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Protochabournéite

Pictures (3 Images total)

Routhierit
Views (File:
1380786332
): 1620
Routhierit
mit Protochabourneit; Miniera Monte Arsiccio, Stazzemma, Italien; Bildbreite 15 mm
Copyright: loismin; Contribution: loismin
Collection: loismin
Location: Italien/Toskana (Toscana)/Lucca, Provinz/Apuanische Alpen/Stazzema/Sant'Anna di Stazzema/Miniera di Monte Arsiccio
Mineral: Protochabournéite, Routhierite
Image: 1380786332
License: Usage for Mineralienatlas project only
Routhierit

mit Protochabourneit; Miniera Monte Arsiccio, Stazzemma, Italien; Bildbreite 15 mm
Collection: loismin
Copyright: loismin
Contribution: loismin 2013-10-03
Locality: Miniera di Monte Arsiccio / Sant'Anna di Stazzema / Stazzema / Apuanische Alpen / Lucca, Provinz / Toskana (Toscana) / Italien
Protochabourneit
Views (File:
1525947447
): 359
Protochabourneit
Monte Arsiccio Toskana; Bildbreite 1,2 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Italien/Toskana (Toscana)/Lucca, Provinz/Apuanische Alpen/Stazzema/Sant'Anna di Stazzema/Miniera di Monte Arsiccio
Mineral: Protochabournéite
Image: 1525947447
License: Usage for Mineralienatlas project only
Protochabourneit

Monte Arsiccio Toskana; Bildbreite 1,2 mm
Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2018-05-10
Locality: Miniera di Monte Arsiccio / Sant'Anna di Stazzema / Stazzema / Apuanische Alpen / Lucca, Provinz / Toskana (Toscana) / Italien
Protochabourneit
Views (File:
1525947546
): 364
Protochabourneit
Monte Arsiccio Toskana; Bildbreite 1,2 mm
Copyright: Ulrich Hansper; Contribution: Ulrich Hansper
Collection: Ulrich Hansper
Location: Italien/Toskana (Toscana)/Lucca, Provinz/Apuanische Alpen/Stazzema/Sant'Anna di Stazzema/Miniera di Monte Arsiccio
Mineral: Protochabournéite
Image: 1525947546
License: Usage for Mineralienatlas project only
Protochabourneit

Monte Arsiccio Toskana; Bildbreite 1,2 mm
Collection: Ulrich Hansper
Copyright: Ulrich Hansper
Contribution: Ulrich Hansper 2018-05-10
Locality: Miniera di Monte Arsiccio / Sant'Anna di Stazzema / Stazzema / Apuanische Alpen / Lucca, Provinz / Toskana (Toscana) / Italien

Collectors Summary

Color schwarz
Streak color schwarz
Lustre Metallglanz
Cleavages unvollkommen
Fracture muschelig
Crystal System triklin, P1

Chemism

Chemical formula

Tl4-xPb2+2xSb20-x-yAsyS34 (0,02 ≤ x ≤ 0,34, 5,71 ≤ y ≤ 6,69)

Empirical formula (analysis)

Tl1.89Pb1.18Sb7.90As2.03S16.83

Additional chem. information

Homeotype von Chabournéit

Chemical composition

Antimon, Arsen, Blei, Thallium, Schwefel

Unit weight: 2284.45028186 u; Number of atoms in the formula: 29.83

Info

Empirical formula:

Tl1.89Pb1.18Sb7.90As2.03S16.83

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

23.62

16.83

56.42

32.0655000

539.6623650
Arsenic

As

6.66

2.03

6.81

74.9216020

152.0908521
Antimony

Sb

42.11

7.9

26.48

121.7601000

961.9047900
Thallium

Tl

16.91

1.89

6.34

204.3833200

386.2844748
Lead

Pb

10.70

1.18

3.96

207.2100000

244.5078000

Analysis wt%

Tl : 16.81, Pb : 10.65, Sb : 41.75, As : 6.59, S : 23.43, Total : 99.24; WDX (Orlandi et al. 2013)

Strunz 9th edition incl. updates

2.HC.05e

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfoarsenide, Sulfoantimonide, Sulfobismuthide)
H: Sulfosalze mit SnS als Vorbild
C: Nur mit [Blei] (Pb)
05e:

Lapis Classification

II/E.14-052

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)
14: Sulfosalze mit Thallium/Quecksilber vorherrschend (x=4,0 - 1,6)

