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Esquema molecular
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Spodumene
LiAl(SiO3)2
Description
Spodumene is a lithium-rich pyroxene mineral, valued as a source of lithium and as a gemstone.
Chemical composition
Chemical formula
LiAl(SiO3)2
Classification
Silicates
Crystal system
monoclínico
Luster
Vítreo
Streak
Blanca
Density
3.15 g/cm³
Temperatura de fusión
1420 °C
Mohs Scale — 7/10
1
2
3
4
5
6
7
8
9
10
Referencia: Cuarzo
Color
#e0e0e0
#fffacd
#90ee90
#dda0dd
Incoloro, blanco, gris, amarillo, verde, rosa, violeta
Usos
Uso cotidiano
Jewelry and collectibles
Uso industrial
Primary source of lithium for batteries
Similar minerals
Compare species
| Properties | Spodumene | Pectolite | Jadeite |
|---|---|---|---|
| Chemical formula | LiAl(SiO3)2 | NaCa2Si3O8(OH) | NaAlSi2O6 |
| Classification | Silicates | Silicates | Silicates |
| Crystal system | monoclínico | triclínico | monoclínico |
| Hardness | 7 | 5 | 6.5 |
| Density | 3.15 g/cm³ | 2.87 g/cm³ | 3.3 g/cm³ |
| Luster | Vítreo | vítreo | Vítreo a graso |
| Streak | Blanca | blanco | Blanca |
| Cleavage | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown |
Similar minerals: Diopsido · Jadeíta · Pectolita
Derivatives and uses
Lithium carbonate, lithium hydroxide
Geographic distribution
Extraction countries: Estados Unidos, Brasil, Afganistán, Australia, China
Periodic table
Contains elements: Li · Al · Si · O
Li
Lithium
#3 · Alkali metals
Atomic mass6.94 u
Density0.534 g/cm³
Melting point180.5 °C
Boiling point1329.8 °C
StateSolid
Alkali metalsAlkaline earth metalsTransition metalsPost-transition metalsMetalloidsNonmetalsHalogensNoble gasesLanthanidesActinides