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Tischendorfite

Collectors Summary

Color silbergrau
Streak color schwarz
Hardness (Mohs) 4.50 - 5.00
Fracture uneben
Crystal System orthorhombisch, Pmmn

Chemism

Chem­ical formula

Pd8Hg3Se9

Chem­ical com­po­si­tion

Palladium, Quecksilber, Selen

Unit weight: 2163.811 u; Number of atoms in the formula: 20

Info

Empirical formula:

Pd8Hg3Se9

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Selenium

Se

32.84

9

45.00

78.9630000

710.6670000
Palladium

Pd

39.35

8

40.00

106.4210000

851.3680000
Mercury

Hg

27.81

3

15.00

200.5920000

601.7760000

Anal­y­sis wt%

Pd : 39.40, Ag : 1.00, Hg : 24.90, Pb : 1.40, Se : 32.00 (Ref: Canadian Mineralogist 2002)

Strunz 9th edi­tion incl. updates

2.BC.65

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
B: Metallsulfide, M : S > 1 : 1 (hauptsächlich 2 : 1)
C: mit Rhodium (Rh), Palladium (Pd), Platin (Pt), usw.
65:Tischendorfit-Gruppe

Lapis Clas­sifica­tion

II/A.06-040

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
A: Legierungen und legierungsartige Verbindungen
6: mit Metallen der Platin-gruppe (v.a. Pd)

Clas­sifica­tion by Hölzel

2.BC.265

2: SULFIDES
B: Sulfides (etc) with Me/S > 1/1 (mostly 2/1)
C: With Pd
2: Telargpalite-Sopcheite-Group (with Te)

Dana 8th edi­tion

02.07.06.01

02: Sulfide Minerals
07: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=9:8

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

silbergrau

Streak color

schwarz

Diaphane­ity (Trans­parency)

opak

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mmm

Space Group number

59

Space Group

Pmmn

Cell param­e­ters a (Å)

7.1886

Cell param­e­ters b (Å)

16.8083

Cell param­e­ters c (Å)

6.4762

Cell param­e­ters a/b or c/a

0.428

Cell param­e­ters c/b

0.385

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

782.507

X-Ray Pow­der Diffrac­tion

4.819(40),
4.373(40),
3.315(20),
2.797(60),
2.743(100),
2.325(40),
2.116(40),
2.091(100)
XRD chart Tischendorfite

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

Physical Properties

Hard­ness (Mohs)

4.50 - 5.00

Density (g/cm³)

9.13 (berechnet)

9.183 ( ρ calc. Mineralienatlas )

Frac­ture

uneben

Tenac­ity

spröde

(Co-)Type locality

(Co-)Type locality

Deutschland/Sachsen-Anhalt/Mansfeld-Südharz, Landkreis/Mansfeld, Stadt/Abberode/Tilkerode/Eskebornstollen

Type material

Mineralogische Sammlung der TU Bergakademie Freiberg

Collection number of type material

80160

Paragenesis of type material

Chrisstanleyit, Tiemannit, Clausthalit, Ankerit, Stibiopalladinit

Preface

Author (Name, Year)

Stanley & Criddle & Förster & Roberts, 2002

Laufek, F., Vymazalová, A., Drábek, M., Navrátil, J., Drahokoupil, J., 2014

References

Canadian Mineralogist 40 (2002), 739

European Journal for Mineralogy 26 (2014), 157-162

Other languages

German

Tischendorfit

Spanish

Tischendorfita

French

Tischendorfite

English

Tischendorfite

Traditional Chinese

泰硒汞鈀礦

Simplified Chinese

泰硒汞钯矿

CNMNC (IMA)-Number

IMA 2001-061

CNMNC symbol

Symbol

Tdf

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

German pages

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

English pages

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

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Tischendorfit
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Locations with GPS information