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Xitieshanite

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Formula:
Fe
3+
 
(SO
 
4
)Cl · 6H
 
2
O
System:MonoclinicColour:Bright green, yellowish ...
Hardness:2½
Name:Named after its discovery locality, the Xitieshan Pb-Zn deposit, Qinghai Province, China.


Fibroferrite Group

Classification of Xitieshanite

IMA status:Approved
Strunz 8th edition ID:6/D.01-70
Nickel-Strunz 10th (pending) edition ID:7.DC.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
C : With only medium-sized cations; chains of edge-sharing octahedra
Dana 8th edition ID:31.9.6.3

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
Hey's CIM Ref.:26.28

26 : Sulphates with Halide
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Type Occurrence of Xitieshanite

Type Locality:Xitieshan Pb-Zn deposit, Da Qaidam (Dachaidan) Co., Haixi Autonomous Prefecture, Qinghai (Chinghai) Province, China
Year of Discovery:1983

Physical Properties of Xitieshanite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:Bright green, yellowish tint
Streak:Yellow
Hardness (Mohs):2½

Crystallography of Xitieshanite

Crystal System:Monoclinic
Cell Parameters:a = 14.1Å, b = 6.9Å, c = 10.67Å
β = 111.26°
Ratio:a:b:c = 2.043 : 1 : 1.546
Unit Cell Volume:V 967.44 ų (Calculated from Unit Cell)

Optical Data of Xitieshanite

Type:Biaxial (-)
RI values: nα = 1.536 nβ = 1.570 nγ = 1.628
2V:Measured: 77° , Calculated: 78°
Maximum Birefringence:δ = 0.092

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

Chemical Properties of Xitieshanite

Formula:
Fe
3+
 
(SO
 
4
)Cl · 6H
 
2
O
Essential elements:Cl, Fe, H, O, S
All elements listed in formula:Cl, Fe, H, O, S

Relationship of Xitieshanite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DC.05Aluminite
Al
 
2
(SO
 
4
)(OH)
 
4
 · 7H
 
2
O
7.DC.05Meta-aluminite
Al
 
2
(SO
 
4
)(OH)
 
4
 · 5H
 
2
O
7.DC.10Butlerite
Fe
3+
 
(SO
 
4
)(OH) · 2H
 
2
O
7.DC.10Parabutlerite
Fe
3+
 
(SO
 
4
)(OH) · 2H
 
2
O
7.DC.15Fibroferrite
Fe
3+
 
(SO
 
4
)(OH) · 5H
 
2
O
7.DC.25Botryogen
MgFe
3+
 
(SO
 
4
)
 
2
(OH) · 7H
 
2
O
7.DC.25Zincobotryogen
(Zn,Mg,Mn
2+
 
)Fe
3+
 
(SO
 
4
)
 
2
(OH) · 7H
 
2
O
7.DC.30Chaidamuite
ZnFe
3+
 
(SO
 
4
)
 
2
(OH) · 4H
 
2
O
7.DC.30Guildite
CuFe
3+
 
(SO
 
4
)
 
2
(OH) · 4H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
26.1Kogarkoite
Na
 
3
(SO
 
4
)F
26.2Sulphohalite
Na
 
6
(SO
 
4
)
 
2
FCl
26.3Schairerite
Na
 
3
(SO
 
4
)(F,Cl)
26.4Galeite
Na
 
15
(SO
 
4
)
 
5
F
 
4
Cl
26.5Connellite
Cu
 
19
(SO
 
4
)(OH)
 
32
Cl
 
4
 · 3H
 
2
O
26.6Chlorothionite
K
 
2
Cu(SO
 
4
)Cl
 
2
26.7Kamchatkite
KCu
 
3
(SO
 
4
)
 
2
OCl
26.8Spangolite
Cu
 
6
Al(SO
 
4
)(OH)
 
12
Cl · 3H
 
2
O
26.9Aubertite
CuAl(SO
 
4
)
 
2
Cl · 14H
 
2
O
26.10Magnesioaubertite
(Mg,Cu)Al(SO
 
4
)
 
2
Cl · 14H
 
2
O
26.11Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)(SO
 
4
)
 
2
F · 14H
 
2
O
26.12D'Ansite
Na
 
21
Mg(SO
 
4
)
 
10
Cl
 
3
26.13Anhydrokainite
KMg(SO
 
4
)Cl
26.14Kainite
KMg(SO
 
4
)Cl · 3H
 
2
O
26.15Mosesite
(Hg
 
2
N)(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
26.16Kleinite
(Hg
 
2
N)(Cl,SO
 
4
) · nH
 
2
O
26.17Wilcoxite
MgAl(SO
 
4
)
 
2
F · 18H
 
2
O
26.18Creedite
Ca
 
3
SO
 
4
Al
 
2
F
 
8
(OH)
 
2
 · 2H
 
2
O
26.19Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
 · 32H
 
2
O
26.20Chukhrovite-(Y)
Ca
 
3
(Y,Ce)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.21Chukhrovite-(Ce)
Ca
 
3
(Ce,Y)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.22Grandreefite
Pb
 
2
(SO
 
4
)F
 
2
26.23Pseudograndreefite
Pb
 
6
(SO
 
4
)F
 
10
26.24Sundiusite
Pb
 
10
(SO
 
4
)O
 
8
Cl
 
2
26.25Caracolite
Na
 
3
Pb
 
2
(SO
 
4
)
 
3
Cl
26.26Mammothite
Pb
 
6
Cu
 
4
AlSb(SO
 
4
)
 
2
(OH)
 
18
Cl
 
4
26.27Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
(SO
 
4
)
 
5
O
 
3
Cl
26.29Nabokoite
KCu
 
7
(SO
 
4
)
 
5
(Te
4+
 
O
 
3
)OCl

Other Names for Xitieshanite

Other Languages:
German:Xitieshanit
Spanish:Xitieshanita

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 Xitieshanite

Reference List:

- +
Li Xilin, Zhou Jingliang, and Li Jiaju (1982): Xitieshanite - A new ferric sulfate mineral. Acta Mineralogica Sinica 2(4), 241-247 (in Chinese with English abstract). - American Mineralogist (1984), 69, 1194 (abstract).

Geochemistry China (1983), 2, 261-267.

Zhou Jingliang, Li Jiaju, and Dong Wei (1988): The crystal structure of xitieshanite. Chinese Science Bulletin [Kexue Tongbao] 33, 502-5. - American Mineralogist (1989), 74, 1404 (abstract).

Internet Links for Xitieshanite

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Xitieshanite details from Handbook of Mineralogy (PDF)
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    • Localities for Xitieshanite

    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
     
    • Qinghai (Chinghai) Province
      • Haixi Autonomous Prefecture
        • Da Qaidam (Dachaidan) Co.
    		Li Xilin, Zhou Jingliang, and Li Jiaju (1982): Acta Mineralogica Sinica 2(4), 241-247.
    USA
     
    • Indiana
      • Vigo Co.
    		Melchiorre, E., Mills, Jr., J., Dale, D., and Chapman, B. (2005): American Mineralogist 90(10), 1518-1521
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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. Current server date and time: 19th Jun 2011 01:56:41
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