Esquema molecular
Aragonite
CaCO₃
Description
Aragonite is a carbonate mineral, one of the two common, naturally occurring polymorphs of calcium carbonate (CaCO₃). The other polymorph is calcite. Aragonite has crystal systems and is typically found in sedimentary environments, often in marine settings.
Chemical composition
Chemical formula
CaCO₃
Classification
Carbonato
Crystal system
Orthorhombic
Luster
Pearly to vitreous
Streak
White
Density
2.93 g/cm³
Temperatura de fusión
825 °C
Mohs Scale — 3.5/10
Referencia: Fluorita
Color
Color blanco, gris, azul, verde, amarillo, naranja
Usos
Uso cotidiano
Used in the production of lime and cement, and in the manufacturing of jewelry and ornaments.
Uso industrial
Aragonite is used in the production of cements and in ornamental stone industries.
Similar minerals
Compare species
| Properties | Aragonite | Rhodochrosite | Rhodochrosite | Calcite |
|---|---|---|---|---|
| Chemical formula | CaCO₃ | MnCO3 | (Mn,Ca)SiO3 | CaCO₃ |
| Classification | Carbonato | Carbonates | Silicatos | Carbonates |
| Crystal system | Orthorhombic | trigonal | Monoclínico | trigonal |
| Hardness | 3.5 | 4 | 5.5 | 3 |
| Density | 2.93 g/cm³ | 3.7 g/cm³ | 3.6 g/cm³ | 2.71 g/cm³ |
| Luster | Pearly to vitreous | Vítreo a perlado | Vítreo a perlado | Vitreous |
| Streak | White | Blanca | Blanco | White |
| Cleavage | Unknown | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown | Unknown |
Similar minerals: Calcite · Dolomite · Rhodochrosite
Derivatives and uses
Calcite
Geographic distribution
Extraction countries: Estados Unidos, ME, España, Italia, Francia
Galería de la comunidad
Periodic table
Contains elements: Ca · C · O
Carbon
#6 · Nonmetals
