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Chiluite

Formula:
Bi
 
6
Mo
 
2
Te
 
2
O
 
21
System:HexagonalHardness:3
This page provides mineralogical data about Chiluite.

Classification of Chiluite

IMA status:Approved
Strunz 8th edition ID:4/D.25-70
Nickel-Strunz 10th (pending) edition ID:7.BD.55

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
D : With only large cations
Dana 8th edition ID:7.11.13.1

7 : MULTIPLE OXIDES
11 : Miscellaneous
Hey's CIM Ref.:7.17.4

7 : Oxides and Hydroxides
17 : Oxides of Se and Te
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Type Occurrence of Chiluite

Type Locality:Chilu Mo deposit, Fu'an Co., Ningde Prefecture, Fujian Province, China
Year of Discovery:1989

Physical Properties of Chiluite

Hardness (Mohs):3

Crystallography of Chiluite

Crystal System:Hexagonal
Cell Parameters:a = 8.97Å, c = 12.2Å
Ratio:a:c = 1 : 1.36
Unit Cell Volume:V 850.11 ų (Calculated from Unit Cell)

Optical Data of Chiluite

Type:Uniaxial (-)
RI values: nω = 2.400 nε = 2.300
Maximum Birefringence:δ = 0.100

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

Chemical Properties of Chiluite

Formula:
Bi
 
6
Mo
 
2
Te
 
2
O
 
21
Essential elements:Bi, Mo, O, Te
All elements listed in formula:Bi, Mo, O, Te

Relationship of Chiluite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.BD.05Sulphohalite
Na
 
6
[F|Cl|(SO
 
4
)
 
2
]
7.BD.05Sulfohalite
7.BD.10Galeite
Na
 
15
[F
 
4
|Cl|(SO
 
4
)
 
5
]
7.BD.10Schairerite
Na
 
3
[(F,Cl)|SO
 
4
]
7.BD.15Kogarkoite
Na
 
3
[F|SO
 
4
]
7.BD.20Caracolite
Na
 
3
Pb
 
2
[Cl|(SO
 
4
)
 
3
]
7.BD.20Cesanite
Na
 
3
Ca
 
2
[OH|(SO
 
4
)
 
3
]
7.BD.25Burkeite
Na
 
6
CO
 
3
(SO
 
4
)
 
2
7.BD.30Hanksite
Na
 
22
K(SO
 
4
)
 
9
(CO
 
3
)
 
2
Cl
7.BD.35Cannonite
Bi
 
2
[O|(OH)
 
2
|SO
 
4
]
7.BD.40Lanarkite
Pb
 
2
[O|SO
 
4
]
7.BD.45Grandreefite
Pb
 
2
SO
 
4
F
 
2
7.BD.50Itoite
Pb
 
3
Ge
4+
 
[O|OH|SO
 
4
]
 
2
7.BD.60Hectorfloresite
Na
 
9
[IO
 
3
|(SO
 
4
)
 
4
]
7.BD.65Pseudograndreefite
Pb
 
6
SO
 
4
F
 
10
7.BD.70Sundiusite
Pb
 
10
[O
 
8
|SO
 
4
|Cl
 
2
]
Related Minerals - Hey's Index Grouping:

- +
7.17.1Downeyite
SeO
 
2
7.17.2Tellurite
TeO
 
2
7.17.3Paratellurite
TeO
 
2

Other Names for Chiluite

Synonyms:
IMA1988-001
Other Languages:
German:Chiluit
Spanish:Chiluita

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 Chiluite

Reference List:Yang Xiuzhen, Li Deren, Wang Guanxin, Deng Mengxiang, Chen Nansheng, and Wang Shuzhen (1989): A study of chiluite - A new mineral found in Chilu, Fujian, China. Acta Mineralogica Sinica 9(1), 9-14 (in Chinese with English abstract). - American Mineralogist (1990), 76, 666 (abstract).

Internet Links for Chiluite

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  • Chiluite details from Handbook of Mineralogy (PDF)
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    Localities for Chiluite

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    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.
    China
     
    • Fujian Province
      • Ningde Prefecture
        • Fu'an Co.
    		Yang Xiuzhen, Li Deren, Wang Guanxin, Deng Mengxiang, Chen Nansheng, and Wang Shuzhen (1989): Acta Mineralogica Sinica 9(1), 9-14
    Mineral and/or Locality
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