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Xitieshanite

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About XitieshaniteHide

Formula:
Fe3+(SO4)Cl · 6H2O
Colour:
Bright green, yellowish tint
Lustre:
Vitreous
Hardness:
Specific Gravity:
1.99
Crystal System:
Monoclinic
Name:
Named after its discovery locality, the Xitieshan Pb-Zn deposit, Qinghai Province, China.
This page provides mineralogical data about Xitieshanite.


Classification of XitieshaniteHide

Approved
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
31.9.6.3

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
26.28

26 : Sulphates with Halide

Physical Properties of XitieshaniteHide

Vitreous
Transparency:
Translucent
Colour:
Bright green, yellowish tint
Streak:
Yellow
Hardness:
2½ on Mohs scale
Hardness:
VHN100=62.6 - Vickers
Cleavage:
Imperfect/Fair
Fracture:
Irregular/Uneven, Conchoidal
Density:
1.99 g/cm3 (Measured)    2.02 g/cm3 (Calculated)

Optical Data of XitieshaniteHide

Type:
Biaxial (+)
RI values:
nα = 1.536 nβ = 1.570 nγ = 1.628
2V:
Measured: 77° , Calculated: 78°
Max Birefringence:
δ = 0.092
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r < v strong
Pleochroism:
Strong
Comments:
Ng=light yellow with greenishtint, Nm=pale yellow, Np=colourless to pale yellow tint.

Chemical Properties of XitieshaniteHide

Formula:
Fe3+(SO4)Cl · 6H2O

Crystallography of XitieshaniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 14.102 Å, b = 6.908 Å, c = 10.673 Å
β = 111.26°
Ratio:
a:b:c = 2.041 : 1 : 1.545
Unit Cell V:
968.97 ų (Calculated from Unit Cell)
Z:
4

Occurrences of XitieshaniteHide

Paragenetic Mode(s):
•  Oxidation

Type Occurrence of XitieshaniteHide

Other Language Names for XitieshaniteHide

Relationship of Xitieshanite to other SpeciesHide

Other Members of this group:
FibroferriteFe3+(SO4)(OH) · 5H2OMon.

Related Minerals - Nickel-Strunz GroupingHide

7.DC.05AluminiteAl2(SO4)(OH)4 · 7H2OMon. 2/m : P21/b
7.DC.05Meta-aluminiteAl2(SO4)(OH)4 · 5H2O
7.DC.10ButleriteFe3+(SO4)(OH) · 2H2OMon. 2/m : P21/m
7.DC.10ParabutleriteFe3+(SO4)(OH) · 2H2OOrth. mmm (2/m 2/m 2/m)
7.DC.15FibroferriteFe3+(SO4)(OH) · 5H2OMon.
7.DC.25BotryogenMgFe3+(SO4)2(OH) · 7H2OMon. 2/m
7.DC.25Zincobotryogen(Zn,Mg,Mn2+)Fe3+(SO4)2(OH) · 7H2OMon. 2/m
7.DC.30ChaidamuiteZnFe3+(SO4)2(OH) · 4H2OTric. 1 : P1
7.DC.30GuilditeCuFe3+(SO4)2(OH) · 4H2OMon. 2/m : P21/m

Related Minerals - Dana Grouping (8th Ed.)Hide

31.9.6.1BotryogenMgFe3+(SO4)2(OH) · 7H2OMon. 2/m
31.9.6.2Zincobotryogen(Zn,Mg,Mn2+)Fe3+(SO4)2(OH) · 7H2OMon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

26.1KogarkoiteNa3(SO4)FMon.
26.2SulphohaliteNa6(SO4)2FClIso. m3m (4/m 3 2/m)
26.3SchaireriteNa21(SO4)7ClF6Trig. 3m (3 2/m)
26.4GaleiteNa15(SO4)5F4ClTrig.
26.5ConnelliteCu19(SO4)(OH)32Cl4 · 3H2OHex. 6 m2 : P62c
26.6ChlorothioniteK2Cu(SO4)Cl2Orth. mmm (2/m 2/m 2/m) : Pnma
26.7KamchatkiteKCu3(SO4)2OClOrth. mmm (2/m 2/m 2/m) : Pnma
26.8SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
26.9AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
26.10Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
26.11Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2OTric.
26.12D'AnsiteNa21Mg(SO4)10Cl3Iso.
26.13AnhydrokainiteKMg(SO4)Cl
26.14KainiteKMg(SO4)Cl · 3H2OMon. 2/m : B2/m
26.15Mosesite(Hg2N)(Cl,SO4,MoO4) · H2OIso.
26.16Kleinite(Hg2N)(Cl,SO4) · nH2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
26.17WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
26.18CreediteCa3SO4Al2F8(OH)2 · 2H2OMon. 2/m : B2/b
26.19LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O Tet. 4/m : I4/m
26.20Chukhrovite-(Y)Ca3(Y,Ce)(AlF6)2(SO4)F · 10H2OIso.
26.21Chukhrovite-(Ce)Ca3(Ce,Y)(AlF6)2(SO4)F · 10H2OIso.
26.22GrandreefitePb2(SO4)F2Mon. 2/m
26.23PseudograndreefitePb6(SO4)F10Orth. 2 2 2 : F2 2 2
26.24SundiusitePb10(SO4)O8Cl2Mon.
26.25CaracoliteNa3Pb2(SO4)3ClMon.
26.26MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
26.27AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
26.29NabokoiteKCu7(SO4)5(Te4+O3)OClTet.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for XitieshaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 XitieshaniteHide

Localities for XitieshaniteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Bulgaria
 
  • Montana Province
    • Chiprovtsi Obshtina
Младенова, В., Димитрова, Д., & Шмид, Р. Т. (2007) Efflorescent minerals formed during intensive weathering of phyllites, Chiprovtsi ore district, Northwestern Bulgaria Ефлоресцентни минерали, образувани при интензивно изветряне на филитите, Чипровски руден район, Северозападна България. GEOSCIENCES 2007 pp 63-64
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Mejillones
        • Mejillones peninsula
XRD by Joachim Lorenz, Wet Chemical by Gerhard Möhn
China (TL)
 
  • Qinghai
    • Haixi Mongol and Tibetan Autonomous Prefecture
      • Da Qaidam (Dachaidan Co.)
        • Xitieshan
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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