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Ernienickelite

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Siberia complex, Western Australia, Australia
© Thomas Witzke

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Formula:
NiMn
 
3
O
 
7
 · 3H
 
2
O
System:TrigonalColour:Black, red-brown cast.
Hardness:2
Name:In honor of Dr. Ernest (Ernie) H. Nickel (1925-2009), Canadian-Australian mineralogist with the CSIRO, Perth, Australia
This page provides mineralogical data about Ernienickelite.

Classification of Ernienickelite

IMA status:Approved
Strunz 8th edition ID:4/F.11-15
Nickel-Strunz 10th (pending) edition ID:4.FL.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
Dana 8th edition ID:7.8.2.4

7 : MULTIPLE OXIDES
8 : AB3X7
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Type Occurrence of Ernienickelite

Type Locality:SM7 pit, Siberia complex, Western Australia, Australia
Place of Conservation of Type Material:Canadian Museum of Nature, cat. no. CMN#81510

Physical Properties of Ernienickelite

Diaphaneity (Transparency):Opaque
Colour:Black, red-brown cast.
Streak:yellow-brown
Hardness (Mohs):2
Hardness Data:Measured
Tenacity:Brittle
Fracture:Splintery
Density (measured):3.84 g/cm3
Density (calculated):3.83 g/cm3

Crystallography of Ernienickelite

Crystal System:Trigonal
Class (H-M):3 - Pyramidal
Space Group:R3
Cell Parameters:a = 7.5142(2) Å, c = 20.52(2) Å
Ratio:a:c = 1 : 2.731
Unit Cell Volume:V 1,003.40 ų (Calculated from Unit Cell)
Z:6
Morphology:platy crystals, hexagonal to nearly circular
Twinning:on {-12-10}
X-Ray Powder Diffraction:
d-spacingIntensity
6.84 (100)
2.219 (30)
4.01 (20)
1.884 (20)
1.575 (20)
3.44 (10)
2.748 (10)

Optical Data of Ernienickelite

Type:Uniaxial (-)
RI values: nω = 2.000 nε = 1.970
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Ernienickelite

Formula:
NiMn
 
3
O
 
7
 · 3H
 
2
O
Essential elements:H, Mn, Ni, O
All elements listed in formula:H, Mn, Ni, O
Common Impurities:Co,Mg

Relationship of Ernienickelite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FL.05Woodallite
Mg
 
6
Cr
 
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
4.FL.05Iowaite
Mg
 
6
Fe
3+
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
4.FL.05Jamborite
(Ni
2+
 
,Ni
3+
 
,Co,Fe)(OH)
 
2
(OH,S,H
 
2
O)
4.FL.05Meixnerite
Mg
 
6
Al
 
2
(OH)
 
18
 · 4H
 
2
O
4.FL.05Muskoxite
Mg
 
7
Fe
 
4
O
 
13
 · 10H
 
2
O
4.FL.05Fougèrite
(Fe
2+
 
,Mg)
 
6
Fe
3+
2
(OH)
 
18
 · 4H
 
2
O
4.FL.10Hydrocalumite
Ca
 
2
Al(OH)
 
7
 · 2H
 
2
O
4.FL.15Kuzelite
Ca
 
4
Al
 
2.4
(OH)
 
12.8
(SO
 
4
) · 6H
 
2
O
4.FL.20Aurorite
(Mn
2+
 
,Ag,Ca)Mn
4+
3
O
 
7
 · 3H
 
2
O
4.FL.20Chalcophanite
(Zn,Fe,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
4.FL.20Jianshuiite
(Mg,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
4.FL.25Woodruffite
Zn(Mn
4+
 
,Mn
3+
 
)
 
5
O
 
10
·3½H
 
2
O
4.FL.30Asbolane
(Ni,Co)
 
2-x
Mn
4+
 
(O,OH)
 
4
 · nH
 
2
O
4.FL.35Buserite
Na
 
4
Mn
 
14
O
 
27
 · 21H
 
2
O
4.FL.40Ranciéite
(Ca,Mn)Mn
 
4
O
 
9
 · 3H
 
2
O
4.FL.40Takanelite
(Mn,Ca)Mn
 
4
O
 
9
 · H
 
2
O
4.FL.45Birnessite
(Na,Ca)
 
0.5
(Mn
4+
 
,Mn
3+
 
)
 
2
O
 
4
 · 1.5H
 
2
O
4.FL.55Cianciulliite
Mn(Mg,Mn)
 
2
Zn
 
2
(OH)
 
10
 · 2-4H
 
2
O
4.FL.60Jensenite
Cu
 
3
[TeO
 
6
] · 2H
 
2
O
4.FL.65Leisingite
Cu(Mg,Cu,Fe,Zn)
 
2
[TeO
 
6
] · 6H
 
2
O
4.FL.70Akdalaite
4Al
 
2
O
 
3
 · H
 
2
O
4.FL.75Cafetite
(Ca,Mg)(Fe,Al)
 
2
Ti
 
4
O
 
12
 · 4H
 
2
O
4.FL.80Mourite
UMo
 
5
O
 
12
(OH)
 
10
4.FL.85Deloryite
Cu
 
4
(UO
 
2
)(MoO
 
4
)
 
2
(OH)
 
6

Other Names for Ernienickelite

Synonyms:
IMA1993-002
Other Languages:
German:Ernienickelit
Russian:Эрниеникелит
Spanish:Ernienickelita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ernienickelite

Reference List:

- +
Gorshkov, A.I., et al. (1992): Ni-chalcophanite: a new variety of the mineral from a weathering crust on ultramafic rocks of the Kempirsay massif (southern Urals: Izvest. Akad. Nauk, Ser. Geol. 1992 (11), 108-117. [abstract: American Mineralogist, 79,388(1994)]

Grice, J.D., et al. (1994): Ernienickelite, a new mineral species from the Siberia complex, Western Australia: comments on the crystallography of the chalcophanite group: Canadian Mineralogist: 32: 333-337. [abstract: American Mineralogist 80,404(1995)]

Internet Links for Ernienickelite

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    • Localities for Ernienickelite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Western Australia
      • Siberia complex
    		Can.Min. 32,333-337(1994)
    Cameroon
     
    • East Region
      • Lomié
    		Lambert, R.J., and Noble, A.C. (2008): Nkamouna Cobalt Project Feasibility Study. Pincock, Allen & Holt NI 43-101 Technical Report for Geovic Mining Corp.
    Kazakhstan
     
    • Aktobe Province (Aqtöbe Oblysy; Aktubinskaya Oblast')
      • Urals
        • Kempirsai Cr deposit
    		Am.Min.79,388(1994)
    Senegal
     
    • Thiès Region
      • Tivaouane
    		Gunnar Farber specimens, 2007; Hühne, H. (2009): Traubiger Apatit und Ernienickelit aus den Phosphatminen Senegals. Lapis 34, 24.
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    Updated Mineral Entry: AlbiteFrom Uwe Kolitsch, 12th Feb 2012 18:06:49