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Esquema molecular
Arrastra para rotar · rueda o pinza para ampliar
Tyuyamunite
Ca(UO2)2(VO4)2·5-8H2O
Description
Tyuyamunite is a radioactive mineral, a calcium uranyl vanadate, typically found in sedimentary rocks.
Chemical composition
Chemical formula
Ca(UO2)2(VO4)2·5-8H2O
Classification
Other
Crystal system
ortorrómbico
Luster
nacarado a mate
Streak
amarillo claro
Density
3.7 g/cm³
Temperatura de fusión
1000 °C
Mohs Scale — 2/10
1
2
3
4
5
6
7
8
9
10
Referencia: Yeso
Color
#FFFF00
#ADFF2F
amarillo brillante a amarillo verdoso
Usos
Uso cotidiano
Mainly used as a mineral specimen for collectors.
Uso industrial
Minor source of uranium and vanadium.
Similar minerals
Compare species
| Properties | Tyuyamunite | Carnotite | Autunite |
|---|---|---|---|
| Chemical formula | Ca(UO2)2(VO4)2·5-8H2O | K2(UO2)2(VO4)2·3H2O | Ca(UO2)2(PO4)2·10-12H2O |
| Classification | Other | Other | Phosphates |
| Crystal system | ortorrómbico | monoclínico | tetragonal |
| Hardness | 2 | 2 | 2.5 |
| Density | 3.7 g/cm³ | 4.7 g/cm³ | 3.1 g/cm³ |
| Luster | nacarado a mate | Perlado, terroso | Perlado a subvítreo |
| Streak | amarillo claro | Amarillo brillante | Amarillo pálido |
| Cleavage | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown |
Similar minerals: Carnotita · Autunita · Meta-tyuyamunita
Derivatives and uses
Refined uranium and vanadium.
Geographic distribution
Extraction countries: Kazajistán, Estados Unidos, Uzbekistán
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