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Esquema molecular
Arrastra para rotar · rueda o pinza para ampliar
Orpiment
As2S3
Description
Orpiment is a bright yellow arsenic sulfide mineral, commonly associated with hot springs and fumaroles.
Chemical composition
Chemical formula
As2S3
Classification
Sulfides
Crystal system
monoclínico
Luster
Resinoso a perlado
Streak
Amarillo pálido
Density
3.49 g/cm³
Temperatura de fusión
300 °C
Mohs Scale — 1.5/10
1
2
3
4
5
6
7
8
9
10
Referencia: Yeso
Color
#FFF700
#FFD700
Amarillo limón a amarillo dorado
Usos
Uso cotidiano
Historically used as a pigment in painting and ink.
Uso industrial
Manufacturing of semiconductors, photoconductors, and fireworks.
Similar minerals
Compare species
| Properties | Orpiment | Aurichalcite | Realgar | Sulfur |
|---|---|---|---|---|
| Chemical formula | As2S3 | (Zn,Cu)5(CO3)2(OH)6 | As4S4 | S |
| Classification | Sulfides | Carbonates | Sulfides | elemento_nativo |
| Crystal system | monoclínico | ortorrómbico | monoclínico | ortorrómbico |
| Hardness | 1.5 | 2 | 2 | 1.5 |
| Density | 3.49 g/cm³ | 3.64 g/cm³ | 3.56 g/cm³ | 2.07 g/cm³ |
| Luster | Resinoso a perlado | sedoso a perlado | Resinoso a graso | resinoso |
| Streak | Amarillo pálido | blanca | Naranja-rojizo | amarillo |
| Cleavage | Unknown | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown | Unknown |
Similar minerals: Rejalgar · Azufre · Auricalcita
Derivatives and uses
Metallic arsenic, arsenic trioxide.
Geographic distribution
Extraction countries: China, Perú, Irán, Estados Unidos, Rusia
Periodic table
Contains elements: As · 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