Classification by Hölzel

2.GD.550

2: SULFIDES
G: SnS Archetype
D:
5: SnS + PbS Archetype

IMA status

anerkannt - CNMNC Newsletter - NEW MINERAL PROPOSALS APPROVED IN SEPTEMBER 2011

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Chabournéite group

Optical Properties

Color

schwarz

Streak color

schwarz

Change in color

In Reflexion weiß

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Pleochroism

schwach, von hellgelb nach hellblau

Anisotropism

blaugrün bis braun; schwache Innenreflexe, rötlich

Crystallography

Crystal System

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell parameters a (Å)

8.150

Cell parameters b (Å)

8.716

Cell parameters c (Å)

21.579

Cell parameters a/b or c/a

0.935

Cell parameters c/b

2.476

Cell parameters α

85.18

Cell parameters β

96.93

Cell parameters γ

88.60

Z

2

Volume (ų)

1515.367

Crystal structure

Struktur bestimmt

X-Ray Powder Diffraction

4.23(51), 3.959(54), 3.928(60), 3.673(63), 3.608(100), 2.824(77), 2.790(61)
XRD chart Protochabournéite

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

Crystal Structure 3D

Open larger view

Physical Properties

VHN (Hardness Vickers)

146 - 195 (15 g)

Density (g/cm³)

5.008 - 5.137 (berechnet)

5.006 ( ρ calc. Mineralienatlas )

Cleavages

unvollkommen

Fracture

muschelig

Tenacity

spröde

Radioactivity

keine

(Co-)Type locality

(Co-)Type locality

Italien/Toskana (Toscana)/Lucca, Provinz/Apuanische Alpen/Stazzema/Sant'Anna di Stazzema/Miniera di Monte Arsiccio/Sant’Olga Stollen

Type material

Museo di Storia Naturale e del Territorio, Università di Pisa, Italien

Collection number of type material

19413

Paragenesis of type material

Pyrit, Realgar, Sphalerit, Stibnit

Preface

Author (Name, Year)

Orlandi, P., Biagioni, C., Bonaccorsi, E., Moëlo, Y. and Paar, W.H. (2011)

References

Orlandi, P., Biagioni, C., Bonaccorsi, E., Moëlo, Y. and Paar, W.H. (2011) Protochabournéite, IMA 2011-054. CNMNC Newsletter No. 11, December 2011, page 2888; Mineralogical Magazine, 75, 2887-2893.

Orlandi, P., Biagioni, C., Moëlo, Y., Bonaccorsi, E., Paar, W.H. (2013) Lead-Antimony sulfosalts from Tuscany (Italy). XIII. Protochabournéite, Tl2Pb(Sb9-8As1-2)Σ10S17, from the Monte Arsiccio Mine: occurrence, crystal structure and relationship with Chabournéite. The Canadian Mineralogist, 51, 475-494

IMA group assignments

 
Chabournéite group
 
 
 

 
 
Chabournéite
AgzTl8-x-zPb4+2xSb40-x-yAsyS68 (0,00 ≤ x ≤ 0,40, 16,15 ≤ y ≤ 19,11, 0,04 ≤ z ≤ 0,11)
triklin
P1

 
 
Dalnegroite
Tl4Pb2(As,Sb)20S34
triklin
P1

 
 
Dewitite
AgzTl10-x-zPb2xSb42-x-yAsyS68 (0.09 ≤ x ≤ 2.13, 13.99 ≤ y ≤ 19.79, 0.10 ≤ z ≤ 0.50)
triklin
P1

 
 
Protochabournéite
Tl4-xPb2+2xSb20-x-yAsyS34 (0,02 ≤ x ≤ 0,34, 5,71 ≤ y ≤ 6,69)
triklin
P1

 
 
Shimenite
Tl5Sb21-yAsyS34 (9 ≤ y ≤ 10)
triklin
P1

 
 
Vallouiseite
Ag3Tl21.5PbSb63As41.5S170
triklin
P1

Refresh list

Actuality: 22. Mar 2025 - 06:59:10

Other languages

German

Protochabournéit

English

Protochabournéite

CNMNC (IMA)-Number

IMA 2011-054

CNMNC symbol

Symbol

Pchb

Locations with GPS information

IDs

GUSID (Global unique identifier short form) HUEac1_Vqk6dQ1EharV_ww
GUID (Global unique identifier) 731A411D-D55F-4EAA-9D43-51216AB57FC3
Database ID 7131