Esquema molecular
Chrysocolla
(Cu,Al)2H2Si2O5(OH)4·nH2O
Description
Chrysocolla is a hydrous copper silicate mineral, with a color ranging from blue to green. It is often formed in the oxidation zones of copper deposits.
Chemical composition
Chemical formula
(Cu,Al)2H2Si2O5(OH)4·nH2O
Classification
Silicatos
Crystal system
Amorfo
Luster
Vitreous to silky
Streak
White
Density
2 g/cm³
Mohs Scale — 2.5/10
Referencia: Calcita
Color
Cyan
Usos
Uso cotidiano
Used in jewelry and decorative items due to its attractive color.
Uso industrial
Sometimes used as a copper ore and in the manufacture of ceramics.
Similar minerals
Compare species
| Properties | Chrysocolla | Malachite | Malachite | Turquoise |
|---|---|---|---|---|
| Chemical formula | (Cu,Al)2H2Si2O5(OH)4·nH2O | Cu₂CO₃(OH)₂ | Cu2(CO3)(OH)2 | CuAl6(PO4)4(OH)8·4H2O |
| Classification | Silicatos | Carbonato | Carbonato | Fosfatos |
| Crystal system | Amorfo | Monoclínico | Monoclínico | Triclinic |
| Hardness | 2.5 | 3.5 | 3.5 | 5 |
| Density | 2 g/cm³ | 3.6 g/cm³ | 3.6 g/cm³ | 2.65 g/cm³ |
| Luster | Vitreous to silky | Sedoso a vitreoso | Sedeoso | Cera |
| Streak | White | Verde claro | Verde claro | Blanco |
| Cleavage | Unknown | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown | Unknown |
Similar minerals: Malachite · Azurite · Turquoise
Derivatives and uses
Crisocolla can form from the alteration of other copper minerals such as malachite and azurite.
Geographic distribution
Extraction countries: Estados Unidos, Brasil, Chequia, México, Perú
Galería de la comunidad
Periodic table
Contains elements: Cu · Al · Si · O · H
Hydrogen
#1 · Nonmetals
