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Damiaoite

Additional Functions

Collectors Summary

Color leuchtend weiß mit einem gelblichen Farbton
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 5
Cleavages keine
Solubility - HCl, HNO3, HF, H3PO4
Crystal System kubisch, Fm3m

Chemism

Chemical formula

PtIn2

Chemical composition

Indium, Platin

Unit weight: 424.7148 u; Number of atoms in the formula: 3

Info

Empirical formula:

PtIn2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Indium

In

54.07

2

66.67

114.8183000

229.6366000

Platinum

Pt

45.93

1

33.33

195.0782000

195.0782000

Analysis wt%

Ø In : 53.50, Pt : 45.60, PLT : 45.60 (Ref: Acta Geologica Sinica 97)

Strunz 9th edition incl. updates

1.AG.55

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
55:Damiaoit-Gruppe

Lapis Classification

I/A.14-085

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

Classification by Hölzel

1.AG.260

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
G: PGE-Group

Dana 8th edition

01.02.12.01

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

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

leuchtend weiß mit einem gelblichen Farbton

Streak color

schwarz

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Anisotropism

Isotropisch

Reflectivity: (Lambda nm) ↓, ↑, Ø

(400) 65.40, , 65.40
(420) 51.40, , 51.40
(440) 49.30, , 49.30
(460) 49.00, , 49.00
(480) 49.90, , 49.90
(500) 52.00, , 52.00
(520) 55.00, , 55.00
(540) 58.50, , 58.50
(560) 62.50, , 62.50
(580) 66.50, , 66.50
(600) 70.20, , 70.20
(620) 74.50, , 74.50
(640) 77.70, , 77.70
(660) 81.50, , 81.50
(680) 84.20, , 84.20
(700) 86.90, , 86.90

Reflection chart Damiaoite

Reflectivity Ø

64.66

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

225

Space Group

Fm3m

Cell parameters a (Å)

6.364

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

4

Volume (ų)

257.745

X-Ray Powder Diffraction

2.25(100),
1.92(60),
1.59(60),
1.299(80),
1.125(60),
1.006(70)

XRD chart Damiaoite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5

VHN (Hardness Vickers)

485 (50g)

Density (g/cm³)

10.95 (berechnet)

10.944 ( ρ calc. Mineralienatlas )

Cleavages

keine

Instability

- HCl, HNO3, HF, H3PO4

Preface

Name from

Der Name ehrt die Typlokalität Damiao, China

Author (Name, Year)

Yu, 1997

References

Acta Geologica Sinica (in chinesisch) 71 (1997), 328.

American Mineralogist 83 (1998), 653 (Zusammenfassung).

Zeitschrift für Physikalische Chemie B35 (1937), 354.

Other languages

German

Damiaoit

English

Damiaoite

French

Damiaoite

Spanish

Damiaoíta

Russian

Дамяоит

CNMNC (IMA)-Number

IMA 1995-041

CNMNC symbol

Symbol

Dam

IDs

GUSID (Global unique identifier short form) fYfgfAEIz0yLti6pCib8eQ
GUID (Global unique identifier) 7CE0877D-0801-4CCF-8BB6-2EA90A26FC79
Database ID 878