| Urusovite Mineral Data |
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- 38.5.9.1 Namibite CuBi2(VO4)O2 C 2/m,Cm,C 2 Mono
- 38.5.9.2 Urusovite ! Cu[AlAsO5] P 21/c 2/m
- VII/B.07-05 Coparsite! Cu4O2[(As,V)O4]Cl Pbcm 2/m 2/m 2/m
- VII/B.07-10 Stoiberite Cu5V2O10 P 21/n 2/m
- VII/B.07-15 Averievite! Cu5(VO4)2O2·CuCl2 P 3 3
- VII/B.07-20 Fingerite Cu11(VO4)6O2 P1 1
- VII/B.07-30 Urusovite Cu[AlAsO5] P 21/c 2/m
General Urusovite Information |
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 Chemical Formula: |
Cu[AlAsO5] | ||
| Composition: |
Molecular Weight = 245.45 gm | ||
| Aluminum 10.99 % Al 20.77 % Al2O3 | |||
| Copper 25.89 % Cu 29.15 % Cu2O | |||
| Arsenic 30.52 % As 46.82 % As2O5 | |||
| Oxygen 32.59 % O | |||
| ______ ______ | |||
| 100.00 % 96.74 % = TOTAL OXIDE | |||
| Empirical Formula: |
CuAlAsO5 | ||
| Environment: |
Found in a fumarole with a gas temperature of 410-420 deg C at the time of collection. | ||
| IMA Status: |
Approved IMA 1998 (Dana # Added) | ||
| Locality: |
In a fumarole at the Great fissure Tolbachik eruption, Kamchatka, Russia. Link to MinDat.org Location Data. | ||
| Name Origin: |
The name honors Vadim Sergeevich Urusov of Moscow State University, Russia. | ||
| Synonym: |
IMA1998-067 | ||
Urusovite Image | |||
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Images:
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Urusovite Crystallography |
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| Axial Ratios: |
a:b:c =0.7154:1:0.5454 | ||
| Cell Dimensions: |
a = 7.314, b = 10.223, c = 5.576, Z = 4; beta = 99.79° V = 410.85 Den(Calc)= 3.97 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 7.2(1)(100), 4.844(0.9)(011), 2.458(0.8)(211),2.656(0.6), 4.327(0.23)(111), 3.125(0.2)(211), 3.174(0.1)(121), 3.604(0.1)(200), | ||
| Forms:
Mouse |
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Physical Properties of Urusovite |
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| Cleavage: |
[010] Perfect | ||
| Color: |
Light green. | ||
| Diaphaniety: |
Translucent | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Habit: |
Platy - Sheet forms (e.g. micas). | ||
| Hardness: |
4 - Fluorite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Urusovite |
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| Gladstone-Dale: |
CI calc= 0.052 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1773,KC= 0.1871 |
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| Optical Data: |
Biaxial (-), a=1.672, b=1.718, g=1.722, bire=0.0500 | ||
Calculated Properties of Urusovite |
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| Electron Density: |
relectron=3.72 gm/cc |
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| Fermion Index |
Fermion Index = 0.00015 Boson Index = 0.99985 |
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| Photoelectric: |
PEUrusovite = 33.05 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Urusovite is Not Radioactive |
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Urusovite Classification |
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| Dana Class: |
38.5.9.2 (38)Anhydrous Phosphates, etc | ||
| (38.5)with miscellaneous formulae | |||
| (38.5.9)Dana Group | |||
| Strunz Class: |
VII/B.07-30 VII - Phosphates, Arsenates and Vanadates | ||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O,OH, cations of medium size: Mg, Mn, Fe, Cu, Zn, Pseudomalachite group and related compounds | |||
| VII/B.07 - Stoiberite - Fingerite series | |||
Other Urusovite Information |
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| References: |
NAME( AmMin, v 86, p 767) PHYS. PROP.(AmMin, v 86, p 767) OPTIC PROP.(AmMin, v 86, p 767) | ||
| See Also: |
Links to other databases for Urusovite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas 10 - WWW-MINCRYST Search for Urusovite using: Visit our Advertisers for Urusovite : Translate Urusovite Mineral Data : Ask about Urusovite here : Print or Cut-and-Paste your Urusovite Specimen Label here :
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