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Esquema molecular
Bastnäsite
(Ce,La,Y)CO3F
Description
Bastnäsite is a group of rare-earth fluoride carbonate minerals, acting as the primary source for cerium, lanthanum, and neodymium.
Chemical composition
Chemical formula
(Ce,La,Y)CO3F
Classification
carbonatos
Crystal system
hexagonal
Luster
vítreo a grasoso
Streak
blanco
Density
5 g/cm³
Temperatura de fusión
900 °C
Mohs Scale — 4.5/10
1
2
3
4
5
6
7
8
9
10
Referencia: Apatito
Color
#FFD700
#A52A2A
#FFA500
amarillo rojizo, marrón, naranja
Usos
Uso cotidiano
Collectibles and manufacturing of specialized glass.
Uso industrial
Main source of rare earth elements such as cerium, lanthanum, and neodymium.
Similar minerals
Compare species
| Properties | Bastnäsite | Dolomite |
|---|---|---|
| Chemical formula | (Ce,La,Y)CO3F | CaMg(CO₃)₂ |
| Classification | Carbonates | Carbonates |
| Crystal system | hexagonal | rhomboédrico |
| Hardness | 4.5 | 3.5 |
| Density | 5 g/cm³ | 2.85 g/cm³ |
| Luster | vítreo a grasoso | Vitreous |
| Streak | blanco | White |
| Cleavage | Unknown | Unknown |
| Transparency | Unknown | Unknown |
Similar minerals: Parisita · Synchysita · Dolomita
Derivatives and uses
Rare earth oxides, pure rare earth metals.
Geographic distribution
Extraction countries: China, Estados Unidos, Australia, Brasil
Galería de la comunidad
Periodic table
Contains elements: Ce · La · Y · C · O · F
C
Carbon
#6 · Nonmetals
Atomic mass12.011 u
Density1.821 g/cm³
Melting point—
Boiling point—
StateSolid
Alkali metalsAlkaline earth metalsTransition metalsPost-transition metalsMetalloidsNonmetalsHalogensNoble gasesLanthanidesActinides
