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Esquema molecular
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Uranocircite
Ba(UO2)2(PO4)2·10-12H2O
Description
Uranocircite is a highly radioactive barium uranyl phosphate mineral that fluoresces under ultraviolet light.
Chemical composition
Chemical formula
Ba(UO2)2(PO4)2·10-12H2O
Classification
Phosphates
Crystal system
tetragonal
Luster
Perlado a vítreo
Streak
Amarillo claro
Density
3.5 g/cm³
Temperatura de fusión
1200 °C
Mohs Scale — 2.5/10
1
2
3
4
5
6
7
8
9
10
Referencia: Calcita
Color
#ADFF2F
#FFFF00
Amarillo verdoso
Usos
Uso cotidiano
Mineral collecting and radioactivity studies.
Uso industrial
Source of uranium for scientific research.
Similar minerals
Compare species
| Properties | Uranocircite | Torbernite | Autunite |
|---|---|---|---|
| Chemical formula | Ba(UO2)2(PO4)2·10-12H2O | Cu(UO2)2(PO4)2·8-12H2O | Ca(UO2)2(PO4)2·10-12H2O |
| Classification | Phosphates | Phosphates | Phosphates |
| Crystal system | tetragonal | tetragonal | tetragonal |
| Hardness | 2.5 | 2.5 | 2.5 |
| Density | 3.5 g/cm³ | 3.2 g/cm³ | 3.1 g/cm³ |
| Luster | Perlado a vítreo | Vítreo a nacarado | Perlado a subvítreo |
| Streak | Amarillo claro | Verde claro | Amarillo pálido |
| Cleavage | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown |
Similar minerals: Autunita · Torbernita · Meta-uranocircita
Derivatives and uses
Uranium and barium salts.
Geographic distribution
Extraction countries: Alemania, Francia, Portugal, Estados Unidos, Namibia
Periodic table
Contains elements: Ba · U · O · P · 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