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Hydroromarchite Mineral Data
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General Hydroromarchite Information
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 Chemical Formula: |
Sn3O2(OH)2 |
| Composition: |
Molecular Weight = 422.14 gm |
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Tin 84.36 % Sn 95.73 % SnO |
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Hydrogen 0.48 % H 4.27 % H2O |
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Oxygen 15.16 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Sn3O2(OH)2 |
| Environment: |
An alteration product on tin pannikins dropped in a river between 1801 and 1821. |
| IMA Status: |
Approved IMA 1971 |
| Locality: |
Boundary Falls, Winnipeg River, Ontario, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the hydrous version of romarchite. |
| Name Pronunciation: |
Hydroromarchite + Pronunciation  |
| Synonym: |
ICSD 203206 |
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IMA1969-007 |
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PDF 25-11303 |
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Hydroromarchite Crystallography
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| Axial Ratios: |
a:c = 1:1.14195 |
| Cell Dimensions: |
a = 7.89, c = 9.01, Z = 2; V = 560.89 Den(Calc)= 2.50 |
| Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnc |
| X Ray Diffraction: |
By Intensity(I/Io): 3.5(1), 2.773(0.9), 2.961(0.8), |
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Physical Properties of Hydroromarchite
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| Color: |
White. |
| Diaphaneity: |
Semitransparent |
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
| Streak: |
white |
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Optical Properties of Hydroromarchite
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| Optical Data: |
NCalc= 1.37 - from Gladstone-Dale relationship (KC = 0.1485) where Ncalc=Dcalc*KC+1
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Calculated Properties of Hydroromarchite
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| Electron Density: |
Bulk Density (Electron Density)=2.18 gm/cc
note: Specific Gravity of Hydroromarchite =2.50 gm/cc.
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| Fermion Index: |
Fermion Index = 0.14
Boson Index = 0.86 |
| Photoelectric: |
PEHydroromarchite = 266.46 barns/electron
U=PEHydroromarchite x rElectron Density= 580.71 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydroromarchite is Not Radioactive |
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Hydroromarchite Classification
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| Dana Class: |
06.04.02.01 (06)Hydroxides and Oxides Containing Hydroxyl |
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(06.04)containing multiple cations |
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(06.04.02)Dana Group |
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06.04.02.01 Hydroromarchite Sn3O2(OH)2 P 4/mnc 4/m 2/m 2/m |
| Strunz Class: |
04.FF.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.F - Hydroxides (without V or U) |
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04.FF -Hydroxides with OH, without H2O; various polyhedra |
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04.FF.05 Hydroromarchite Sn3O2(OH)2 P 4/mnc 4/m 2/m 2/m |
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Other Hydroromarchite Information
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| References: |
NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) |
| 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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Print or Cut-and-Paste your Hydroromarchite Specimen Label here :
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Hydroromarchite
Sn3O2(OH)2
Dana No: 06.04.02.01 Strunz No: 04.FF.05
Locality:
Notes:
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