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Karibibite

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Oumlil Mine (incl. Oumlil East Mine), Oumlil, Bou Azer District (Bou Azzer District), Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco
© Christian Rewitzer

Show Karibibite Photos (80)



Formula:
Fe
 
2
As
 
4
O
 
9
System:Orthorhombic
Name:
Named for the type locality.
This page provides mineralogical data about Karibibite.

Classification of Karibibite

IMA status:Approved
Strunz 8th edition ID:4/J.08-10
Nickel-Strunz 10th (pending) edition ID:4.JA.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
A : Arsenites, antimonites, bismuthites; without additional anions, without H2O
Dana 8th edition ID:7.10.2.1

7 : MULTIPLE OXIDES
10 : AB4X9
Hey's CIM Ref.:23.18

23 : Arsenites
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Type Occurrence of Karibibite

Type Locality:Karibib District, Erongo Region, Namibia
Year of Discovery:1973

Crystallography of Karibibite

Crystal System:Orthorhombic
Cell Parameters:a = 27.91Å, b = 6.53Å, c = 7.2Å
Ratio:a:b:c = 4.274 : 1 : 1.103
Unit Cell Volume:V 1,312.22 ų (Calculated from Unit Cell)

Optical Data of Karibibite

Type:Biaxial (-)
RI values: nα = 1.960 nβ = 2.100 nγ = 2.100
Maximum Birefringence:δ = 0.140

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

Chemical Properties of Karibibite

Formula:
Fe
 
2
As
 
4
O
 
9
Essential elements:As, Fe, O
All elements listed in formula:As, Fe, O

Relationship of Karibibite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JA.05Leiteite
Zn(As
 
2
O
 
4
)
4.JA.10Reinerite
Zn
 
3
(AsO
 
3
)
 
2
4.JA.20Kusachiite
CuBi
 
2
O
 
4
4.JA.20Schafarzikite
Fe
2+
 
Sb
3+
2
O
 
4
4.JA.20Trippkeite
Cu[As
 
2
O
 
4
]
4.JA.25Apuanite
Fe
2+
 
Fe
3+
4
Sb
3+
4
O
 
12
S
4.JA.30Versiliaite
Fe
 
2
Fe
 
4
Sb
 
6
O
 
16
S
4.JA.35Schneiderhöhnite
Fe
2+
 
Fe
3+
3
[As
 
5
O
 
13
]
4.JA.40Zimbabweite
(Na,K)
 
2
PbAs
 
4
(Ta,Nb,Ti)
 
4
O
 
18
4.JA.45Ludlockite
PbFe
3+
4
As
3+
10
O
 
22
4.JA.50Paulmooreite
Pb
 
2
[As
 
2
O
 
5
]
4.JA.55Stibivanite
Sb
 
2
VO
 
5
4.JA.60Chadwickite
(UO
 
2
)[HAsO
 
3
]
Related Minerals - Hey's Index Grouping:

- +
23.2Nanlingite
NaMg
 
4
(AsO
 
3
)
 
2
F
 
4
23.3Leiteite
Zn(As
 
2
O
 
4
)
23.5Kuznetsovite
(Hg
+
2
)Hg
2+
 
(AsO
 
4
)Cl
23.6Paulmooreite
Pb
 
2
[As
 
2
O
 
5
]
23.7Ecdemite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
23.8Heliophyllite
Pb
 
6
Cl
 
4
(As
 
2
O
 
7
)
23.9Finnemanite
Pb
 
5
(AsO
 
3
)
 
3
Cl
23.10Gebhardite
Pb
 
8
(As
 
2
O
 
5
)
 
2
OCl
 
6
23.11Zimbabweite
(Na,K)
 
2
PbAs
 
4
(Ta,Nb,Ti)
 
4
O
 
18
23.13Rouseite
Pb
 
2
Mn
2+
 
[AsO
 
3
]
 
2
 · 2H
 
2
O
23.14Freedite
Cu
+
 
Pb
 
8
(AsO
 
3
)
 
2
O
 
3
Cl
 
5
23.15Manganarsite
Mn
 
3
(As
 
2
O
 
4
)(OH)
 
4
23.17Armangite
Mn
2+
26
(AsO
 
3
)
 
14
(HAsO
 
3
)
 
4
(CO
 
3
)
23.19Schneiderhöhnite
Fe
2+
 
Fe
3+
3
[As
 
5
O
 
13
]
23.20Lazarenkoite
(Ca,Fe)FeAs
 
3
O
 
7
 · 3H
 
2
O
23.21Stenhuggarite
CaFeSb(AsO
 
3
)
 
2
O
23.22Tomichite
(V,Fe)
 
4
Ti
 
3
AsO
 
13
(OH)

Other Names for Karibibite

Synonyms:
IMA1973-007
Other Languages:
German:Karibibit
Spanish:Karibibita

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 Karibibite

Reference List:

- +
American Mineralogist (1974): 59: 382.

Internet Links for Karibibite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Karibibite details from Handbook of Mineralogy (PDF)
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    • Specimens:The following Karibibite specimens are currently listed for sale on minfind.com.
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    • Localities for Karibibite

    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.
    Brazil
     
    • Minas Gerais
      • Doce valley
        • Divino das Laranjeiras
    		Physics Dep. - UFMG - Brazil
        • Galiléia
    		No reference listed
    Chile
     
    • Atacama Region
      • Copiapó Province
        • Tierra Amarilla
          • Pampa Larga district
    		Arturo Molina collection (Jochen Schlüter ID)
    France
     
    • Limousin
      • Haute-Vienne
        • Nantiat
          • Vaulry
    		Queneau Patrice collection
    Japan
     
    • Kyushu Region
      • Oita prefecture
        • Saeki city
    		Minato et al (1973) Koubutsu-Gakkai-Kou'en-Youshi, 6.
    Kazakhstan
     
    • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    		Voloshin A.V., Pakhomovsky Ya.A., Bakhchisaraitsev A.Yu. (1989) On karibibite and schneiderhohnite from pegmatites of Eastern Kazakhstan, - Novye Dannye o Mineralakh, Moscow, Nauka, 36, pp.129-135 (in Rus.)
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azer District (Bou Azzer District)
            • Aït Ahmane
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Khder
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Méchoui
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Oumlil
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Tamdrost
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Namibia
     
    • Erongo Region
    		Lithos (1973) 6, 265-272
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the 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 hundreds 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.
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