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Guite

A valid IMA mineral species
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08807180017862555113220.jpg
Guite

Kansalawile Mine, Tenke-Fungurume area, Lualaba, DR Congo
08807180017862555113220.jpg
Guite

Kansalawile Mine, Tenke-Fungurume area, Lualaba, DR Congo
08807180017862555113220.jpg
Guite

Kansalawile Mine, Tenke-Fungurume area, Lualaba, DR Congo
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About GuiteHide

00030330017271953389457.jpg
Xiangping Gu
Formula:
Co2+Co3+2O4
Colour:
Dark gray
Lustre:
Metallic
Hardness:
6 - 6½
Specific Gravity:
6.003 (Calculated)
Crystal System:
Isometric
Name:
In honour of Prof. Xiangping Gu (1964-) for his great contributions to study of ore mineralogy and finding of new minerals in China, and to his excellent geological teaching in Central South University.
This page provides mineralogical data about Guite.


Unique IdentifiersHide

Mindat ID:
52593
Long-form identifier:
mindat:1:1:52593:0

Similar NamesHide

TuiteA valid IMA mineral speciesCa3(PO4)2
XuiteA valid IMA mineral speciesCa3Fe23+[(AlO3(OH)]3

IMA Classification of GuiteHide

Classification of GuiteHide

Strunz-mindat (2026):
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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
GuiIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of GuiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Dark gray
Streak:
Black
Hardness:
6 - 6½ on Mohs scale
Tenacity:
Brittle
Fracture:
Irregular/Uneven
Density:
6.003 g/cm3 (Calculated)

Optical Data of GuiteHide

Reflectivity:
WavelengthR1 (%)
400nm25.6%
420nm25.8%
440nm25.9%
460nm25.9%
470nm25.9%
480nm25.9%
500nm25.8%
520nm25.8%
540nm25.6%
546nm25.6%
560nm25.5%
580nm25.3%
589nm25.2%
600nm25.1%
620nm24.8%
640nm24.5%
650nm24.4%
660nm24.2%
680nm23.9%
700nm23.6%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 25.9%.
Colour in reflected light:
White
Internal Reflections:
none

Chemistry of GuiteHide

Mindat Formula:
Co2+Co3+2O4
Element Weights:
Element% weight
Co73.423 %
O26.577 %

Calculated from ideal end-member formula.
Co
O
Elements listed:
Co, O - search for minerals with similar chemistry

Crystallography of GuiteHide

Crystal System:
Isometric
Class (H-M):
m3m(4/m32/m) - Hexoctahedral
Space Group:
Fd3m
Setting:
Fd3m
Cell Parameters:
a = 8.0848(1) Å
Unit Cell V:
528.45 ų (Calculated from Unit Cell)
Z:
8

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.862 Å(18)
2.440 Å(100)
2.335 Å(10)
2.023 Å(25)
1.556 Å(26)
1.430 Å(38)
1.052 Å(10)
0.825 Å(9)
Locality:
Sicomines copper-cobalt project, Mutshatsha, Lualaba, DR Congo
Reference:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017, CNMNC Newsletter No 40. Mineralogical Magazine, 81 (6) 1577-1581 doi:10.1180/minmag.2017.081.096
Comments:
From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47h : [Near-surface oxidized, dehydrated minerals]

Type Occurrence of GuiteHide

Type Locality:
ⓘ Sicomines copper-cobalt project, Mutshatsha, Lualaba, DR Congo
General Appearance of Type Material:
Granular agglomerate, 50 to 500 μm in size.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Geological Museum of China, 16 Yangrou Hutong, Xisi, Beijing 100031, People’s Republic of China, catalogue number M13711.
Geological Setting of Type Material:
In the Proterozoic Roan Formation, composed of red and grey–green sandstone and mudstone, dolostone and dolomitic sandstone, and dolomitic siltstone and mudstone. Guite is thought to be a supergene cobalt oxide formed from the precipitation of a cobalt-bearing solution at weakly alkaline and oxidising conditions.
Associated Minerals at Type Locality:
HeterogeniteQuartz
Reference:
Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2017) New minerals and nomenclature modifications approved in 2017, CNMNC Newsletter No 40. Mineralogical Magazine, 81 (6) 1577-1581 doi:10.1180/minmag.2017.081.096

