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Moganite Mineral Data
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General Moganite Information
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 Chemical Formula: |
SiO2 |
| Composition: |
Molecular Weight = 60.08 gm |
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Silicon 46.74 % Si 100.00 % SiO2 |
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Oxygen 53.26 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
(SiO2) |
| Environment: |
Polymorphic relation with quartz |
| IMA Status: |
Approved IMA 1999 (Dana # Added) |
| Locality: |
Mogan, on southern Gran Canaria in the Canary Islands. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Moganite  |
| Synonym: |
ICSD 67669 |
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IMA1999-035 |
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PDF 38-360 |
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Moganite Crystallography
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| Axial Ratios: |
a:b:c =1.7961:1:2.1974 |
| Cell Dimensions: |
a = 8.758, b = 4.876, c = 10.715, beta = 90.08° V = 457.57 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: I2/a |
| X Ray Diffraction: |
By Intensity(I/Io): 3.335(1), 4.43(0.9), 3.391(0.58),3.117(0.13), 1.83(0.11), 1.37(0.1), |
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Physical Properties of Moganite
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| Color: |
Gray. |
| Diaphaneity: |
Transparent |
| Luster: |
Earthy (Dull) |
| Streak: |
white |
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Optical Properties of Moganite
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| Optical Data: |
Biaxial (?), b=1.526 |
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Calculated Properties of Moganite
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEMoganite = 1.80 barns/electron
U=PEMoganite x rElectron Density= . barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Moganite is Not Radioactive |
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Moganite Classification
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| Dana Class: |
75.01.04.02 (75)Tectosilicate Si Tetrahedral Frameworks |
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(75.01)SiO2 with [4] coordinated Si |
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(75.01.04)Dana Group |
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75.01.04.01 Coesite SiO2 C 2/c 2/m |
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75.01.04.02 Moganite! SiO2 I2/a 2/m |
| Strunz Class: |
04.DA.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DA -With small cations |
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04.DA.20 Lutecite* SiO2 I12/a1=C 2/c 2/m |
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04.DA.20 Moganite! SiO2 I2/a 2/m |
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Other Moganite Information
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| References: |
NAME( CanMin, Vol 38) PHYS. PROP.(CanMin, Vol 38) OPTIC PROP.(CanMin, Vol 38) |
| See Also: |
Links to other databases for Moganite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
12 - WWW-MINCRYST
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Print or Cut-and-Paste your Moganite Specimen Label here :
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Moganite
SiO2
Dana No: 75.01.04.02 Strunz No: 04.DA.20
Locality:
Notes:
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