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Pararsenolamprite

Pictures (1 Images total)

Pararsenolamprit
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Pararsenolamprit
graumetallischer Pararsenolamprit, Hinoji Mine, Yamaga, Hayami-gun, Oita, Kyushu, Japan; ~ 3 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Hayami, Kreis/Hinoji Mine (Mukuno Mine)
Mineral: Pararsenolamprite
Image: 1588009724
License: Usage for Mineralienatlas project only
Pararsenolamprit

graumetallischer Pararsenolamprit, Hinoji Mine, Yamaga, Hayami-gun, Oita, Kyushu, Japan; 3 mm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-04-27
Locality: Hinoji Mine (Mukuno Mine) / Hayami, Kreis / Oita, Präfektur / Kyūshū (Kyushu), Insel / Japan

Collectors Summary

Color bleigrau
Lustre Metallglanz
Hardness (Mohs) 2.00 - 2.50
Cleavages vollkommen {001}
Fracture sectile
Crystal System orthorhombisch, Pmn21, P21nm

Chemism

Chemical formula

As

Chemical composition

Arsen

Unit weight: 74.921602 u; Number of atoms in the formula: 1

Info

Empirical formula:

As

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Arsenic

As

100.00

1

100.00

74.9216020

74.9216020

Analysis wt%

As : 91.89, Sb : 7.25, S : 0.48 (Ref: Mineralogical Magazine 2001)

Strunz 9th edition incl. updates

1.CA.10

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
C: Halbmetalle (Metalloide) und Nichtmetalle
A: Arsengruppen-Elemente
10:Arsenolamprit-Gruppe

Lapis Classification

I/B.01-055

I: ELEMENTE
B: Halbmetalle und Nichtmetalle
1: Arsen-Gruppe

Classification by Hölzel

1.CA.120

1: ELEMENTS
C: Metalloides (As,Sb,Bi)
A:

Dana 8th edition

01.03.02.02

01: Native Elements and Alloys
03: Native Elements with semi-metallic and non-metallic elements

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

bleigrau

Change in color

weiß in reflektiertem Licht

Diaphaneity (Transparency)

opak

Lustre

Metallglanz

Pleochroism

ausgeprägt

Anisotropism

stark

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

31

Space Group

Pmn21, P21nm

Cell parameters a (Å)

3.633

Cell parameters b (Å)

10.196

Cell parameters c (Å)

10.314

Cell parameters a/b or c/a

0.356

Cell parameters c/b

1.012

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

18

Volume (ų)

382.052

X-Ray Powder Diffraction

5.17(100),
4.60(20),
3.259(60),
2.840(30),
2.580(20),
2.562(20),
2.299(20),
1.794(30)
XRD chart Pararsenolamprite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.00 - 2.50

VHN (Hardness Vickers)

79 (25g)

Density (g/cm³)

5.88 (gemessen)

5.861 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Fracture

sectile

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Japan/Kyūshū (Kyushu), Insel/Oita, Präfektur/Hayami, Kreis/Hinoji Mine (Mukuno Mine)

Preface

Author (Name, Year)

Matsubara & Miyawaki & Shimizu & Yamanaka, 2001

References

Mineralogical Magazine 65 (2001), 807

Other languages

German

Pararsenolamprit

Spanish

Pararsenolamprita

English

Pararsenolamprite

French

Pararsenolamprite

Simplified Chinese

副斜方砷

CNMNC (IMA)-Number

IMA 1999-047

CNMNC symbol

Symbol

Pasl

Locations with GPS information

IDs

GUSID (Global unique identifier short form) iAe8v6JWlEisZzr5fAqdjQ
GUID (Global unique identifier) BFBC0788-56A2-4894-AC67-3AF97C0A9D8D
Database ID 2937