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Hocartite

Pictures (3 Images total)

Hocartit
Views (File:
1220005563
): 1289
Hocartit
Huangshaping,Guiyang, Chenzhou, Hunan, China. BB 6 mm
Copyright: Collector; Contribution: Collector
Collection: Collector
Location: China/Hunan, Provinz/Chenzhou, Präfektur/Guiyang, Kreis/Huangshaping Pb-Zn-W-Mo-Lagerstätte
Mineral: Hocartite
Image: 1220005563
License: Usage for Mineralienatlas project only
Hocartit

Huangshaping,Guiyang, Chenzhou, Hunan, China. BB 6 mm
Collection: Collector
Copyright: Collector
Contribution: Collector 2008-08-29
Locality: Huangshaping Pb-Zn-W-Mo-Lagerstätte / Guiyang, Kreis / Chenzhou, Präfektur / Hunan, Provinz / China
Hocartit
Views (File:
1581507081
): 378
Hocartit
Bildbreite: 4 mm; Fundort: Oploca Mine, Pirquitas Ag-Sn-Lagerstätte, Rinconada Department, Provinz Jujuy, Argentinien
Copyright: Leonardus; Contribution: Philip Blümner
Location: Argentinien/Jujuy, Provinz/Rinconada, Departamento/Pirquitas Ag-Sn-Lagerstätte/Oploca Mine
Mineral: Hocartite
Image: 1581507081
License: Usage for Mineralienatlas project only
Hocartit

Bildbreite: 4 mm; Fundort: Oploca Mine, Pirquitas Ag-Sn-Lagerstätte, Rinconada Department, Provinz Jujuy, Argentinien
Copyright: Leonardus
Contribution: Philip Blümner 2020-02-12
Locality: Oploca Mine / Pirquitas Ag-Sn-Lagerstätte / Rinconada, Departamento / Jujuy, Provinz / Argentinien
Hocartit
Views (File:
1581507165
): 427
Hocartit
Bildbreite: 1,5 mm; Fundort: Pirquitas Ag-Sn-Lagerstätte, Rinconada Department, Provinz Jujuy, Argentinien
Copyright: Stephan Wolfsried; Contribution: Philip Blümner
Collection: Stephan Wolfsried
Location: Argentinien/Jujuy, Provinz/Rinconada, Departamento/Pirquitas Ag-Sn-Lagerstätte
Mineral: Hocartite
Image: 1581507165
License: Usage for Mineralienatlas project only
Hocartit

Bildbreite: 1,5 mm; Fundort: Pirquitas Ag-Sn-Lagerstätte, Rinconada Department, Provinz Jujuy, Argentinien
Collection: Stephan Wolfsried
Copyright: Stephan Wolfsried
Contribution: Philip Blümner 2020-02-12
Locality: Pirquitas Ag-Sn-Lagerstätte / Rinconada, Departamento / Jujuy, Provinz / Argentinien

Collectors Summary

Color bräunlich grau
Lustre Metallglanz
Hardness (Mohs) 4.25
Crystal System tetragonal, I42m

Chemism

Chemical formula

Ag2FeSnS4

Chemical composition

Eisen, Silber, Zinn, Schwefel

Unit weight: 518.55434 u; Number of atoms in the formula: 8

Info

Empirical formula:

Ag2FeSnS4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

24.73

4

50.00

32.0655000

128.2620000
Iron

Fe

10.77

1

12.50

55.8452000

55.8452000
Silver

Ag

41.60

2

25.00

107.8682200

215.7364400
Tin

Sn

22.89

1

12.50

118.7107000

118.7107000

Analysis wt%

Ø Sn : 26.30, Ag : 36.00, Cu : 1.80, Fe : 7.60, Zn : 4.10, S : 26.60 (Ref: Bulletin de Mineralogie 68)

Strunz 9th edition incl. updates

2.CB.15

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
15:Stannit-Gruppe

Lapis Classification

II/C.06-110

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1
6: Stannit-Gruppe

Classification by Hölzel

2.CB.350

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
B: With Zn,Cu (etc), Coordination Number ~[4] Framework of Cornersharing Tetrahedra: Sphalerite-Germanite-Family
3: Stannite-Group

