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Ernienickelite

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Ernienickelit
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Ernienickelit

rotbraun durchscheinende Tafel von Ernienickelit, SM7 Pit, Siberia Goldfield, Kalgoorlie, Western Australia, Australien; BB < 1 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-29
Locality: SM7 Pit / Siberia-Komplex / Kalgoorlie / Kalgoorlie-Boulder City / Goldfields-Esperance, Region / Western Australia / Australien

Collectors Summary

Color rötlich schwarz
Streak color gelblich braun
Hardness (Mohs) 2
Cleavages vollkommen {001}
Fracture splittrig
Crystal System trigonal, R3, R3

Chemism

Chem­ical formula

NiMn34+O7·3H2O

Chem­ical com­po­si­tion

Mangan, Nickel, Sauerstoff, Wasserstoff

Unit weight: 389.5495517 u; Number of atoms in the formula: 20

Info

Empirical formula:

NiMn3O7·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.55

6

30.00

1.0079470

6.0476820

Oxygen

O

41.07

10

50.00

15.9994300

159.9943000

Manganese

Mn

42.31

3

15.00

54.9380499

164.8141497

Nickel

Ni

15.07

1

5.00

58.6934200

58.6934200

Anal­y­sis wt%

MnO2 : 68.25, NiO : 16.68, H2O : 13.94 (Ref: Canadian Mineralogist 94)

Strunz 9th edi­tion incl. updates

4.FL.20

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
F: Hydroxide (ohne V oder U)
L: Hydroxide mit H2O ± (OH); Lagen kantenverknüpfter Oktaeder
20:Chalkophanit-Gruppe

Lapis Clas­sifica­tion

IV/F.11-015

IV: OXIDE
F: Hydroxide und oxidische Hydrate (wasserhaltige Oxide mit Schichtstruktur)

Clas­sifica­tion by Hölzel

4.FE.140

4: OXIDES
F: Hydroxides and Hydrates (without V and U)
E: Oxide-Hydrates
1: Chalcophanite-Group

Dana 8th edi­tion

07.08.02.04

07: Multiple Oxides
08: Multiple Oxides where A B (O)2·x(H2O)
02: Chalcophanite Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

rötlich schwarz

Streak color

gelblich braun

Diaphane­ity (Trans­parency)

teilweise durchscheinend bis opak

max. Birefrin­gence

0.03>

Birefringence chart\! Ernienickelite title=Birefringence chart Ernienickelite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

2.00>

RI value γ / ε

1.97

Ri mean

2.00>

2V angle

Uniaxial (-)

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3, 3

Space Group number

146, 148

Space Group

R3, R3

Cell param­e­ters a (Å)

7.514

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

20.52

Cell param­e­ters a/b or c/a

2.731

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

6

Volumne (ų)

1003.345

X-Ray Pow­der Diffrac­tion

6.84(100),
4.01(20),
3.44(10),
2.748(10),
2.533(10),
2.219(30),
1.884(20),
1.575(20)

XRD chart Ernienickelite

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

Physical Properties

Hard­ness (Mohs)

2

VHN (Hard­ness Vick­ers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.84

3.868 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {001}

Frac­ture

splittrig

Tenac­ity

spröde

Preface

Name from

Ernest Henry "Ernie" Nickel (1925–2009), Prof. für Mineralogie, Kanada; später in Perth, Western Australia, tätig. Nachruf siehe Can. Mineral. 48 (2010) S.1315-1316 oder Austr. J. Mineral. 15 (2009) S.61-62.

Author (Name, Year)

Grice & Gartrell & Gault & Van Velthuizen, 1994

References

Canadian Mineralogist 32 (1994), 333

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

Aurorite

Mn2+Mn4+3O7·3H2O

trigonal : 3, 3 : R3, R3

4.FL.20

Jianshuiite

(Mg,Mn2+)Mn34+O7·3H2O

triklin : 1 : P1

4.FL.20

Chalcophanite

(Zn,Fe2+,Mn2+)Mn34+O7·3H2O

trigonal : 3 : R3

4.FL.20

Ernienickelite

NiMn34+O7·3H2O

trigonal : 3, 3 : R3, R3

4.FL.20

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

Jianshuiite

(Mg,Mn2+)Mn34+O7·3H2O

triklin : 1 : P1

IV/F.11-005

Aurorite

Mn2+Mn4+3O7·3H2O

trigonal : 3, 3 : R3, R3

IV/F.11-010

Ernienickelite

NiMn34+O7·3H2O

trigonal : 3, 3 : R3, R3

IV/F.11-015

Chalcophanite

(Zn,Fe2+,Mn2+)Mn34+O7·3H2O

trigonal : 3 : R3

IV/F.11-020

Cianciulliite

Mn4+(Mg,Mn2+)2Zn21+(OH)10·2-4H2O

monoklin : 2/m : C2/m

IV/F.11-025

Birnessite

(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O

monoklin : 2/m : C2/m

IV/F.11-030

'Buserite'

Na4Mn14O27·21H2O

IV/F.11-040

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

Chalcophanite

(Zn,Fe2+,Mn2+)Mn34+O7·3H2O

trigonal : 3 : R3

4.FE.100

Aurorite

Mn2+Mn4+3O7·3H2O

trigonal : 3, 3 : R3, R3

4.FE.120

Ernienickelite

NiMn34+O7·3H2O

trigonal : 3, 3 : R3, R3

4.FE.140

Jianshuiite

(Mg,Mn2+)Mn34+O7·3H2O

triklin : 1 : P1

4.FE.170

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

Todorokite

(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O

monoklin : 2/m : P2/m

07.08.01.01

Woodruffite

Zn2+(Mn4+,Mn3+)5O10·4H2O

monoklin : 2/m : B2/m, C2/m

07.08.01.02

Chalcophanite

(Zn,Fe2+,Mn2+)Mn34+O7·3H2O

trigonal : 3 : R3

07.08.02.01

Aurorite

Mn2+Mn4+3O7·3H2O

trigonal : 3, 3 : R3, R3

07.08.02.02

Jianshuiite

(Mg,Mn2+)Mn34+O7·3H2O

triklin : 1 : P1

07.08.02.03

Ernienickelite

NiMn34+O7·3H2O

trigonal : 3, 3 : R3, R3

07.08.02.04

Lazarenkoite

(Ca,Fe2+)Fe3+As33+O7·3H2O

07.08.03.01

Other languages

German

Ernienickelit

Spanish

Ernienickelita

English

Ernienickelite

French

Ernienickelite

Russian

Эрниеникелит

Russian

Эрниникелит

Japanese

エリニエニッケル鉱

Alternative Name

English

Ni-chalcophanite

IMA Number

IMA 1993-002

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

German pages

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

English pages

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

Webmineral.ru - search for: Эрниеникелит

Mineral Dealer

German pages

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Locations with GPS information