Schafarzikite Mineral Data

General Schafarzikite Information

Chemical Formula:

Fe++Sb+++2O4

Composition:

Molecular Weight = 363.34 gm

Iron 15.37 % Fe 19.77 % FeO

Antimony 67.02 % Sb 80.23 % Sb₂O₃

Oxygen 17.61 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺Sb₂O₄

Environment:

In oxidized antimony-bearing hydrothermal mineral deposits.

IMA Status:

Valid Species (Pre-IMA) 1921

Locality:

Buca della Vena iron mine, north of Stazzema, Apuan Alps, Tuscany, Italy. Link to MinDat.org Location Data.

Name Origin:

Named for Ferenc Schafarzik (1854-1927), Hungarian mineralogist, of the Polytechnic, Budapest, Hungary.

Name Pronunciation:

Schafarzikite + Pronunciation

Synonym:

ICSD 4459

PDF 25-1406

Schafarzikite Image

Images:

Schafarzikite

Comments: Dull black irregular schafarzikite masses in white marble.
Location: Bucca della Vena Mine, Valdi Castello, Carducci, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Schafarzikite Crystallography

Axial Ratios:

a:c = 1:0.68917

Cell Dimensions:

a = 8.59, c = 5.92, Z = 4; V = 436.83 Den(Calc)= 5.52

Crystal System:

Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4₁/mbc

Forms:

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Forms: ( 1 3 2) ( 0 1 2) ( 1 1 0) ( 1 1 1) ( 1 0 0)

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Physical Properties of Schafarzikite

Cleavage:

{110} Perfect, {200} Good

Color:

Red, Reddish brown, Yellow.

Density:

4.3

Diaphaneity:

Opaque

Hardness:

3.5 - Copper Penny

Luster:

Metallic

Streak:

yellowish brown

Optical Properties of Schafarzikite

Optical Data:

NCalc= 2.1 - from Gladstone-Dale relationship (KC = 0.2) where Ncalc=Dcalc*KC+1
NCalc= 1.86 - from Gladstone-Dale relationship (KC = 0.2) where Ncalc=Dmeas*KC+1

Calculated Properties of Schafarzikite

Electron Density:

Bulk Density (Electron Density)=4.86 gm/cc
note: Specific Gravity of Schafarzikite =5.52 gm/cc.

Fermion Index:

Fermion Index = 0.0033430392
Boson Index = 0.9966569608

Photoelectric:

PE_{Schafarzikite}= 228.84 barns/electron
U=PE_{Schafarzikite} x rElectron Density=1,112.49 barns/cc.

Radioactivity:

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

Schafarzikite Classification

Dana Class:

45.01.06.01 (45)Acid and normal Antimonites, Arsenites and Phosphites

(45.01)with miscellaneous formulae

(45.01.06)Dana Group

45.01.06.01 Schafarzikite FeSb2O4 P 4₁/mbc 4/m 2/m 2/m

Strunz Class:

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

04.J - Arsenites, Antimonites, Bismuthites, Sulfites,

04.JA -Arsenites, antimonites, bismuthites; without additional anions, without H2O

04.JA.20 Kusachiite CuBi2O4 P 4/ncc 4/m 2/m 2/m

04.JA.20 Schafarzikite FeSb2O4 P 4₁/mbc 4/m 2/m 2/m

04.JA.20 Trippkeite CuAs2O4 P 4₁/mbc 4/m 2/m 2/m

Other Schafarzikite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

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

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

Schafarzikite

Fe++Sb+++2O4
Dana No: 45.01.06.01 Strunz No: 04.JA.20
Locality:

Notes:

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