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Versiliaite

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Versiliait
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Versiliait

Kristallgröße: 1,5 mm; Fundort: Buca della Vena, Stazzema, Apuanische Alpen, Provinz Massa-Carrara, Toskana, Italien

Copyright: slugslayer
Contribution: slugslayer 2013-07-21
Locality: Buca della Vena / Stazzema / Massa-Carrara, Provinz / Toskana (Toscana) / Italien

Collectors Summary

Color schwarz
Streak color schwarz
Lustre Fettglanz
Hardness (Mohs) 4.75
Crystal System orthorhombisch, Pbam

Chemism

Chem­ical formula

(Fe2+,Fe3+,Zn)8(Sb3+,Fe3+,As)16O32S1.3

Chem­ical com­po­si­tion

Antimon, Arsen, Eisen, Zink, Sauerstoff, Schwefel

Unit weight: 2564.9083532 u; Number of atoms in the formula: 57.3

Info

Empirical formula:

(Fe0.6Fe0.3Zn0.1)8(Sb0.6Fe0.3As0.1)16O32S1.3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

19.96

32

55.85

15.9994300

511.9817600

Sulfur

S

1.63

1.3

2.27

32.0655000

41.6851500

Iron

Fe

26.13

12

20.94

55.8452000

670.1424000

Zinc

Zn

2.04

0.8

1.40

65.4094000

52.3275200

Arsenic

As

4.67

1.6

2.79

74.9216020

119.8745632

Antimony

Sb

45.57

9.6

16.75

121.7601000

1,168.8969600

Strunz 9th edi­tion incl. updates

4.JA.30

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
J: Antimonite, Bismuthite, Sulfite, Selenite, Tellurite
A: [Arsenite], [Antimonite], [Bismuthite]; ohne zusätzliche [Anionen], ohne H20
30:Versiliait

Lapis Clas­sifica­tion

IV/B.06-030

IV: OXIDE
B: Oxide mit Verhältnis Metall zu Sauerstoff = 3:4 (Spinelltyp M3O4 und verwandte Verbindungen)

Clas­sifica­tion by Hölzel

4.BF.140

4: OXIDES
B: Spinels R3O4
F: Trippkeite-Group

Dana 8th edi­tion

45.01.10.01

45: Acid and normal Antimonites, Arsenites and Phosphites
01: Acid and normal Antimonites, Arsenites and Phosphites with miscellaneous formulae

IMA sta­tus

1978 anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

schwarz

Streak color

schwarz

Diaphane­ity (Trans­parency)

opak

Lus­tre

Fettglanz

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

55

Space Group

Pbam

Cell param­e­ters a (Å)

8.492

Cell param­e­ters b (Å)

8.326

Cell param­e­ters c (Å)

11.938

Cell param­e­ters a/b or c/a

1.020

Cell param­e­ters c/b

1.434

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

1

Volumne (ų)

844.069

X-Ray Pow­der Diffrac­tion

5.94(20),
3.196(100),
3.167(100),
2.972(80),
2.682(40),
1.946(40),
1.915(30),
1.652(30)

XRD chart Versiliaite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

4.75

VHN (Hard­ness Vick­ers)

330 (20g)

Density (g/cm³)

5.12

5.046 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Mellini, Merlino, Orlandi, 1979

References

American Mineralogist 64 (1979), 1230

American Mineralogist 64 (1979), 1235

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Versiliaite

(Fe2+,Fe3+,Zn)8(Sb3+,Fe3+,As)16O32S1.3

orthorhombisch : mmm : Pbam

4.JA.30

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Kusachiite

CuBi2O4

tetragonal : 4/mmm : P4/ncc

IV/B.06-015

Schafarzikite

Fe2+Sb3+2O4

tetragonal : 4/mmm : P42/mbc

IV/B.06-020

Versiliaite

(Fe2+,Fe3+,Zn)8(Sb3+,Fe3+,As)16O32S1.3

orthorhombisch : mmm : Pbam

IV/B.06-030

Apuanite

(Fe3+,Fe2+,Zn)3(Sb,Fe3+,As)6O12S

tetragonal : 4/mmm : P42/mbc

IV/B.06-040

Minium

Pb2+2Pb4+O4

tetragonal : 4/mmm : P42/mbc

IV/B.06-050

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Trippkeite

Cu(As23+O4)

tetragonal : 4/mmm : P42/mbc

4.BF.100

Schafarzikite

Fe2+Sb3+2O4

tetragonal : 4/mmm : P42/mbc

4.BF.110

Kusachiite

CuBi2O4

tetragonal : 4/mmm : P4/ncc

4.BF.120

Apuanite

(Fe3+,Fe2+,Zn)3(Sb,Fe3+,As)6O12S

tetragonal : 4/mmm : P42/mbc

4.BF.130

Versiliaite

(Fe2+,Fe3+,Zn)8(Sb3+,Fe3+,As)16O32S1.3

orthorhombisch : mmm : Pbam

4.BF.140

Minium

Pb2+2Pb4+O4

tetragonal : 4/mmm : P42/mbc

4.BF.160

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Versiliaite

(Fe2+,Fe3+,Zn)8(Sb3+,Fe3+,As)16O32S1.3

orthorhombisch : mmm : Pbam

45.01.10.01

Schneiderhöhnite

Fe2+Fe33+As53+O13

triklin : 1 : P1

45.01.12.01

Fetiasite

(Fe2+,Fe3+,Ti4+)3O2As3+2O5

monoklin : 2/m : P21/m

45.01.13.01

Chadwickite

H[UO2|AsO3]

45.01.15.01

CNMNC (IMA)-Number

IMA 1978-068

CNMNC symbol

Symbol

Vsl

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