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Leadamalgam (Bleiamalgam)

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Bleiamalgam
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Bleiamalgam
schwarze Massen von Bleiamalgam mit ged. Silber, Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico; BB ~ 5 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Mexiko/Sonora/Moctezuma, Municipio/Moctezuma/Bambolla Mine (Moctezuma Mine)
Mineral: Leadamalgam
Image: 1588314696
License: Usage for Mineralienatlas project only
Bleiamalgam

schwarze Massen von Bleiamalgam mit ged. Silber, Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico; BB 5 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-05-01
Locality: Bambolla Mine (Moctezuma Mine) / Moctezuma / Moctezuma, Municipio / Sonora / Mexiko

Collectors Summary

Color silberweiß-met.
Lustre Metallglanz
Hardness (Mohs) 1.5
Solubility +++ HNO3
Crystal System tetragonal, I4/mmm

Chemism

Chemical formula

Pb0.7Hg0.3

Chemical composition

Blei, Quecksilber

Unit weight: 205.2246 u; Number of atoms in the formula: 1

Info

Empirical formula:

Pb0.7Hg0.3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Mercury

Hg

29.32

0.3

30.00

200.5920000

60.1776000

Lead

Pb

70.68

0.7

70.00

207.2100000

145.0470000

Analysis wt%

Hg : 32.62, Pb : 67.38 (Ref: berechnet)

Strunz 9th edition incl. updates

1.AD.30

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
D: Quecksilber-Amalgam-Familie
30:Bleiamalgam-Gruppe

Lapis Classification

I/A.02-100

I: ELEMENTE
A: Metalle und intermetallische Verbindungen

Classification by Hölzel

1.AE.600

1: ELEMENTS
A: Metals, Intermetallic Compounds, and Alloys
E: Mercury & Amalgam-Group

Hey's Chemical Index of Minerals

01.32

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

Dana 8th edition

01.01.10.01

01: Native Elements and Alloys
01: Native Elements with metallic elements other than the platinum group
10: Lead Amalgam Alloys

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

silberweiß-met.

Lustre

Metallglanz

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

139

Space Group

I4/mmm

Cell parameters a (Å)

3.545

Cell parameters b (Å)

-

Cell parameters c (Å)

4.525

Cell parameters a/b or c/a

1.276

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

56.866

X-Ray Powder Diffraction

2.78(20),
2.49(50),
2.25(50),
1.78(50),
1.68(50),
1.49(100),
1.40(100)

XRD chart Leadamalgam

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

Physical Properties

Hardness (Mohs)

1.5

VHN (Hardness Vickers)

12 (100g)

Density (g/cm³)

11.96 (berechnet)

11.985 ( ρ calc. Mineralienatlas )

Instability

+++ HNO3

Preface

Author (Name, Year)

Chen & Yang & Ma & Peng, 1981

References

Dizhi Lunping (in Chinese) 27 (1981), 107.

American Mineralogist 70 (1985), 216.

Strunz Mineralogical Tables 9. Edition (2001), 40.

Other languages

French

Amalgame de plomb

German

Bleiamalgam

English

Leadamalgam

Spanish

Plomoamalgama

Russian

Амальгама свинца

Alternative Name

German

Altmarkit

Spanish

Altmarkita

English

Altmarkite

CNMNC (IMA)-Number

IMA 1981-042

CNMNC symbol

Symbol

Lam

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 9oX4_C0H-02Vxr8c2bkCbQ
GUID (Global unique identifier) FCF885F6-072D-4DFB-95C6-BF1CD9B9026D
Database ID 428