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Esquema molecular
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Rauvite
Ca(UO2)2(V10O28)·16H2O
Description
Rauvite is a rare calcium uranyl vanadate mineral. It is typically found as crusts or powdery masses in carnotite-impregnated sandstones.
Chemical composition
Chemical formula
Ca(UO2)2(V10O28)·16H2O
Classification
Other
Crystal system
ortorrómbico
Luster
sedoso a terroso
Streak
amarillo pálido
Density
2.85 g/cm³
Mohs Scale — 2/10
1
2
3
4
5
6
7
8
9
10
Referencia: Yeso
Color
#800080
#a52a2a
púrpura a rojo violáceo
Usos
Uso cotidiano
None, it is a collector's mineral.
Uso industrial
Minor source of vanadium and uranium in scientific research contexts.
Similar minerals
Compare species
| Properties | Rauvite | Tyuyamunite | Hewettite | Carnotite |
|---|---|---|---|---|
| Chemical formula | Ca(UO2)2(V10O28)·16H2O | Ca(UO2)2(VO4)2·5-8H2O | CaV6O16·9H2O | K2(UO2)2(VO4)2·3H2O |
| Classification | Other | Other | Other | Other |
| Crystal system | ortorrómbico | ortorrómbico | monoclínico | monoclínico |
| Hardness | 2 | 2 | 1.5 | 2 |
| Density | 2.85 g/cm³ | 3.7 g/cm³ | 2.55 g/cm³ | 4.7 g/cm³ |
| Luster | sedoso a terroso | nacarado a mate | sedoso a terroso | Perlado, terroso |
| Streak | amarillo pálido | amarillo claro | rojo anaranjado | Amarillo brillante |
| Cleavage | Unknown | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown | Unknown |
Similar minerals: carnotita · tyuyamunita · hewettita
Derivatives and uses
It can decompose by prolonged exposure to the atmosphere.
Geographic distribution
Extraction countries: Estados Unidos
Periodic table
Contains elements: Ca · U · V · O · H
H
Hydrogen
#1 · Nonmetals
Atomic mass1.008 u
Density0.0899 g/cm³
Melting point-259.2 °C
Boiling point-252.9 °C
StateGas
Alkali metalsAlkaline earth metalsTransition metalsPost-transition metalsMetalloidsNonmetalsHalogensNoble gasesLanthanidesActinides