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Esquema molecular
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Galena
PbS
Description
Galena is a sulfide mineral and the primary ore of lead.
Chemical composition
Chemical formula
PbS
Classification
sulfuros
Crystal system
cúbico
Luster
Metálico
Streak
Gris plomo
Density
7.5 g/cm³
Temperatura de fusión
1118 °C
Mohs Scale — 2.5/10
1
2
3
4
5
6
7
8
9
10
Referencia: Calcita
Color
Plateado
gray
Gris plomo
Usos
Uso cotidiano
Historically used in crystal radio detectors.
Uso industrial
Main source of lead and silver.
Similar minerals
Compare species
| Properties | Galena | Argentite | Alabandite | Sphalerite |
|---|---|---|---|---|
| Chemical formula | PbS | Ag2S | MnS | ZnS |
| Classification | Sulfides | Sulfides | Sulfides | Sulfides |
| Crystal system | cúbico | cúbico | cúbico | isométrico |
| Hardness | 2.5 | 2.5 | 3.5 | 3.5 |
| Density | 7.5 g/cm³ | 7.3 g/cm³ | 4.04 g/cm³ | 4.1 g/cm³ |
| Luster | Metálico | Metálico | Submetálico | Resinous |
| Streak | Gris plomo | Negro brillante | Verde oscuro a gris | Pale yellow |
| Cleavage | Unknown | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown | Unknown |
Similar minerals: Alabandita · Esfalerita · Argentita
Derivatives and uses
Metallic lead, lead oxides, silver.
Geographic distribution
Extraction countries: Australia, China, Estados Unidos, Perú, México
Periodic table
Contains elements: Pb · S
S
Sulfur
#16 · Nonmetals
Atomic mass32.06 u
Density2.07 g/cm³
Melting point115.2 °C
Boiling point444.6 °C
StateSolid
Alkali metalsAlkaline earth metalsTransition metalsPost-transition metalsMetalloidsNonmetalsHalogensNoble gasesLanthanidesActinides