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Tetra-auricupride

Pictures (3 Images total)

Tetra-auricupride
Views (File:
1497952927
): 1851
Tetra-auricupride
Tetra-auricupride probably with auricupride on a skarn matrix. FOV 1.5mm. Acquired from MinTreasure. Brent Thorne specimen and photograph; Locality: Karabash, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia; Fov: 1.5 mm;
Copyright: Brent Thorne; Contribution: Stefan
Location: Russland/Ural, Föderationskreis/Tscheljabinsk (Chelyabinsk), Oblast/Karabash (Karabasch)
Mineral: Tetra-auricupride
Image: 1497952927
License: Usage for Mineralienatlas project only
Tetra-auricupride

Tetra-auricupride probably with auricupride on a skarn matrix. FOV 1.5mm. Acquired from MinTreasure. Brent Thorne specimen and photograph; Locality: Karabash, Chelyabinsk Oblast', Southern Urals, U...

Copyright: Brent Thorne
Contribution: Stefan 2017-06-20
Locality: Karabash (Karabasch) / Tscheljabinsk (Chelyabinsk), Oblast / Ural, Föderationskreis / Russland
Gold (silver-rich) intergrown with tetraauricupride (AuCu), rimmed by silver-poor gold.
Views (File:
1555676427
): 569
Gold (silver-rich) intergrown with tetraauricupride (AuCu), rimmed by silver-poor gold.
Aus Gold-Platin-Seife, Llorente-River, Samar, Philippinen. Erzanschliff von Konzentrat, Auflicht; Literatur: Oberthür T, Melcher F & Weiser T (2017) Detrital platinum-group minerals and gold in placers of south-eastern Samar Island, Philippines. Canadian Mineralogist 54(1), 45-62.
Copyright: T. Oberthür (TO); Contribution: Oberthür
Collection: TO / AS 7438, Schliffsammlung BGR Hannover
Location: Philippinen/Visayas/Eastern Visayas, Region/Samar, Insel/Llorente Fluß
Mineral: Gold, Tetra-auricupride
Image: 1555676427
License: Public Domain
Gold (silver-rich) intergrown with tetraauricupride (AuCu), rimmed by silver-poor gold.  W
Analysed with wavelength-dispersive X-ray WDS

Aus Gold-Platin-Seife, Llorente-River, Samar, Philippinen. Erzanschliff von Konzentrat, Auflicht; Literatur: Oberthür T, Melcher F & Weiser T (2017) Detrital platinum-group minerals and gold in pla...

Collection: TO / AS 7438, Schliffsammlung BGR Hannover
Copyright: T. Oberthür (TO)
Contribution: Oberthür 2019-04-19
Locality: Llorente Fluß / Samar, Insel / Eastern Visayas, Region / Visayas / Philippinen
Taimyrit, Pb-Polarit, Tetraauricuprid, Silber etc.
Views (File:
1580841175
): 93
Taimyrit, Pb-Polarit, Tetraauricuprid, Silber etc.
Erzschliff mit Taimyrit, Auricuprid, Tetraauricuprid, Polarit, Pb- Polarit, Tulameenit, Sperrylith, Silber etc. aus dem Majak Mine, Talnakh, Norilsk, Russland. Analyse von N. Rudashevsky, Sankt Petersburg.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: Erz-Taim-2-1-6
Location: Russland/Sibirien, Föderationskreis/Krasnojarsk (Krasnojarski), Krai/Taimyrhalbinsel (Tajmyr)/Putoran-Plateau/Noril'sk/Talnakh/Mayak (Majak)
Mineral: Polarite, Taimyrite, Tetra-auricupride
Image: 1580841175
License: Usage for Mineralienatlas project only
Taimyrit, Pb-Polarit, Tetraauricuprid, Silber etc. (SNr: Erz-Taim-2-1-6)

Erzschliff mit Taimyrit, Auricuprid, Tetraauricuprid, Polarit, Pb- Polarit, Tulameenit, Sperrylith, Silber etc. aus dem Majak Mine, Talnakh, Norilsk, Russland. Analyse von N. Rudashevsky, Sankt Pet...

Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2020-02-04
Locality: Mayak (Majak) / Talnakh / Noril'sk / Putoran-Plateau / Taimyrhalbinsel (Tajmyr) / Krasnojarsk (Krasnojarski), Krai / Sibirien, Föderationskreis / Russland

Collectors Summary

Color rötlichgelb-met.
Streak color gelb
Lustre Metallglanz
Hardness (Mohs) 4.5
Solubility - Säuren
Crystal System tetragonal, P4/mmm
Morphology körniges Mineral ohne den Anspruch Kristallflächen auszubilden

Chemism

Chemical formula

AuCu

Chemical composition

Gold, Kupfer

Unit weight: 260.512852 u; Number of atoms in the formula: 2

Info

Empirical formula:

AuCu

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Copper

Cu

24.39

1

50.00

63.5463000

63.5463000

Gold

Au

75.61

1

50.00

196.9665520

196.9665520

Analysis wt%

Cu : 23.74, Au : 75.18 (Ref: Sci.Geol.Sin.82)

Strunz 9th edition incl. updates

1.AA.10

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
A: Kupfer-Cupalit-Familie
10:Auricuprid-Gruppe

Lapis Classification

I/A.01-060

I: ELEMENTE
A: Metalle und intermetallische Verbindungen

Classification by Hölzel

1.AA.350

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
A: Cu,Ag,Au-Group

Hey's Chemical Index of Minerals

01.07

01: Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Dana 8th edition

01.01.02.02

01: Native Elements and Alloys
01: Native Elements with metallic elements other than the platinum group
02: Auricupride Group

IMA status

anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

rötlichgelb-met.

Streak color

gelb

Diaphaneity (Transparency)

opak, opak

Lustre

Metallglanz

Pleochroism

keiner

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

123

Space Group

P4/mmm

Cell parameters a (Å)

3.98

Cell parameters b (Å)

-

Cell parameters c (Å)

3.72

Cell parameters a/b or c/a

0.935

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

58.926

X-Ray Powder Diffraction

2.24(100),
1.99(50),
1.195(100),
1.125(60),
1.040(50),
0.877(70),
0.832(60),
0.797(90)

XRD chart Tetra-auricupride

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

Morphology

körniges Mineral ohne den Anspruch Kristallflächen auszubilden

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

294 (20g)

Density (g/cm³)

15.03

14.682 ( ρ calc. Mineralienatlas )

Radioactivity

keine

Instability

- Säuren

Preface

Name from

Der Namme stammt von den tetragonalen Kristallen und der chemischen Nähe zu Auricuprid.

Author (Name, Year)

Chen & Yu & Zhang & Peng, 1982

References

Scientia Geologica Sinica 1982(1), 111-116 (in Chinese with English abstract).

American Mineralogist (1983), 68, 1250-1251 (abstract).

Acta Chemica Scandinavica (1967): 21: 2900.

Canadian Mineralogist (1990), 28, 751.

Canadian Mineralogist (1997), 35, 573.

Strunz Mineralogical Tables 9. Edition (2001), 35.

IMA / CNMNC Liste 2007, Strunz ID Änderung 1.AA.05 -> 1.AA.10

Other languages

German

Tetra-Auricuprid

French

Tetra-Auricupride

English

Tetra-auricupride

Spanish

Tetraauricúprido

Russian

Тетрааурикуприд

Simplified Chinese

四方铜金矿

Alternative Name

German

Tetraauricuprid

English

Tetraauricupride

CNMNC (IMA)-Number

IMA 1982-005

CNMNC symbol

Symbol

Taur

Locations with GPS information

IDs

GUSID (Global unique identifier short form) Zcf1-cL9aU2ea5UlTPSCLg
GUID (Global unique identifier) F9F5C765-FDC2-4D69-9E6B-95254CF4822E
Database ID 3804