Mindat Logo

Zincochromite

This page is currently not sponsored. Click here to sponsor this page.



Formula:
ZnCr
 
2
O
 
4
System:IsometricColour:Brown, brownish-grey in ...
Lustre:Sub-MetallicHardness:5½ - 6
Member of:Spinel Group
Name:Named as the zinc analogue of Chromite.


Spinel Group. The zinc analogue of Chromite.

Classification of Zincochromite

IMA status:Approved 1986
Strunz 8th edition ID:4/B.03-60
Nickel-Strunz 10th (pending) edition ID:4.BB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations
Dana 8th edition ID:7.2.3.6

7 : MULTIPLE OXIDES
2 : AB2X4
Hey's CIM Ref.:7.14.10

7 : Oxides and Hydroxides
14 : Oxides of Cr
mindat.org URL:http://www.mindat.org/min-4412.html
Please feel free to link to this page.

Type Occurrence of Zincochromite

Type Locality:Srednyaya Padma mine, Velikaya Guba uran-vanadium deposit, Zaonezhie peninsula, Lake Onega, Karelia Republic, Northern Region, Russia
Year of Discovery:1986

Physical Properties of Zincochromite

Lustre:Sub-Metallic
Colour:Brown, brownish-grey in reflected light
Hardness (Mohs):5½ - 6

Crystallography of Zincochromite

Crystal System:Isometric
Cell Parameters:a = 8.32Å
Unit Cell Volume:V 575.93 ų (Calculated from Unit Cell)

Optical Data of Zincochromite

Type:Isotropic

Chemical Properties of Zincochromite

Formula:
ZnCr
 
2
O
 
4
Simplified for copy/paste:ZnCr2O4
Essential elements:Cr, O, Zn
All elements listed in formula:Cr, O, Zn

Relationship of Zincochromite to other Species

Member of:Spinel Group
Other Members of Group:

- +
Ceylonite
Chromite
Fe
2+
 
Cr
3+
2
O
 
4
Cochromite
(Co,Ni,Fe)(Cr,Al)
 
2
O
 
4
Coulsonite
Fe
2+
 
V
3+
2
O
 
4
Cuprospinel
Cu
2+
 
Fe
3+
2
O
 
4
Filipstadite
(Sb
 
0.5
Fe
 
0.5
)Mn
 
2
O
 
4
Franklinite
Zn
2+
 
Fe
3+
2
O
 
4
Gahnite
ZnAl
 
2
O
 
4
Galaxite
(Mn,Fe,Mg)(Al,Fe)
 
2
O
 
4
Hercynite
Fe
2+
 
Al
 
2
O
 
4
Jacobsite
Mn
2+
 
Fe
3+
2
O
 
4
Magnesiochromite
Mg(Cr,Al,Fe)
 
2
O
 
4
Magnesiocoulsonite
MgV
 
2
O
 
4
Magnesioferrite
MgFe
3+
2
O
 
4
Magnetite
Fe
2+
 
Fe
3+
2
O
 
4
Manganochromite
(Mn,Fe)(Cr,V)
 
2
O
 
4
Nichromite
(Ni,Co,Fe)(Cr,Fe,Al)
 
2
O
 
4
Qandilite
(Mg,Fe)
 
2
(Ti,Fe,Al)O
 
4
Spinel
MgAl
 
2
O
 
4
Trevorite
Ni
2+
 
Fe
3+
2
O
 
4
Ulvöspinel
Fe
 
2
TiO
 
4
Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
Related Minerals - Nickel-Strunz Grouping):

- +
4.BB.05Chromite
Fe
2+
 
Cr
3+
2
O
 
4
4.BB.05Cochromite
(Co,Ni,Fe)(Cr,Al)
 
2
O
 
4
4.BB.05Coulsonite
Fe
2+
 
V
3+
2
O
 
4
4.BB.05Cuprospinel
Cu
2+
 
Fe
3+
2
O
 
4
4.BB.05Filipstadite
(Sb
 
0.5
Fe
 
0.5
)Mn
 
2
O
 
4
4.BB.05Franklinite
Zn
2+
 
Fe
3+
2
O
 
4
4.BB.05Gahnite
ZnAl
 
2
O
 
4
4.BB.05Galaxite
(Mn,Fe,Mg)(Al,Fe)
 
2
O
 
4
4.BB.05Hercynite
Fe
2+
 
Al
 
2
O
 
4
4.BB.05Jacobsite
Mn
2+
 
Fe
3+
2
O
 
4
4.BB.05Manganochromite
(Mn,Fe)(Cr,V)
 
2
O
 
4
4.BB.05Magnesiocoulsonite
MgV
 
2
O
 
4
4.BB.05Magnesiochromite
Mg(Cr,Al,Fe)
 
