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Jianshuiite

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Luzhai (Lu village) Mn deposit, Jianshui Co., Honghe Autonomous Prefecture, Yunnan Province, China
© 2008, JGW




Formula:
(Mg,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
System:TriclinicColour:Brown to brownish-black.
Hardness:1½ - 2
Member of:Chalcophanite Group
This page provides mineralogical data about Jianshuiite.

Classification of Jianshuiite

IMA status:Approved
Strunz 8th edition ID:4/F.11-05
Nickel-Strunz 10th (pending) edition ID:4.FL.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
Dana 8th edition ID:7.8.2.3

7 : MULTIPLE OXIDES
8 : AB3X7
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Type Occurrence of Jianshuiite

Type Locality:Luzhai (Lu village) Mn deposit, Jianshui Co., Honghe Autonomous Prefecture, Yunnan Province, China
Year of Discovery:1992

Physical Properties of Jianshuiite

Colour:Brown to brownish-black.
Hardness (Mohs):1½ - 2

Crystallography of Jianshuiite

Crystal System:Triclinic
Cell Parameters:a = 7.53Å, b = 7.52Å, c = 8.2Å
α = 89.75°, β = 117.37°, γ = 120°
Ratio:a:b:c = 1.001 : 1 : 1.09
Unit Cell Volume:V 341.41 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
6.965 (100)
5.539 (3)
4.086 (8)
3.483 (11)
2.449 (7)
2.396 (6)
2.230 (23)
(
Comments:Nearly indistinguishable from chalcophanite and
aurorite.

Chemical Properties of Jianshuiite

Formula:
(Mg,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
Essential elements:H, Mg, Mn, O
All elements listed in formula:H, Mg, Mn, O
Common Impurities:Ca

Relationship of Jianshuiite to other Species

Member of:Chalcophanite Group
Other Members of Group:

- +
Aurorite
(Mn
2+
 
,Ag,Ca)Mn
4+
3
O
 
7
 · 3H
 
2
O
Chalcophanite
(Zn,Fe,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
4.FL.05Woodallite
Mg
 
6
Cr
 
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
4.FL.05Iowaite
Mg
 
6
Fe
3+
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
4.FL.05Jamborite
(Ni
2+
 
,Ni
3+
 
,Co,Fe)(OH)
 
2
(OH,S,H
 
2
O)
4.FL.05Meixnerite
Mg
 
6
Al
 
2
(OH)
 
18
 · 4H
 
2
O
4.FL.05Muskoxite
Mg
 
7
Fe
 
4
O
 
13
 · 10H
 
2
O
4.FL.05Fougèrite
(Fe
2+
 
,Mg)
 
6
Fe
3+
2
(OH)
 
18
 · 4H
 
2
O
4.FL.10Hydrocalumite
Ca
 
2
Al(OH)
 
7
 · 2H
 
2
O
4.FL.15Kuzelite
Ca
 
4
Al
 
2.4
(OH)
 
12.8
(SO
 
4
) · 6H
 
2
O
4.FL.20Aurorite
(Mn
2+
 
,Ag,Ca)Mn
4+
3
O
 
7
 · 3H
 
2
O
4.FL.20Chalcophanite
(Zn,Fe,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
4.FL.20Ernienickelite
NiMn
 
3
O
 
7
 · 3H
 
2
O
4.FL.25Woodruffite
Zn(Mn
4+
 
,Mn
3+
 
)
 
5
O
 
10
·3½H
 
2
O
4.FL.30Asbolane
(Ni,Co)
 
2-x
Mn
4+
 
(O,OH)
 
4
 · nH
 
2
O
4.FL.35Buserite
Na
 
4
Mn
 
14
O
 
27
 · 21H
 
2
O
4.FL.40Ranciéite
(Ca,Mn)Mn
 
4
O
 
9
 · 3H
 
2
O
4.FL.40Takanelite
(Mn,Ca)Mn
 
4
O
 
9
 · H
 
2
O
4.FL.45Birnessite
(Na,Ca)
 
0.5
(Mn
4+
 
,Mn
3+
 
)
 
2
O
 
4
 · 1.5H
 
2
O
4.FL.55Cianciulliite
Mn(Mg,Mn)
 
2
Zn
 
2
(OH)
 
10
 · 2-4H
 
2
O
4.FL.60Jensenite
Cu
 
3
[TeO
 
6
] · 2H
 
2
O
4.FL.65Leisingite
Cu(Mg,Cu,Fe,Zn)
 
2
[TeO
 
6
] · 6H
 
2
O
4.FL.70Akdalaite
4Al
 
2
O
 
3
 · H
 
2
O
4.FL.75Cafetite
(Ca,Mg)(Fe,Al)
 
2
Ti
 
4
O
 
12
 · 4H
 
2
O
4.FL.80Mourite
UMo
 
5
O
 
12
(OH)
 
10
4.FL.85Deloryite
Cu
 
4
(UO
 
2
)(MoO
 
4
)
 
2
(OH)
 
6

Other Names for Jianshuiite

Synonyms:
IMA1990-019
Other Languages:
German:Jianshuiit
Spanish:Jianshuiita

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 Jianshuiite

Reference List:

- +
Yan Guiyin, Zhang Shanghua, Zhao Mingkai, Ding Jianping, and Li Deyu (1992): Jianshuiite - A new magnesic mineral of chalcophanite group. Acta Mineralogica Sinica 12(1), 69-77 (in Chinese with English abstract). - New Minerals 1990-1994, 88 (abstract).

American Mineralogist (1994), 79, 185-189.

Internet Links for Jianshuiite

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    • Localities for Jianshuiite

    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.
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    (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
     
    • Yunnan Province
      • Honghe Autonomous Prefecture
        • Jianshui Co.
    		Yan Guiyin, Zhang Shanghua, Zhao Mingkai, Ding Jianping, and Li Deyu (1992): Acta Mineralogica Sinica 12(1), 69-77.
    Spain
     
    • Aragón
      • Teruel
        • Ojos Negros
    		Calvo, M. (2008). Minerales de Aragón. Prames, Zaragoza. 463 pags.
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