Hey's Chemical Index of Minerals

06.01.16

06: Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
01: Sulphostannates and other sulfides containing Sn

Dana 8th edition

02.09.02.06

02: Sulfide Minerals
09: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
02: Stannite Group (Tetragonal: I-42m) A2BCS type

IMA status

anerkannt

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Stannite group

Optical Properties

Color

bräunlich grau

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Crystallography

Crystal System

tetragonal

Class (H-M)

42m

Space Group number

121

Space Group

I42m

Cell parameters a (Å)

5.74

Cell parameters b (Å)

-

Cell parameters c (Å)

10.96

Cell parameters a/b or c/a

1.909

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

361.106

X-Ray Powder Diffraction

3.26(100),
2.87(40),
2.74(30),
2.03(50),
1.98(80),
1.72(70),
1.666(30),
1.287(30)
XRD chart Hocartite

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)

4.25

VHN (Hardness Vickers)

222 (25g)

Density (g/cm³)

4.77

4.769 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Bolivien/Potosí, Departamento/Sur Chichas (Sud Chichas), Provinz/Atocha/Chocaya Mine

Type material

Bolivien - Potosí Dep.? - Chocaya - Sn Mine von Tacama (auch gefunden in den bolivianischen Minen Hocaya und Colquechaca)
-Frankreich: ENSM-Paris - Type: HT: (don. P Picot, 1970)
-Frankreich: MHN-Paris - Type: T:

Frankreich - Auvergne - Cantal dép. - Fournial (Sn-Ag-Mineralisation)
-Frankreich: ENSM-Paris - Type: HT: from France or Bolivia?
-Frankreich: MHN-Paris - Type: T:

Preface

Author (Name, Year)

Caye & Laurent & Picot & Pierrot & Lévy, 1968

References

Strunz Mineralogical Tables 9. Edition.

Caye R, Laurent Y, Picot P, Pierrot R, Levy C: Bull.Soc.fr.Min.Crist.(1968) 91, 383-387

American Mineralogist: 54, 573 (abs. ref. 1).

IMA group assignments

 
Stannite group
A2DEX4
 
 

 
 
Briartite
Cu2(Zn,Fe)GeS4
tetragonal
I42m

 
 
Černýite
Cu2CdSnS4
tetragonal
I42m

 
 
Famatinite
Cu3SbS4
tetragonal
I42m

 
 
Ferrokësterite
Cu2FeSnS4
tetragonal
I4

 
 
Hocartite
Ag2FeSnS4
tetragonal
I42m

 
 
Kësterite
Cu2(Zn,Fe)SnS4
tetragonal
I4

 
 
Keutschite
Cu2AgAsS4
tetragonal
I42m

 
 
Kuramite
Cu3SnS4
tetragonal
I42m

 
 
Luzonite
Cu3AsS4
tetragonal
I42m

 
 
Omariniite
Cu8Fe2ZnGe2S12
orthorhombisch
I222

 
 
Permingeatite
Cu3SbSe4
tetragonal
I42m

 
 
Petrukite
(Cu,Ag)2(Fe,Zn)(Sn,In)S4
orthorhombisch
Pmn21

 
 
Pirquitasite
Ag2ZnSnS4
tetragonal
I42m, I4

 
 
Richardsite
Zn2CuGaS4
tetragonal
I42m

 
 
Stannite
Cu2FeSnS4
tetragonal
I42m

 
 
Stannoidite
Cu8(Fe,Zn)3Sn2S12
orthorhombisch
I222

 
 
UM1984-30-S:CuFeSn
 
 
 

 
 
Velikite
Cu2(Hg,Zn)SnS4
tetragonal
I4

 
 
Zincobriartite
Cu2(Zn,Fe)(Ge,Ga)S4
tetragonal
I42m

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Actuality: 07. May 2025 - 00:59:22

Other languages

German

Hocartit

Spanish

Hocartita

French

Hocartite

English

Hocartite

Russian

Окартит

Simplified Chinese

银黄锡矿

Alternative Name

Okartite

CNMNC (IMA)-Number

IMA 1967-046

CNMNC symbol

Symbol

Hoc

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 40xXj86C0UCMK3PQNCfevw
GUID (Global unique identifier) 8F574CE3-82CE-40D1-8C2B-73D03427DEBF
Database ID 1609