2
O
 
4
4.BB.05Magnesioferrite
MgFe
3+
2
O
 
4
4.BB.05Magnetite
Fe
2+
 
Fe
3+
2
O
 
4
4.BB.05Nichromite
(Ni,Co,Fe)(Cr,Fe,Al)
 
2
O
 
4
4.BB.05Qandilite
(Mg,Fe)
 
2
(Ti,Fe,Al)O
 
4
4.BB.05Spinel
MgAl
 
2
O
 
4
4.BB.05Trevorite
Ni
2+
 
Fe
3+
2
O
 
4
4.BB.05Ulvöspinel
Fe
 
2
TiO
 
4
4.BB.05Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
4.BB.10Hausmannite
MnMn
 
2
O
 
4
4.BB.10Hetaerolite
ZnMn
 
2
O
 
4
4.BB.10Hydrohetaerolite
ZnMn
 
2
O
 
4
· H
 
2
O
4.BB.10Iwakiite
Mn(Fe,Mn)
 
2
O
 
4
4.BB.15Maghemite
Fe
3+
2
O
 
3
4.BB.15Titanomaghemite
Fe
3+
 
(Fe
3+
 
,Ti
4+
 
,Fe
2+
 
,◻)
 
2
O
 
4
4.BB.20Tegengrenite
(Mg,Mn
2+
 
)
 
2
Sb
5+
0.5
(Mn
3+
 
,Si,Ti)
 
0.5
O
 
4
4.BB.25Xieite
Fe
2+
 
Cr
 
2
O
 
4
Related Minerals - Hey's Index Grouping:

- +
7.14.1Eskolaite
Cr
 
2
O
 
3
7.14.2Bracewellite
CrO(OH)
7.14.3Grimaldiite
CrO(OH)
7.14.4Guyanaite
CrO(OH)
7.14.5Yimengite
K(Cr,Ti,Fe,Mg)
 
12
O
 
19
7.14.6Mathiasite
K(Ti,Cr,Fe,Mg,Zr)
 
21
O
 
38
7.14.7Mcconnellite
CuCrO
 
2
7.14.8Redledgeite
Ba(Ti
4+
6
Cr
3+
2
)O
 
16
7.14.9Hawthorneite
Ba(MgTi
 
3
Cr
 
4
Fe
 
4
)O
 
19
7.14.11Wattersite
(Hg
+
2
)
 
2
Hg
2+
 
(CrO
 
4
)O
 
2
7.14.12Chromite
Fe
2+
 
Cr
3+
2
O
 
4
7.14.13Magnesiochromite
Mg(Cr,Al,Fe)
 
2
O
 
4

Other Names for Zincochromite

Synonyms:
IMA1986-015
Other Languages:
German:Zincochromit
Zinkochromit
Russian:Цинкохромит
Spanish:Zincochromita

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 Zincochromite

Reference List:

- +
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1987): 116: 367-371.

American Mineralogist (1988): 73: 931-932.

Internet Links for Zincochromite

Search Engines:
  • Look for Zincochromite on Google
  • Look for Zincochromite images on Google
  • External Links:
  • Look for Zincochromite on Webmineral
  • Look for Zincochromite on Athena Mineralogy
  • Look for Zincochromite on Wikipedia
  • Look for Zincochromite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Zincochromite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Buy minerals from YourMineralCollection
  • Fine minerals from bisbeeborn.com
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy RARE Minerals from Rocks of Africa
  • Zincochromite specimens for sale - minfind.com
  • Top quality minerals from Kristalle of California
  • Wilensky Fine Minerals
  • Buy rare minerals from Excalibur Minerals
  • Buy fine minerals and gemstones from Pala International
  • rare and unusual minerals mainly crystallized
  • Fine and rare minerals from mintreasure.com
  • Fabre Minerals - search for Zincochromite specimens
  • Localities for Zincochromite

    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.
    (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
     
    • New South Wales
      • Young Co.
    www.minerals.nsw.gov.au/minfo/62_elinforc.html.
    Ghana
     
    • Western Region
      • Ashanti gold belt
        • Tarkwa
    The Canadian Mineralogist Vol. 35,p p.587-595(1997)
    Russia
     
    • Northern Region
      • Karelia Republic
        • Lake Onega
          • Zaonezhie peninsula
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Zapiski Vses. Mineralog. Obshch., 116(3),367-371; The Canadian Mineralogist Vol. 40, pp. 1001-1020 (2002)
      • Komi Republic
        • Prepolar Ural
          • Kozhim River Basin
            • Maldynyrd (Maldy-nyrd) range
    Pavel M. Kartashov data
    Venezuela
     
    • Bolívar
      • Guaniamo
        • Quebrada Grande River
    Zdenek Johan and Daniel Ohnenstetter (2010) Zincochromite from the Guaniamo River diamondiferous placers, Venezuela; evidence of its metasomatic origin. The Canadian Mineralogist(April 2010), 48(2):361-374
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: August 8, 2014 19:55:02
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds