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Schapbachite

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Schapbachit
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Schapbachit

grauschwarze Schapbachit-Einschlüsse in hornsteinartigem Quarz; Bildhöhe ca. 5 mm; Dies ist ein Stück aus dem Typmaterial, das von Prof. K. Walenta auch als "Cuboschapbachit" bezeichnet wurde (Wale...

Collection: smoeller
Copyright: smoeller
Contribution: smoeller 2010-01-20
Locality: Grube Silberbrünnle / Haigerach / Gengenbach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

Collectors Summary

Color weiß
Streak color hellgrau
Hardness (Mohs) 2.5
Cleavages keine
Solubility +++ HNO3
Crystal System kubisch, Fm3m

Chemism

Chem­ical formula

AgBiS2

Chem­ical com­po­si­tion

Bismut, Silber, Schwefel

Unit weight: 380.979602 u; Number of atoms in the formula: 4

Info

Empirical formula:

AgBiS2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

16.83

2

50.00

32.0655000

64.1310000

Silver

Ag

28.31

1

25.00

107.8682200

107.8682200

Bismuth

Bi

54.85

1

25.00

208.9803820

208.9803820

Anal­y­sis wt%

Ag : 28.32, Bi : 54.87, S : 16.81 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

2.CD.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
D: mit Zinn (Sn), Blei (Pb), Quecksilber (Hg), usw.
10:Galenit-Gruppe

Lapis Clas­sifica­tion

II/C.16-030

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

Clas­sifica­tion by Hölzel

2.CD.305

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
D: With Sn,Pb, etc. - Coordination Number ~[4+1]
3: Matildite-Group

Dana 8th edi­tion

03.07.19.01

03: Sulfides - Sulfosalts
07: Sulfides - Sulfosalts where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

IMA sta­tus

Neudefinition von der CNMNC anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

weiß

Streak color

hellgrau

Diaphane­ity (Trans­parency)

opak

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

225

Space Group

Fm3m

Cell param­e­ters a (Å)

5.703

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

185.486

X-Ray Pow­der Diffrac­tion

3.290(80),
2.853(100),
2.014(80),
1.721(50),
1.640(20),
1.276(10)

XRD chart Schapbachite

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)

2.5

VHN (Hard­ness Vick­ers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

6.9

6.821 ( ρ calc. Mineralienatlas )

Cleav­ages

keine

Tenac­ity

spröde

Insta­bil­ity

+++ HNO3

Preface

Author (Name, Year)

Kenngott, 1853

References

Neues Jahrbuch für Mineralogie, Monatshefte (2004), 425

Sebastian Staude, Alevtina Dorn, Katharina Pfaff, Gregor Markl: Assemblages of Ag–Bi sulfosalts and conditions of their formation: the type locality of schapbachite (Ag0.4Pb0.2Bi0.4S) and neighboring mines in the Schwarzwald ore district, southern Germany. Can. Mineral. 48 (2010) S.441-466.

Other languages

German

Schapbachit

Spanish

Schapbachita

English

Schapbachite

French

Schapbachite

Russian

Шапбахит

Simplified Chinese

硫铅铋银矿

Alternative Name

Argentobismutit

Argentobismutita

Argentobismutite

English

Matildite-alpha

CNMNC symbol

Symbol

Spb

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Schapbachit
Google-Bilder-Suche - search for: Schapbachit
Mineralienatlas.de (Forum) - search for: Schapbachit

English pages

Mindat - search for: Schapbachite
Webmineral - search for:Schapbachite
Handbook-of-Mineralogy - search for: Schapbachite
RRUFF - Raman, XRD and other mineral data - search for: Schapbachite
RRUFF - References and PDF downloads - search for: Schapbachite
American-Mineralogist-Crystal-Structure-Database - search for: Schapbachite
Strahlen.org - search for: Schapbachite

Russian pages

Webmineral.ru - search for: Шапбахит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Schapbachit
Crystal-Treasure.com - search for: Schapbachit
Bosse - search for: Schapbachit
Edelsteine Neuburg - Gundolf Fischer - search for: Schapbachit

Locations with GPS information