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Esquema molecular
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Uranospinite
Ca(UO2)2(AsO4)2·10H2O
Description
Uranospinite is a hydrated calcium uranyl arsenate mineral, known for its intense yellow-green color and fluorescence under UV light.
Chemical composition
Chemical formula
Ca(UO2)2(AsO4)2·10H2O
Classification
Phosphates
Crystal system
tetragonal
Luster
perlado
Streak
blanco
Density
3.45 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
#FFF700
#ADFF2F
amarillo verde limón
Usos
Uso cotidiano
Mineral collection
Uso industrial
Source for studying radioactive minerals
Similar minerals
Compare species
| Properties | Uranospinite | Torbernite | Autunite |
|---|---|---|---|
| Chemical formula | Ca(UO2)2(AsO4)2·10H2O | 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 | 3.45 g/cm³ | 3.2 g/cm³ | 3.1 g/cm³ |
| Luster | perlado | Vítreo a nacarado | Perlado a subvítreo |
| Streak | blanco | Verde claro | Amarillo pálido |
| Cleavage | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown |
Similar minerals: Meta-uranospinita · Autunita · Torbernita
Derivatives and uses
Used primarily as a research specimen due to its natural radioactivity.
Geographic distribution
Extraction countries: Alemania, Chequia, Estados Unidos, Francia
Periodic table
Contains elements: Ca · U · As · 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