General Orthominasragrite Information Chemical Formula: |
VO(SO4)•5(H2O) |
Composition: |
Molecular Weight = 253.08 gm |
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Vanadium 20.13 % V 35.93 % V2O5 |
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Hydrogen 3.98 % H 35.59 % H2O |
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Sulfur 12.67 % S 31.64 % SO3 |
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Oxygen 63.22 % O |
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______ ______ |
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100.00 % 103.16 % = TOTAL OXIDE |
Empirical Formula: |
V5+O(SO4)(H2O)5 |
Environment: |
Secondary mineral in sediment-hosted uranium-vanadium ore deposits. |
IMA Status: |
Approved IMA 2000 (Dana # Added) |
Locality: |
Triassic Shinarump conglomerate at the North Mesa Mina group, Emery County, Utah, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for the polymorphic relationship to minasragrite. |
Synonym: |
IMA2000-018 |
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IMA2001-040 |
| | Orthominasragrite Image
Images:
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Orthominasragrite Crystallography Axial Ratios: |
a:b:c =0.7763:1:0.6653 |
Cell Dimensions: |
a = 7.246, b = 9.333, c = 6.21, Z = 2; V = 419.96 Den(Calc)= 2.00 |
Crystal System: |
Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P mn21 |
X Ray Diffraction: |
By Intensity(I/Io): 4.699(1)(101,020), 3.322(0.5)(121), 2.865(0.4)(220),2.602(0.3)(221,131,022), 2.03(0.2), 2.363(0.2), 3.734(0.2), |
Crystal Structure:
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Mouse
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| Physical Properties of Orthominasragrite Cleavage: |
None |
Color: |
Bright blue, Pale blue. |
Diaphaneity: |
Translucent |
Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
Hardness: |
1 - Talc |
Luster: |
Vitreous (Glassy) |
Streak: |
pale blue |
| Optical Properties of Orthominasragrite Gladstone-Dale: |
CI calc= 0.11 (Poor) - where the CI = (1-KPDcalc/KC) |
KPDcalc= 0.2662,KC= 0.2992 Ncalc = 1.6 Optical Data: |
Biaxial (-), a=1.529, b=1.534, g=1.534, bire=0.0050 |
| Calculated Properties of Orthominasragrite Electron Density: |
Bulk Density (Electron Density)=2.04 gm/cc |
note: Specific Gravity of Orthominasragrite =2.00 gm/cc. Fermion Index: |
Fermion Index = 0.0017629058 |
Boson Index = 0.9982370942 Photoelectric: |
PEOrthominasragrite = 4.51 barns/electron |
U=PEOrthominasragrite x rElectron Density= 9.19 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Orthominasragrite is Not Radioactive | Orthominasragrite Classification Dana Class: |
29.06.13.02 (29)Hydrated Acid and Sulfates |
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(29.06)where A XO4 · x(H2O) |
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(29.06.13)Minasragrite Group (Orthorhombic) |
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Strunz Class: |
07.DB.20 07 - SULFATES (SELENATES, TELLURATES) |
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07.D - Sulfates (selenates, etc.) with additional anions, with H2O |
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07.DB -With only medium-sized cations; insular octahedra and finite groups |
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| Other Orthominasragrite Information References: |
NAME( AmMin, vol 87, p 997) PHYS. PROP.(AmMin, vol 87, p 997) OPTIC PROP.(AmMin, vol 87, p 997) |
See Also: |
Links to other databases for Orthominasragrite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - MinDAT 8 - Mineralienatlas (Deutsch) 9 - Online Mineral Museum 10 - QUT Mineral Atlas 11 - Ruff.Info Search for Orthominasragrite using: Visit our Advertisers for Orthominasragrite : A Bijoux Google Search for OrthominasragriteAdam's Minerals Google Search for Orthominasragrite Cape Minerals Google Search for Orthominasragrite Dakota Matrix Minerals Google Search for Orthominasragrite Excalibur Mineral Corp. Google Search for Orthominasragrite Exceptional Minerals Google Search for Orthominasragrite John Betts Fine Minerals Search for Orthominasragrite McDougall Minerals Google Search for Orthominasragrite Mineral News Website Link Rock and Mineral Shows Google Search for Orthominasragrite Weinrich Minerals, Inc. Google Search for Orthominasragrite Ask about Orthominasragrite here : Print or Cut-and-Paste your Orthominasragrite Specimen Label here :
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