Mineralogy Database

Zircosulfate Mineral Data

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General Zircosulfate Information

Help on Chemical  Formula: Chemical Formula: Zr(SO4)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 355.41 gm
   Zirconium  25.67 %  Zr   34.67 % ZrO2
   Hydrogen    2.27 %  H    20.28 % H2O
   Sulfur     18.04 %  S    45.05 % SO3
   Oxygen     54.02 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zr(SO4)2•4(H2O)
Help on Environment: Environment: Cavity in intensely hydrothermally altered nepheline syenite pegmatite, perhaps formed by acid sulfatic solutions attacking eudialyte.
Help on IMA Status: IMA Status: Approved IMA 1965
Help on Locality: Locality: Korgeredaba alkalic massif, Sangilen Upland, southeastern Tuva, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the zirconium and sulfate in its composition.
Help on Name Pronunciation: Name Pronunciation: Zircosulfate + Pronunciation Say ZIRCOSULFATE

Zircosulfate Image

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Comments: Powdery zircosulfate aggregate.
Location: Korgeredaba Massif, Republic of Tuva, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Zircosulfate Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.2306:1:0.476
Help on Cell Dimensions: Cell Dimensions: a = 25.92, b = 11.62, c = 5.532, Z = 8; V = 1,666.19 Den(Calc)= 2.83
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: F ddd
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.33(1), 2.98(0.9), 2.33(0.6),

Physical Properties of Zircosulfate

Help on Color: Color: Colorless, White.
Help on Density: Density: 2.83 - 2.85, Average = 2.84
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white

Optical Properties of Zircosulfate

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.029 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2283,KPDmeas= 0.2275,KC= 0.2218
Ncalc = 1.63
Help on Optical Data: Optical Data: Biaxial (+), a=1.62, b=1.644, g=1.674, bire=0.0540, 2V(Calc)=86, 2V(Meas)=75.

Calculated Properties of Zircosulfate

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.81 gm/cc
note: Specific Gravity of Zircosulfate =2.84 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEZircosulfate = 34.48 barns/electron
U=PEZircosulfate x rElectron Density= 97.00 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zircosulfate is Not Radioactive

Zircosulfate Classification

Help on  Dana Class: Dana Class: (29)Hydrated Acid and Sulfates
  (29.09)with miscellaneous formulae
  (29.09.02)Dana Group Zircosulfate Zr(SO4)2•4(H2O) F ddd 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 07.CD.50 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CD -With only large cations
07.CD.50 Zircosulfate Zr(SO4)2•4(H2O) F ddd 2/m 2/m 2/m

Other Zircosulfate Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Zircosulfate :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 07.CD.50





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