconite is Not Radioactive

Stibiconite Classification

Dana Class:

44.01.01.01 (44)Antimonates

(44.01)(A)2 (X2 O6) (O,OH,F)

(44.01.01)Stibiconite Group

44.01.01.01 Stibiconite SbSb2O6(OH) F d3m 4/m 3 2/m

44.01.01.02 Bindheimite Pb2Sb2O6(O,OH) F d3m 4/m 3 2/m

44.01.01.03 Romeite (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F) F d3m 4/m 3 2/m

44.01.01.03a Lewisite? (Ca,Fe,Na)2(Sb,Ti)2O7 F d3m 4/m 3 2/m

44.01.01.04 Monimolite (Pb,Ca)2Sb2O7 F d3m 4/m 3 2/m

44.01.01.05 Stetefeldtite Ag2Sb2O6(O,OH) F d3m 4/m 3 2/m

44.01.01.06 Bismutostibiconite Bi(Sb,Fe)2O7 F d3m 4/m 3 2/m

44.01.01.07 Partzite Cu2Sb2(O,OH)7(?) F d3m 4/m 3 2/m

Strunz Class:

04.DH.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DH -With large (± medium-sized) cations; sheets of edge-sharing octahedra

04.DH.20 Bismutostibiconite Bi(Sb,Fe)2O7 F d3m 4/m 3 2/m

04.DH.20 Bindheimite Pb2Sb2O6(O,OH) F d3m 4/m 3 2/m

04.DH.20 Monimolite (Pb,Ca)2Sb2O7 F d3m 4/m 3 2/m

04.DH.20 Partzite Cu2Sb2(O,OH)7(?) F d3m 4/m 3 2/m

04.DH.20 Stetefeldtite Ag2Sb2O6(O,OH) F d3m 4/m 3 2/m

04.DH.20 Romeite (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F) F d3m 4/m 3 2/m

04.DH.20 Stibiconite SbSb2O6(OH) F d3m 4/m 3 2/m

Other Stibiconite Information

References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)

See Also:

Links to other databases for Stibiconite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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Print or Cut-and-Paste your Stibiconite Specimen Label here :

Stibiconite

Sb+++Sb+++++2O6(OH)
Dana No: 44.01.01.01 Strunz No: 04.DH.20
Locality:

Notes: