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Guite

Collectors Summary

Color dunkelgrau
Streak color schwarz
Lustre Metallglanz
Hardness (Mohs) 6–6.5
Crystal System kubisch, Fd3m

Chemism

Chemical formula

Co2+Co3+2O4

Empirical formula (analysis)

(Co2+0.92Cu2+0.02Si4+0.02)Σ0.96(Co3+1.98Mn3+0.03)Σ2.01O4.00

Chemical composition

Kobalt, Sauerstoff

Unit weight: 238.384780707 u; Number of atoms in the formula: 6.97

Info

Empirical formula:

(Co0.92Cu0.02Si0.02)(Co1.98Mn0.03)O4.00

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

26.85

4

57.39

15.9994300

63.9977200
Silicon

Si

0.24

0.02

0.29

28.0855300

0.5617106
Manganese

Mn

0.69

0.03

0.43

54.9380499

1.6481415
Cobalt

Co

71.69

2.9

41.61

58.9332009

170.9062826
Copper

Cu

0.53

0.02

0.29

63.5463000

1.2709260

Strunz 9th edition incl. updates

4.BB.5

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
B: Metall: Sauerstoff = 3:4 und vergleichbare
B: Mit ausschließlich mittelgroßen [Kationen]
5:

IMA status

anerkannt CNMNC Newsletter 40, November 2017

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Spinel supergroup  ⇒ Oxyspinel group  ⇒ Spinel subgroup

Optical Properties

Color

dunkelgrau

Streak color

schwarz

Diaphaneity (Transparency)

undurchsichtig

Lustre

Metallglanz

Crystallography

Crystal System

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell parameters a (Å)

8.0898(1)

Cell parameters b (Å)

-

Cell parameters c (Å)

-

Cell parameters a/b or c/a

1

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

529.436

Crystal structure

Spinell-Supergruppe

X-Ray Powder Diffraction

2.862(18),
2.440(100),
2.335(10),
2.023(25),
1.556(26),
1.430(38),
1.052(10),
0.825(9)
XRD chart Guite

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

Physical Properties

Hardness (Mohs)

6–6.5

Density (g/cm³)

6.003 ber.

5.981 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Demokratische Republik Kongo/Katanga (Shaba), Provinz/Lualaba, Distrikt/Kolwezi, Revier/Sicomines Kupfer-Kobalt Mine

Type material

Typisches Material ist in den mineralogischen Sammlungen des GeologicalMuseumof China, 16 Yangrou Hutong, Xisi, Beijing 100031, Volksrepublik China, Katalognummer M13711 hinterlegt.

Preface

Name from

Prof. Xiangping Gu (1964–) von der Central South University, Changsha, Provinz Hunan, China.

Author (Name, Year)

Zhilan Lei; Xinghai Chen; Jianxiong Wang; Yingchun Huang; Fangfang Du; Zier Yan (2022)

References

Lei, Z., Chen, X., Wang, J., Zhang, J., Huang, Y., Lu, Z. und Du, F. (2017) Guite, IMA 2017-080. CNMNC Newsletter Nr. 40, Dezember 2017, Seite 1581; Mineralogical Record, 81, 1577-1581.

Zhilan Lei; Xinghai Chen; Jianxiong Wang; Yingchun Huang; Fangfang Du; Zier Yan: Guite, the spinel-structured Co2+Co3+2O4, a new mineral from the Sicomines copper–cobalt mine, Democratic Republic of Congo. Mineralogical Magazine Vol.86, Nr. 2 (2022) S. 346-353. doi: 10.1180/mgm.2022.27

IMA group assignments

 
Spinel supergroup
 
 
 

 
 
Oxyspinel group
 
 
 

 
 
 
Spinel subgroup
 
 
 

 
 
 
 
Chromite
Fe2+Cr2O4
kubisch
Fd3m

 
 
 
 
Cochromite
(Co,Ni,Fe2+)(Cr,Al)2O4
kubisch
Fd3m

 
 
 
 
Coulsonite
Fe2+V23+O4
kubisch
Fd3m

 
 
 
 
Cuprospinel
(Cu,Mg)Fe23+O4
kubisch
Fd3m

 
 
 
 
Dellagiustaite
V2+Al2O4
kubisch
Fd3m

 
 
 
 
Deltalumite
Al2O3
tetragonal
P4m2

 
 
 
 
Franklinite
(Zn,Mn2+,Fe2+)(Fe3+,Mn3+)2O4
kubisch
Fd3m

 
 
 
 
Gahnite
ZnAl2O4
kubisch
Fd3m

 
 
 
 
Galaxite
(Mn,Fe2+,Mg)(Al,Fe3+)2O4
kubisch
Fd3m

 
 
 
 
Guite
Co2+Co3+2O4
kubisch
Fd3m

 
 
 
 
Hausmannite
Mn2+Mn23+O4
tetragonal
I41/amd

 
 
 
 
Hercynite
Fe2+Al2O4
kubisch
Fd3m

 
 
 
 
Hetaerolite
ZnMn23+O4
tetragonal
I41/amd

 
 
 
 
Jacobsite
(Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4
kubisch
Fd3m

 
 
 
 
Maghemite
Fe2.67O4
kubisch
P4132, P4332

 
 
 
 
Magnesiochromite
MgCr2O4
kubisch
Fd3m

 
 
 
 
Magnesiocoulsonite
MgV23+O4
kubisch
Fd3m

 
 
 
 
Magnesioferrite
MgFe23+O4
kubisch
Fd3m

 
 
 
 
Magnetite
Fe2+Fe23+O4
kubisch
Fd3m

 
 
 
 
Manganochromite
(Mn,Fe2+)(Cr,V)2O4
kubisch
Fd3m

 
 
 
 
Spinel
MgAl2O4
kubisch
Fd3m

 
 
 
 
Thermaerogenite
CuAl2O4
kubisch
Fd3m

 
 
 
 
Titanomaghemite ?
Fe3+(Fe3+,Ti4+,Fe2+,☐)2O4
kubisch
P4332, P4132

 
 
 
 
Trevorite
NiFe23+O4
kubisch
Fd3m

 
 
 
 
Vuorelainenite
(Mn2+,Fe2+)(V3+,Cr3+)2O4
kubisch
Fd3m

 
 
 
 
Zincochromite
ZnCr2O4
kubisch
Fd3m

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Actuality: 05. Oct 2024 - 06:40:32

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Guite

CNMNC (IMA)-Number

IMA 2017-080

CNMNC symbol

Symbol

Gui

Locations with GPS information

IDs

GUSID (Global unique identifier short form) -IGEkVVci06WOlUP98WJSQ
GUID (Global unique identifier) 918481F8-5C55-4E8B-963A-550FF7C58949
Database ID 8454