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Gersdorffite (Gersdorffit)

Pictures (4 Images total)

Große Gersdorffit xx
Views (File:
1525019427
): 636
Große Gersdorffit xx
Recht große (und gute!) Gersdorffit xx bis ca. 4 cm Durchmesser auf carbonatischer Gangart mit wenig Annabergit. Aus einem relativ "rezenten" Fund um 2015/16. Stufenhöhe ca. 7 cm. Ait Ahmane, Bou Azzer, Marokko.
Copyright: Jan Hartmann; Contribution: Alcest
Collection: Jan Hartmann
Location: Marokko/Drâa-Tafilalet, Region/Zagora, Provinz/Agdz, Cercle/Aït Ahmane
Mineral: Gersdorffite
Image: 1525019427
Rating: 6.5 (votes: 2)
License: Creative Commons - Attribution (CC-BY) V.3.0
Große Gersdorffit xx

Recht große (und gute!) Gersdorffit xx bis ca. 4 cm Durchmesser auf carbonatischer Gangart mit wenig Annabergit. Aus einem relativ "rezenten" Fund um 2015/16. Stufenhöhe ca. 7 cm. Ait Ahmane, Bou A...
Collection: Jan Hartmann
Copyright: Jan Hartmann
Contribution: Alcest 2018-04-29
Locality: Aït Ahmane / Agdz, Cercle / Zagora, Provinz / Drâa-Tafilalet, Region / Marokko
Gersdorffit xx
Views (File:
1666440216
): 57
Gersdorffit xx
von der Halde der ⚒ Großfürstin Alexandra, Schleifsteintaler Revier, Goslar, Niedersachsen, DE, Bildbreite ca.3mm
Copyright: harzer; Contribution: harzer
Collection: harzer
Location: Deutschland/Niedersachsen/Goslar, Landkreis/Goslar/Schleifsteintaler Revier/Grube Großfürstin Alexandra
Mineral: Gersdorffite
Image: 1666440216
Rating: 6 (votes: 1)
License: Usage for Mineralienatlas project only
Gersdorffit xx

von der Halde der ⚒ Großfürstin Alexandra, Schleifsteintaler Revier, Goslar, Niedersachsen, DE, Bildbreite ca.3mm
Collection: harzer
Copyright: harzer
Contribution: harzer 2022-10-22
Locality: Grube Großfürstin Alexandra / Schleifsteintaler Revier / Goslar / Goslar, Landkreis / Niedersachsen / Deutschland
Gersdorffit
Views (File:
1666812623
): 43
Gersdorffit
Gersdorffit 15x15x20 mm mm Deutschland/Thüringen/Saale-Orla-Kreis/Bad Lobenstein/ Grube Zufriedenheit
Copyright: Othmar Atzor; Contribution: anatase2
Collection: anatase2, Collection number: 0788
Location: Deutschland/Thüringen/Saale-Orla-Kreis/Bad Lobenstein
Mineral: Gersdorffite
Image: 1666812623
License: Usage for Mineralienatlas project only
Gersdorffit (SNr: 0788)

Gersdorffit 15x15x20 mm mm Deutschland/Thüringen/Saale-Orla-Kreis/Bad Lobenstein/ Grube Zufriedenheit
Collection: anatase2
Copyright: Othmar Atzor
Contribution: anatase2 2022-10-26
Locality: Bad Lobenstein / Saale-Orla-Kreis / Thüringen / Deutschland
Quartz with Gersdorffite inclusions
Views (File:
1669535286
): 24
Quartz with Gersdorffite inclusions
Quartz with Gersdorffite inclusions, that is very hard to find on market now, from Astaf'evskoe quartz deposit, Chelyabinsk Oblast, Russia; Dimensions: 64 mm x 41 mm x 39 mm
Copyright: pegmatite; Contribution: pegmatite
Location: Russland/Ural, Föderationskreis/Tscheljabinsk, Oblast/Astafievskoe (Astaf'evskoe) Quarzlagerstätte
Mineral: Gersdorffite
Image: 1669535286
License: Usage for Mineralienatlas project only
Quartz with Gersdorffite inclusions

Quartz with Gersdorffite inclusions, that is very hard to find on market now, from Astaf'evskoe quartz deposit, Chelyabinsk Oblast, Russia; Dimensions: 64 mm x 41 mm x 39 mm
Copyright: pegmatite
Contribution: pegmatite 2022-11-27
Locality: Astafievskoe (Astaf'evskoe) Quarzlagerstätte / Tscheljabinsk, Oblast / Ural, Föderationskreis / Russland

You find additional Gersdorffit specimen at the Geolitho Museum

Collectors Summary

Crystal System kubisch, P213

Chemism

Chemical formula

NiAsS

Chemical composition

Arsen, Nickel, Schwefel

Unit weight: 165.680522 u; Number of atoms in the formula: 3

Info

Empirical formula:

NiAsS

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

19.35

1

33.33

32.0655000

32.0655000
Nickel

Ni

35.43

1

33.33

58.6934200

58.6934200
Arsenic

As

45.22

1

33.33

74.9216020

74.9216020

Strunz 9th edition incl. updates

2.EB.25

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
B: M:S = 1:2, mit Fe, Co, Ni, PGE, usw.
25:Gersdorffit-Gruppe

Classification by Hölzel

2.EB.435

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
B: With Fe,Co,Ni,PGE Pyrite, Marcasite Family
4: Gersdorffite Ullmannite Cobaltite-Group

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Cobaltite group

Optical Properties

Crystallography

Crystal System

kubisch

Class (H-M)

23

Space Group number

198

Space Group

P213

Cell parameters a (Å)

5.6888

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

Volumne (ų)

184.103

X-Ray Powder Diffraction

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.977 (berechnet)

5.977 ( ρ calc. Mineralienatlas )

References

Bayliss P (1982) A further crystal structure refinement of gersdorffite, American Mineralogist 67, 1058-106

Journal of Solid State Chemistry 162 (2001), 69-78

IMA group assignments

Other languages

German

Gersdorffit

umbenannt; CNMNC Newsletter 69; Mineralogical Magazine, 86

English

Gersdorffite

renamed; CNMNC Newsletter 69; Mineralogical Magazine, 86

old name

German

Gersdorffit-P213

umbenannt; CNMNC Newsletter 69; Mineralogical Magazine, 86

English

Gersdorffite-P213

renamed; CNMNC Newsletter 69; Mineralogical Magazine, 86

Russian

Герсдорфит-P213

Japanese

ｹﾞﾙｽﾄﾞﾙﾌ鉱-P213

CNMNC symbol

Symbol

Gdf-P213

Locations with GPS information