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Zircosulfate

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Korgeredaba alkaline Massif, Sangilen Upland, Tuva Republic, Eastern-Siberian Region, Russia
© 2008, J. Weissman

Formula:
(Zr,Ti)(SO
 
4
)
 
2
·4H
 
2
O
System:OrthorhombicColour:Colourless white
Hardness:2½ - 3
Name:The name is derived from its composition: zirconium sulfate.
This page provides mineralogical data about Zircosulfate.

Classification of Zircosulfate

IMA status:Approved
Strunz 8th edition ID:6/C.09-10
Nickel-Strunz 10th (pending) edition ID:7.CD.50

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
D : With only large cations
Dana 8th edition ID:29.9.2.1

29 : HYDRATED ACID AND NORMAL SULFATES
9 : Miscellaneous
Hey's CIM Ref.:25.7.2

25 : Sulphates
7 : Sulphates of Pb
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Type Occurrence of Zircosulfate

Type Locality:Korgeredaba alkaline Massif, Sangilen Upland, Tuva Republic, Eastern-Siberian Region, Russia

Physical Properties of Zircosulfate

Lustre:Dull
Diaphaneity (Transparency):Translucent
Colour:Colourless white
Hardness (Mohs):2½ - 3

Crystallography of Zircosulfate

Crystal System:Orthorhombic

Optical Data of Zircosulfate

Type:Biaxial (+)
RI values: nα = 1.620 nβ = 1.644 nγ = 1.674
2V:Measured: 75° , Calculated: 86°
Maximum Birefringence:δ = 0.054

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

Chemical Properties of Zircosulfate

Formula:
(Zr,Ti)(SO
 
4
)
 
2
·4H
 
2
O
Essential elements:H, O, S, Zr
All elements listed in formula:H, O, S, Ti, Zr

Relationship of Zircosulfate to other Species

Related Minerals - Nickel-Strunz Grouping):
7.CD.05Matteuccite
NaHSO
 
4
·H
 
2
O
7.CD.10Mirabilite
Na
 
2
SO
 
4
·10H
 
2
O
7.CD.15Lecontite
(NH
 
4
,K)Na(SO
 
4
)·2H
 
2
O
7.CD.20Hydroglauberite
Na
 
10
Ca
 
3
(SO
 
4
)
 
8
·6H
 
2
O
7.CD.25Eugsterite
Na
 
4
Ca(SO
 
4
)
 
3
·2H
 
2
O
7.CD.30Görgeyite
K
 
2
Ca
 
5
(SO
 
4
)
 
6
·H
 
2
O
7.CD.35Koktaite
(NH
 
4
)
 
2
Ca(SO
 
4
)
 
2
·H
 
2
O
7.CD.35Syngenite
K
 
2
Ca(SO
 
4
)
 
2
·H
 
2
O
7.CD.40Gypsum
Ca[SO
 
4
] · 2H
 
2
O
7.CD.45Bassanite
Ca[SO
 
4
] · 0.5H
 
2
O
7.CD.55Schieffelinite
Pb
 
8
(TeO
 
4
)
 
5
(SO
 
4
)
 
3
·8H
 
2
O
7.CD.60Montanite
Bi
 
2
[TeO
 
6
] · 2H
 
2
O
Related Minerals - Hey's Index Grouping:
25.7.1Schaurteite
Ca
 
3
Ge[(OH)
 
6
|(SO
 
4
)
 
2
] · 4H
 
2
O
25.7.3Anglesite
PbSO
 
4
25.7.4Lanarkite
Pb
 
2
[O|SO
 
4
]
25.7.5Palmierite
(K,Na)
 
2
Pb(SO
 
4
)
 
2
25.7.6Linarite
PbCu[(OH)
 
2
|SO
 
4
]
25.7.7Elyite
Pb
 
4
Cu(SO
 
4
)O
 
2
(OH)
 
4
·H
 
2
O
25.7.8Chenite
Pb
 
4
Cu[(OH)
 
3
|SO
 
4
]
 
2
25.7.9Osarizawaite
Pb(Al,Cu)
 
3
[(OH,H
 
2
O)
 
3
|SO
 
4
]
 
2
25.7.10Itoite
Pb
 
3
Ge
4+
 
[O|OH|SO
 
4
]
 
2
25.7.11Fleischerite
Pb
 
3
Ge[(OH)
 
6
|(SO
 
4
)
 
2
] · 3H
 
2
O
25.7.12Beaverite
Pb(Fe
3+
 
,Cu,Al)
 
3
[(OH)
 
3
|SO
 
4
]
 
2
25.7.13Plumbojarosite
PbFe
3+
6
[(OH)
 
3
|SO
 
4
]
 
4

Other Names for Zircosulfate

Synonyms:
Zircosulphate
German names:
ZircosulfatZirkosulfat

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 Zircosulfate

Reference List:Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1965): 94: 530.

American Mineralogist (1966): 51: 529.

Internet Links for Zircosulfate

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    Localities for Zircosulfate

    (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.
    Russia
     
    • Eastern-Siberian Region
      • Tuva Republic
        • Sangilen Upland
    		American Mineralogist (1966) 51, pp. 529
    Mineral and/or Locality
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