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Carducciite

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Carducciit
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Carducciit
Carducciit in Quarz neben Pyrit, Miniera del Pollone, Toskana, Italien; BB < 2 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Italien/Toskana (Toscana)/Lucca, Provinz/Apuanische Alpen/Pietrasanta/Valdicastello Carducci/Miniera del Pollone
Mineral: Carducciite
Image: 1571683396
License: Usage for Mineralienatlas project only
Carducciit

Carducciit in Quarz neben Pyrit, Miniera del Pollone, Toskana, Italien; BB < 2 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2019-10-21
Locality: Miniera del Pollone / Valdicastello Carducci / Pietrasanta / Apuanische Alpen / Lucca, Provinz / Toskana (Toscana) / Italien

Collectors Summary

Color schwarz
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 2.5 - 3
Cleavages fehlt
Crystal System monoklin, P21/c

Chemism

Chemical formula

(Ag2Sb2)Pb12(As,Sb)16S40

Chemical composition

Antimon, Arsen, Blei, Silber, Schwefel

Unit weight: 5614.496264 u; Number of atoms in the formula: 72

Info

Empirical formula:

(Ag2Sb2)Pb12(As0.75Sb0.25)16S40

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

22.84

40

55.56

32.0655000

1,282.6200000

Arsenic

As

16.01

12

16.67

74.9216020

899.0592240

Silver

Ag

3.84

2

2.78

107.8682200

215.7364400

Antimony

Sb

13.01

6

8.33

121.7601000

730.5606000

Lead

Pb

44.29

12

16.67

207.2100000

2,486.5200000

Strunz 9th edition incl. updates

2.HC.05d

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

Lapis Classification

II/E.25-022

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
E: Sulfosalze (S : As,Sb,Bi = x)
25: Blei-Sulfosalze mit As/Sb (x= 2,3 - 1,8)

IMA status

anerkannt - CNMNC Newsletter No. 16, August 2013

Mineral status

anerkanntes Mineral

Optical Properties

Color

schwarz

Streak color

schwarz

Lustre

Metallglanz

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

8.4909

Cell parameters b (Å)

8.0227

Cell parameters c (Å)

25.3957

Cell parameters a/b or c/a

1.058

Cell parameters c/b

3.165

Cell parameters α

90°

Cell parameters β

100.382°

Cell parameters γ

90°

Z

1

Volume (ų)

1701.631

Crystal structure

Sb-reicher Isotyp von Rathit, Struktur bestimmt

X-Ray Powder Diffraction

3.689(0), 3.416(0), 3.125(0), 2.989(0), 2.894(0), 2.753(0), 2.250(0)

XRD chart Carducciite

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

Physical Properties

Hardness (Mohs)

2.5 - 3

Density (g/cm³)

5.56

5.479 ( ρ calc. Mineralienatlas )

Cleavages

fehlt

(Co-)Type locality

(Co-)Type locality

Italien/Toskana (Toscana)/Lucca, Provinz/Apuanische Alpen/Pietrasanta/Valdicastello Carducci/Miniera del Pollone

Type material

Museo di Storia Naturale e del Territorio, Universita` di Pisa, Calci (Pisa), Italien

Collection number of type material

19646

Preface

Author (Name, Year)

Cristian Biagioni, Paolo Orlandi, Yves Moëlo, Luca Bindi (2014)

References

Biagioni, C., Orlandi, P. and Moëlo, Y. (2013) Carducciite, IMA 2013-006. CNMNC Newsletter No. 16, August 2013, page 2702; Mineralogical Magazine, 77, 2695-2709.

Cristian Biagioni, Paolo Orlandi, Yves Moëlo, Luca Bindi: Lead-antimony sulfosalts from Tuscany (Italy). XVI. Carducciite, (AgSb)Pb6(As,Sb)8S20, a new Sb-rich derivative of rathite from the Pollone mine, Valdicastello Carducci: occurrence and crystal structure. Mineralogical Magazine Vol. 78, Nr. 7 (2014) S. 1775-1793.

Lapis Jg. 41, Nr. 9 Sept. 2016, S. 45

Other languages

German

Carducciit

English

Carducciite

CNMNC (IMA)-Number

IMA 2013-006

CNMNC symbol

Symbol

Cdu

Locations with GPS information

IDs

GUSID (Global unique identifier short form) TUMzG73lJkaan4r8MZN3tA
GUID (Global unique identifier) 1B33434D-E5BD-4626-9A9F-8AFC319377B4
Database ID 7617