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Hubeite

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Fengjiashan Mine (Daye Copper mine), Edong Mining District, Daye Co., Huangshi Prefecture, Hubei Province, China
© Elmar Lackner

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Formula:
Ca
 
2
Mn
2+
 
Fe
3+
 
[HSi
 
4
O
 
13
] · 2H
 
2
O
System:TriclinicColour:Dark brown to light ...
Lustre:VitreousHardness:5½
Name:Named in 2001 after the Hubei Province in China, where the type locality is located.
This page provides mineralogical data about Hubeite.

Classification of Hubeite

IMA status:Approved 2000
Strunz 8th edition ID:8/C.35-15
Nickel-Strunz 10th (pending) edition ID:9.BJ.60

9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination
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Type Occurrence of Hubeite

Type Locality:Fengjiashan Mine (Daye Copper mine), Edong Mining District, Daye Co., Huangshi Prefecture, Hubei Province, China
General Appearance of Type Material:Radiating aggregates of intergrown crystals with well-developed terminations.
Geological Setting of type material:Manganiferous skarn
Associated Minerals at type locality:
Inesite

Physical Properties of Hubeite

Lustre:Vitreous
Colour:Dark brown to light brown in thinner crystals.
Streak:Light orange-brown
Hardness (Mohs):5½
Cleavage:Distinct/Good
on (001)

Crystallography of Hubeite

Crystal System:Triclinic

Chemical Properties of Hubeite

Formula:
Ca
 
2
Mn
2+
 
Fe
3+
 
[HSi
 
4
O
 
13
] · 2H
 
2
O
Essential elements:Ca, Fe, H, Mn, O, Si
All elements listed in formula:Ca, Fe, H, Mn, O, Si

Relationship of Hubeite to other Species

Related Minerals - Nickel-Strunz Grouping):
9.BJ.05Orientite
Ca
 
2
MnMn
 
2
Si
 
3
O
 
10
(OH)
 
4
9.BJ.10Rosenhahnite
HCa
 
3
[Si
 
3
O
 
9
(OH)]
9.BJ.15Trabzonite
Ca
 
4
Si
 
3
O
 
10
·2H
 
2
O
9.BJ.20Thalénite-(Y)
Y
 
3
Si
 
3
O
 
10
(OH)
9.BJ.20Fluorthalénite-(Y)
Y
 
3
Si
 
3
O
 
10
F
9.BJ.25Tiragalloite
Mn
 
4
AsSi
 
3
O
 
12
(OH)
9.BJ.30Medaite
(Mn,Ca)
 
6
(V,As)Si
 
5
O
 
18
OH
9.BJ.35Ruizite
Ca
 
2
Mn
3+
2
[(OH)
 
2
|H
 
2
Si
 
4
O
 
13
] · 2H
 
2
O
9.BJ.40Ardennite-(As)
Mn
2+
4
[(Al,Mg)
 
6
][(OH)
 
6
|(AsO
 
4
,VO
 
4
)|(SiO
 
4
)
 
2
|Si
 
3
O
 
10
]
9.BJ.40Ardennite-(V)
Mn
2+
4
[Al
 
4
(Mg,Al,Fe
3+
 
,Mn
3+
 
)
 
2
][(OH)
 
6
|(VO
 
4
,SiO
 
4
)|(SiO
 
4
)
 
2
|Si
 
3
O
 
10
]
9.BJ.45Kilchoanite
Ca
 
3
Si
 
2
O
 
7
9.BJ.50Kornerupine
Mg
 
3
Al
 
6
(Si,Al,B)
 
5
O
 
21
(OH)
9.BJ.50Prismatine
([ ],Fe,Mg)(Mg,Al,Fe)
 
5
Al
 
4
Si
 
2
(Si,Al)
 
2
(B,Si,Al)(O,OH,F)
 
22
9.BJ.55Zunyite
Al
 
13
Si
 
5
O
 
20
(OH,F)
 
18
Cl
9.BJ.65Cassagnaite
(Ca,Mn
2+
 
)
 
4
(Fe
3+
 
,Mn
3+
 
,Al)
 
4
(V
3+
 
,Mg,Al)
 
2
[(O,OH)
 
4
|(OH)
 
4
|(SiO
 
4
)
 
2
|Si
 
3
O
 
10
]

Other Names for Hubeite

Synonyms:
IMA2000-022
German names:
Hubeit
Russian names:
Хубэйит
Spanish names:
Hubeita

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 Hubeite

Reference List:Hawthorne, F. C., M. A. Cooper, J. D. Grice, A. C. Roberts, W. R. Cook Jr., and R. J. Lauf (2002): Hubeite, a new mineral from the Daye mine, near Huangshi, Hubei Province, China. Mineralogical Record 33, 465-471.

Cooper, M. A., and F. C. Hawthorne (2004): The crystal structure of hubeite, a novel sorosilicate mineral. Canadian Mineralogist 42, 825-834.

Internet Links for Hubeite

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    Localities for Hubeite

    (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
     
    • Hubei Province
      • Huangshi Prefecture
        • Daye Co.
          • Edong Mining District
    		Hawthorne, F. C., M. A. Cooper, J. D. Grice, A. C. Roberts, W. R. Cook Jr., and R. J. Lauf (2002): Mineralogical Record 33, 465-471.
    Mineral and/or Locality
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