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Lonsdaleite

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Lonsdaleit
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Lonsdaleit

schwarzes Aggregat von Lonsdaleit, Popigai Meteoriten-Krater, Krasnojarsk, Russland; BB 5 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-23
Locality: Popigai Krater / Popigai, Fluss / Anabarskii-Massiv / Krasnojarsk, Region (Krasnojarski krai) / Sibirien, Föderationskreis / Russland

Collectors Summary

Color bräunlichgelb
Streak color bräunlich gelb
Hardness (Mohs) 3
Solubility Unlöslich
Crystal System hexagonal, P63/mmc

Chemism

Chem­ical formula

C

Chem­ical com­po­si­tion

Kohlenstoff

Unit weight: 12.01078 u; Number of atoms in the formula: 1

Info

Empirical formula:

C

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Carbon

C

100.00

1

100.00

12.0107800

12.0107800

Strunz 9th edi­tion incl. updates

1.CB.10

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
C: Halbmetalle (Metalloide) und Nichtmetalle
B: Kohlenstoff-Silizium-Familie
10:Diamant-Gruppe

Lapis Clas­sifica­tion

I/B.02-050

I: ELEMENTE
B: Halbmetalle und Nichtmetalle

Clas­sifica­tion by Hölzel

1.DA.140

1: ELEMENTS
D: Non Metals
A: Carbon-Silicon-Group

Dana 8th edi­tion

01.03.06.03

01: Native Elements and Alloys
03: Native Elements with semi-metallic and non-metallic elements
06: Carbon Polymorph group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

bräunlichgelb

Streak color

bräunlich gelb

Diaphane­ity (Trans­parency)

durchscheinend bis opak

max. Birefrin­gence

nicht wahrnehmbar

RI value α / ω / n

2.404

RI value β

near

Ri mean

2.40~

2V angle

Uniaxial

Crystallography

Crystal Sys­tem

hexagonal

Class (H-M)

6/mmm

Space Group number

194

Space Group

P63/mmc

Cell param­e­ters a (Å)

2.52

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

4.12

Cell param­e­ters a/b or c/a

1.635

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

4

Volumne (ų)

22.658

X-Ray Pow­der Diffrac­tion

2.18(40),
2.061(100),
1.933(20),
1.50(10),
1.257(60),
1.17(10),
1.075(30)

XRD chart Lonsdaleite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3

VHN (Hard­ness Vick­ers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.2 - 3.51

3.521 ( ρ calc. Mineralienatlas )

Insta­bil­ity

Unlöslich

(Co-)Type locality

(Co-)Type locality

USA/Arizona/Coconino Co./Winslow/Canyon Diablo Meteorit

Preface

Occurrences

Mit Diamanten im Canyon Diablo, Arizona; Goalpara, Indien; Allan Hills Meteorit 77283; Diamant-Seifen; Tunguska- Impakt , Sibirien.

Rare­ness

extrem selten

Author (Name, Year)

Frondel & Marvin, 1967

Addi­tional Informa­tion

ein meteorischer Diamant

References

Nature 214 (1967), 587

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Diamond

C

kubisch : m3m : Fd3m

1.CB.10

Lonsdaleite

C

hexagonal : 6/mmm : P63/mmc

1.CB.10

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Graphite

C

hexagonal : 6/mmm : P63/mmc

I/B.02-010

Chaoite

C

hexagonal : 6/mmm : P6/mmm

I/B.02-020

Moissanite

SiC

hexagonal : 6mm : P63mc

I/B.02-030

Diamond

C

kubisch : m3m : Fd3m

I/B.02-040

Lonsdaleite

C

hexagonal : 6/mmm : P63/mmc

I/B.02-050

'Fullerite'

C60

I/B.02-060

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Graphite

C

hexagonal : 6/mmm : P63/mmc

1.DA.100

Diamond

C

kubisch : m3m : Fd3m

1.DA.110

Chaoite

C

hexagonal : 6/mmm : P6/mmm

1.DA.130

Lonsdaleite

C

hexagonal : 6/mmm : P63/mmc

1.DA.140

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Arsenic

As

trigonal : 3m : R3m

01.03.01.01

Antimony

Sb

trigonal : 3m : R3m

01.03.01.02

Stibarsen

SbAs

trigonal : 3m : R3m

01.03.01.03

Bismuth

Bi

trigonal : 3m : R3m

01.03.01.04

Stistaite

SnSb

01.03.01.05

Arsenolamprite

As

orthorhombisch : mmm : Bmab

01.03.02.01

Pararsenolamprite

As

orthorhombisch : mm2 : Pmn21, P21nm

01.03.02.02

Paradocrasite

Sb2(Sb,As)2

monoklin : 2 : C2

01.03.03.01

Selenium

Se

trigonal : 32 : P3121

01.03.04.01

Tellurium

Te

trigonal : 32, 32 : P3221, P3121

01.03.04.02

Rosickýite

S

monoklin : 2/m : P2/c

01.03.05.02

Diamond

C

kubisch : m3m : Fd3m

01.03.06.01

Lonsdaleite

C

hexagonal : 6/mmm : P63/mmc

01.03.06.03

Chaoite

C

hexagonal : 6/mmm : P6/mmm

01.03.06.04

Silicon

Si

kubisch : m3m : Fd3m

01.03.07.01

Sinoite

Si2N2O

orthorhombisch : mm2 : Cmc21

01.03.09.01

Other languages

German

Lonsdaleit

French

Lonsdaleite

English

Lonsdaleite

Spanish

Lonsdaleíta

Russian

Лонсдейлит

Simplified Chinese

六方金刚石

Japanese

ロンスデーライト

IMA Number

IMA 1966-044

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Lonsdaleit
Google-Bilder-Suche - search for: Lonsdaleit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Lonsdaleit

English pages

Mindat - search for: Lonsdaleite
Webmineral - search for:Lonsdaleite
Handbook-of-Mineralogy - search for: Lonsdaleite
RRUFF - Raman, XRD and other mineral data - search for: Lonsdaleite
RRUFF - References and PDF downloads - search for: Lonsdaleite
American-Mineralogist-Crystal-Structure-Database - search for: Lonsdaleite
Athena - search for: Lonsdaleite

Russian pages

Webmineral.ru - search for: Лонсдейлит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Lonsdaleit
Crystal-Treasure.com - search for: Lonsdaleit
Bosse - search for: Lonsdaleit

Locations with GPS information