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Kusachiite

Formula:
CuBi
 
2
O
 
4
System:TetragonalColour:Black
Lustre:MetallicHardness:4½
This page provides mineralogical data about Kusachiite.

Classification of Kusachiite

IMA status:Approved
Strunz 8th edition ID:4/B.06-15
Nickel-Strunz 10th (pending) edition ID:4.JA.20

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:7.2.6.1

7 : MULTIPLE OXIDES
2 : AB2X4
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Type Occurrence of Kusachiite

Type Locality:Fuka mine, Bitchu-cho (Bicchu-cho), Takahashi, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Year of Discovery:1995

Physical Properties of Kusachiite

Lustre:Metallic
Colour:Black
Streak:Black
Hardness (Mohs):4½

Crystallography of Kusachiite

Crystal System:Tetragonal
Cell Parameters:a = 8.51Å, c = 5.82Å
Ratio:a:c = 1 : 0.684
Unit Cell Volume:V 421.48 ų (Calculated from Unit Cell)

Chemical Properties of Kusachiite

Formula:
CuBi
 
2
O
 
4
Essential elements:Bi, Cu, O
All elements listed in formula:Bi, Cu, O

Relationship of Kusachiite 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.15Karibibite
Fe
 
2
As
 
4
O
 
9
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
]

Other Names for Kusachiite

Synonyms:
IMA1992-024
Other Languages:
German:Kusachiit
Japanese:草地鉱
Spanish:Kusachiita

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 Kusachiite

Reference List:Mineralogical Magazine (1995): 59: 545-548.

Mineralogical Record: 27: 303.

Internet Links for Kusachiite

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    Localities for Kusachiite

    (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.
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi
            • Bitchu-cho (Bicchu-cho)
    		Mineralogical Magazine (1995): 59: 545-548; Mineralogical Record: 27: 303.
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