Synonyms of GuiteHide

Other Language Names for GuiteHide

Dutch:Guiet
German:Guit

Relationship of Guite to other SpeciesHide

Member of:
Spinel Subgroup > Oxyspinel Group > Spinel Supergroup
Other Members of Spinel Subgroup:
ChihmingiteNiAl2O4Iso. m3m(4/m32/m) : Fd3m
ChromiteFe2+Cr3+2O4Iso. m3m(4/m32/m) : Fd3m
CochromiteCoCr2O4Iso. m3m(4/m32/m) : Fd3m
CoulsoniteFe2+V3+2O4Iso. m3m(4/m32/m) : Fd3m
CuprospinelCu2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
DellagiustaiteV2+Al2O4Iso. m3m(4/m32/m) : Fd3m
Deltalumite(Al0.67◻0.33)Al2O4Tet. 42m : P4m2
FrankliniteZn2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
GahniteZnAl2O4Iso. m3m(4/m32/m) : Fd3m
GalaxiteMn2+Al2O4Iso. m3m(4/m32/m) : Fd3m
HausmanniteMn2+Mn3+2O4Tet. 4/mmm(4/m2/m2/m) : I41/amd
HercyniteFe2+Al2O4Iso. m3m(4/m32/m) : Fd3m
HetaeroliteZnMn2O4Tet. 4/mmm(4/m2/m2/m) : I41/amd
JacobsiteMn2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
'Jacobsite-Q'Mn2+(Fe3+,Mn3+)2O4Tet. 4/mmm(4/m2/m2/m) : I41/amd
Maghemite(Fe3+0.67◻0.33)Fe3+2O4Iso. 432 : P4132
MagnesiochromiteMgCr2O4Iso. m3m(4/m32/m) : Fd3m
MagnesiocoulsoniteMgV2O4Iso. m3m(4/m32/m)
MagnesioferriteMgFe3+2O4Iso. m3m(4/m32/m) : Fd3m
MagnetiteFe2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
ManganochromiteMn2+Cr2O4Iso. m3m(4/m32/m) : Fd3m
'Nichromite'(Ni,Co,Fe)(Cr,Fe,Al)2O4Iso. m3m(4/m32/m) : Fd3m
SpinelMgAl2O4Iso. m3m(4/m32/m) : Fd3m
ThermaerogeniteCuAl2O4Iso. m3m(4/m32/m) : Fd3m
Titanomaghemite(Ti4+0.5◻0.5)Fe3+2O4Iso. 432 : P4332
TrevoriteNi2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
'UM1994-06-O:AlCo'CoAl2O4
VuorelaineniteMn2+V3+2O4Iso. m3m(4/m32/m) : Fd3m
ZincochromiteZnCr2O4Iso. m3m(4/m32/m) : Fd3m

Related Minerals - Strunz-mindat GroupingHide

4.BB.ChenmingiteFeCr2O4Orth. mmm(2/m2/m2/m) : Pnma
4.BB.ThermaerogeniteCuAl2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.ChukocheniteLiAl5O8Orth. mmm(2/m2/m2/m) : Imma
4.BB.Elgoresyite(Mg5Si2)O9Mon. 2/m : B2/m
4.BB.JianmuiteZrTi4+Ti3+5Al3O16Tet. 4 : I4
4.BB.DellagiustaiteV2+Al2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.GarpenbergiteMn6◻AsSbO10(OH)2Orth. mmm(2/m2/m2/m)
4.BB.MagnéliiteTi3+2Ti4+2O7Tric. 1 : P1
4.BB.JordanówiteZr(Ti3+Zr)Ti3+4AlO16Tet. 4/m : I41/a
4.BB.05Qandilite(Mg,Fe3+)2(Ti,Fe3+,Al)O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05ChromiteFe2+Cr3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05Filipstadite(Fe3+0.5Sb5+0.5)Mn2O4Iso.
4.BB.05JacobsiteMn2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05WernerkrauseiteCa(Fe3+,Mn3+)2Mn4+O6Orth. mmm(2/m2/m2/m) : Pnma
4.BB.05HarmuniteCaFe2O4Orth. mmm(2/m2/m2/m) : Pbcm
4.BB.05ZincochromiteZnCr2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05Deltalumite(Al0.67◻0.33)Al2O4Tet. 42m : P4m2
4.BB.05FrankliniteZn2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05CochromiteCoCr2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05'Nichromite'(Ni,Co,Fe)(Cr,Fe,Al)2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05HercyniteFe2+Al2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05GahniteZnAl2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05GalaxiteMn2+Al2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05CoulsoniteFe2+V3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05VuorelaineniteMn2+V3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05SpinelMgAl2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05CuprospinelCu2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05ManganochromiteMn2+Cr2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05MagnesiocoulsoniteMgV2O4Iso. m3m(4/m32/m)
4.BB.05TrevoriteNi2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05MagnesiochromiteMgCr2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05MagnesioferriteMgFe3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05MagnetiteFe2+Fe3+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.05UlvöspinelTiFe2+2O4Iso. m3m(4/m32/m) : Fd3m
4.BB.10HausmanniteMn2+Mn3+2O4Tet. 4/mmm(4/m2/m2/m) : I41/amd
4.BB.10HetaeroliteZnMn2O4Tet. 4/mmm(4/m2/m2/m) : I41/amd
4.BB.10Manganostibite(Mn,Fe)7SbAsO12Orth. mmm(2/m2/m2/m)
4.BB.15Titanomaghemite(Ti4+0.5◻0.5)Fe3+2O4Iso. 432 : P4332
4.BB.15Maghemite(Fe3+0.67◻0.33)Fe3+2O4Iso. 432 : P4132
4.BB.20Tegengrenite(Mn3+0.5Sb5+0.5)Mg2O4Trig. 3 : R3
4.BB.25XieiteFe2+Cr2O4Orth. mmm(2/m2/m2/m)
4.BB.30CarmeltaziteZrAl2Ti4O11Orth. mmm(2/m2/m2/m) : Pnma
4.BB.35FeiiteFe2+2(Fe2+Ti4+)O5Orth. mmm(2/m2/m2/m) : Cmcm
4.BB.40MaohokiteMgFe2O4Orth. mmm(2/m2/m2/m) : Pnma
4.BB.45Tschaunerite (Fe2+)(Fe2+Ti4+)O4Orth. mmm(2/m2/m2/m) : Cmcm

Other InformationHide

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

Internet Links for GuiteHide

References for GuiteHide

Localities for GuiteHide

Showing 2 localities.

This 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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
DR Congo (TL)
 
  • Lualaba
    • Mutshatsha
Hålenius et al. (2017) +1 other reference
    • Tenke-Fungurume area
catalog-2025-01.pdf ...
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