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Hydroromarchite Mineral Data

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General Hydroromarchite Information

Help on Chemical  Formula: Chemical Formula: Sn3O2(OH)2
Help on Composition: Composition: Molecular Weight = 422.14 gm
   Tin       84.36 %  Sn   95.73 % SnO
   Hydrogen   0.48 %  H     4.27 % H2O
   Oxygen    15.16 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sn3O2(OH)2
Help on Environment: Environment: An alteration product on tin pannikins dropped in a river between 1801 and 1821.
Help on IMA Status: IMA Status: Approved IMA 1971
Help on Locality: Locality: Boundary Falls, Winnipeg River, Ontario, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the hydrous version of romarchite.
Help on Name Pronunciation: Name Pronunciation: Hydroromarchite + Pronunciation Say HYDROROMARCHITE
Help on Synonym: Synonym: ICSD 203206
  PDF 25-11303

Hydroromarchite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.14195
Help on Cell Dimensions: Cell Dimensions: a = 7.89, c = 9.01, Z = 2; V = 560.89 Den(Calc)= 2.50
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.5(1), 2.773(0.9), 2.961(0.8),

Physical Properties of Hydroromarchite

Help on Color: Color: White.
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Streak: Streak: white

Optical Properties of Hydroromarchite

Help on Optical Data: Optical Data: NCalc= 1.37 - from Gladstone-Dale relationship (KC = 0.1485) where Ncalc=Dcalc*KC+1

Calculated Properties of Hydroromarchite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.18 gm/cc
note: Specific Gravity of Hydroromarchite =2.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.14
Boson Index = 0.86
Help on Photoelectric: Photoelectric: PEHydroromarchite = 266.46 barns/electron
U=PEHydroromarchite x rElectron Density= 580.71 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydroromarchite is Not Radioactive

Hydroromarchite Classification

Help on  Dana Class: Dana Class: (06)Hydroxides and Oxides Containing Hydroxyl
  (06.04)containing multiple cations
  (06.04.02)Dana Group Hydroromarchite Sn3O2(OH)2 P 4/mnc 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.FF.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FF -Hydroxides with OH, without H2O; various polyhedra
04.FF.05 Hydroromarchite Sn3O2(OH)2 P 4/mnc 4/m 2/m 2/m

Other Hydroromarchite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Hydroromarchite :
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: 04.FF.05