Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Ernienickelite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
NiMn3O7 · 3H2O
System:
Trigonal
Colour:
Black, red-brown cast.
Hardness:
2
Name:
Named in honor of Ernest (Ernie) Henry Nickel (1925-2009), Canadian-Australian mineralogist, Canada Centre for Mineral and Energy Technology (CANMET), Ottawa (1953-1971), Division of Mineralogy, CSIRO, Wembley, Western Australia (1971-1985), for his outstanding contributions to research on the mineralogy and genesis of economic mineral deposits in Canada and Australia, and to his dedication to the formalization of mineral systematics.
This page provides mineralogical data about Ernienickelite.

Classification of Ernienickelite

Approved
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
7.8.2.4

7 : MULTIPLE OXIDES
8 : AB3X7
mindat.org URL:
http://www.mindat.org/min-1402.html
Please feel free to link to this page.

First Recorded Occurrence of Ernienickelite

Place of Conservation of First Recorded 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:
3.84 g/cm3 (Measured)    3.83 g/cm3 (Calculated)

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 Data:
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
Max Birefringence:
δ = 0.030
Image 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:
NiMn3O7 · 3H2O
Essential elements:
All elements listed in formula:
Common Impurities:
Co,Mg

Relationship of Ernienickelite to other Species

4.FL.TrébeurdeniteFe22+Fe43+O2(OH)10CO3·3H2O
4.FL.05WoodalliteMg6Cr2(OH)16Cl2 · 4H2O
4.FL.05IowaiteMg6Fe23+(OH)16Cl2 · 4H2O
4.FL.05Jamborite(Ni2+1-x,Cox3+(OH)2-x(SO4)x·nH2O [x ≤ ⅓; n ≤ (1 - x)]
4.FL.05MeixneriteMg6Al2(OH)16(OH)2 · 4H2O
4.FL.05MuskoxiteMg7Fe4O13 · 10H2O
4.FL.05FougèriteFe42+Fe23+(OH)12[CO3]·3H2O
4.FL.10HydrocalumiteCa4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
4.FL.15KuzeliteCa4Al2(OH)12[SO4] · 6H2O
4.FL.20Aurorite(Mn2+,Ag,Ca)Mn34+O7 · 3H2O
4.FL.20Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
4.FL.20Jianshuiite(Mg,Mn)Mn3O7 · 3H2O
4.FL.25WoodruffiteZn(Mn4+,Mn3+)5O10·3½H2O
4.FL.30Asbolane(Ni,Co)2-xMn4+(O,OH)4 · nH2O
4.FL.35BuseriteNa4Mn14O27 · 21H2O
4.FL.40Ranciéite(Ca,Mn)Mn4O9 · 3H2O
4.FL.40Takanelite(Mn,Ca)Mn4O9 · H2O
4.FL.45Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
4.FL.55CianciulliiteMn(Mg,Mn)2Zn2(OH)10 · 2-4H2O
4.FL.60JenseniteCu3[TeO6] · 2H2O
4.FL.65LeisingiteCu(Mg,Cu,Fe,Zn)2[TeO6] · 6H2O
4.FL.70Akdalaite4Al2O3 · H2O
4.FL.75Cafetite(Ca,Mg)(Fe,Al)2Ti4O12 · 4H2O
4.FL.80MouriteUMo5O12(OH)10
4.FL.85DeloryiteCu4(UO2)(MoO4)2(OH)6

Other Names for Ernienickelite

Name in Other Languages:

Other Information

Health Risks:
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:
GRICE, J.D. GARTRELL, B., GAULT, R.A. & VAN VELTHUIZEN, J. (1994): Ernienickelite, NiMn3O73H2O, a new mineral species from the Siberia complex, Western Australia: comments on the crystallography of the calcophanite group. Canadian Mineralogist 32, 333-337.
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)]

Internet Links for Ernienickelite

Localities for Ernienickelite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
    • Kalgoorlie-Boulder Shire
      • Siberia
GRICE, J.D. GARTRELL, B., GAULT, R.A. & VAN VELTHUIZEN, J. (1994): Ernienickelite, NiMn3O73H2O, a new mineral species from the Siberia complex, Western Australia: comments on the crystallography of the chalcophanite group. Canadian Mineralogist 32, 333-337.
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.
Mineral and/or Locality  
Copyright © mindat.org 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: January 30, 2015 20:11:43 Page generated: January 27, 2015 02:03:52