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Hongshiite

Collectors Summary

Color leuchtend weiß mit einem leichtbräunlichen Farbton
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 4 - 5
Solubility - HCl, HNO3
Crystal System hexagonal,

Chemism

Chemical formula

PtCu

Chemical composition

Kupfer, Platin

Unit weight: 258.6245 u; Number of atoms in the formula: 2

Info

Empirical formula:

PtCu

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Copper

Cu

24.57

1

50.00

63.5463000

63.5463000

Platinum

Pt

75.43

1

50.00

195.0782000

195.0782000

Analysis wt%

Ø Pt : 74.93, Cu : 24.52, PLT : 74.93 (Ref: Chin.Acad.Geol.Sci.82)

Strunz 9th edition incl. updates

1.AG.45

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
G: PGE(Platin-Gruppen-Elemente)-Metall-Legierungen
45:Skaergaardit-Gruppe

Lapis Classification

I/A.14-090

I: ELEMENTE
A: Metalle und intermetallische Verbindungen
14: Platinmetalle und Platin-Eisen-Verbindungen, Verbindungen mit Zinn/Blei und Verwandte

Classification by Hölzel

1.AH.200

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
H: PGE Alloys

Hey's Chemical Index of Minerals

01.83

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

Dana 8th edition

01.02.03.01

01: Native Elements and Alloys
02: Native Elements with platinum group metals and alloys

IMA status

Anerkannt von der CNMNC nach der Veröffentlichung

Mineral status

anerkanntes Mineral

Optical Properties

Color

leuchtend weiß mit einem leichtbräunlichen Farbton

Streak color

schwarz

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Crystallography

Crystal System

hexagonal

Cell parameters a (Å)

10.703

Cell parameters b (Å)

-

Cell parameters c (Å)

13.197

Cell parameters a/b or c/a

1.233

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

48

Volume (ų)

1309.233

X-Ray Powder Diffraction

6.057(10),
4.278(30),
2.299(20),
2.194(100),
2.141(30),
1.888(90),
1.349(50),
1.325(50)

XRD chart Hongshiite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

4 - 5

VHN (Hardness Vickers)

241 (50g)

Density (g/cm³)

15.63 (berechnet)

15.744 ( ρ calc. Mineralienatlas )

Instability

- HCl, HNO3

Preface

Author (Name, Year)

Yu & Lin & Chao & Fang & Huang, 1974

References

American Mineralogist 61 (1976), 185 (Zusammenfassung).

Bulletin of the Institute of Geology, Chinese Academy of Sciences 4 (1982), 78.

American Mineralogist 69 (1984), 411 (Zusammenfassung).

Transactions (Doklady) of the USSR Academy of Sciences, Earth Science Sections 328 (1993), 128.

Acta Geologica Sinica (in Chinese) 75 (2001), 400.

Kwitko, R., Cabral, A.R., Lehmann, B., Laflamme, J.H.G., Cabri, L.J., Criddle, A.J., and Galbiatti, H.F. (2002) Hongshiite, PtCu, from itabirite-hosted Au-Pd-Pt mineralization (jacutinga), Itabira district, Minas Gerais, Brazil. Canadian Mineralogist - Canadian Mineralogist 40 (2002), 435,711.

American Mineralogist 87 (2002), 1513 (Zusammenfassung).

Other languages

German

Hongshiit

Spanish

Hongshiita

French

Hongshiite

English

Hongshiite

Russian

Хонгшиит

Simplified Chinese

红石矿

Alternative Name

English

Isoplatinocopper

CNMNC symbol

Symbol

Hng

Locations with GPS information

IDs

GUSID (Global unique identifier short form) u9xmLuUVU0aCSwqBIBxoVg
GUID (Global unique identifier) 2E66DCBB-15E5-4653-824B-0A81201C6856
Database ID 1628