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Esquema molecular
Arrastra para rotar · rueda o pinza para ampliar
Aventurine
SiO2
Description
A variety of translucent quartz containing inclusions of mica or other minerals that give it a glittering effect known as aventurescence.
Chemical composition
Chemical formula
SiO2
Classification
silicatos
Crystal system
trigonal
Luster
Vítreo a grasiento
Streak
Blanca
Density
2.65 g/cm³
Temperatura de fusión
1713 °C
Mohs Scale — 7/10
1
2
3
4
5
6
7
8
9
10
Referencia: Cuarzo
Color
#228B22
#A52A2A
#D2691E
Verde, rojizo, marrón
Usos
Uso cotidiano
Jewelry, amulets, and decorative objects.
Uso industrial
Gemstone polishing and collecting.
Similar minerals
Compare species
| Properties | Aventurine | Malachite | Quartz |
|---|---|---|---|
| Chemical formula | SiO2 | Cu2(CO3)(OH)2 | SiO₂ |
| Classification | Silicates | Carbonates | Silicates |
| Crystal system | trigonal | Monoclinic | hexagonal |
| Hardness | 7 | 3.5 | 7 |
| Density | 2.65 g/cm³ | 3.6 g/cm³ | 2.65 g/cm³ |
| Luster | Vítreo a grasiento | vitreous | Vitreous |
| Streak | Blanca | light green | Colorless |
| Cleavage | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown |
Similar minerals: Cuarzo · Jade · Malaquita
Derivatives and uses
Polished aventurine quartz, cabochons.
Geographic distribution
Extraction countries: India, Brasil, Rusia, España
Periodic table
Contains elements: Si · O
O
Oxygen
#8 · Nonmetals
Atomic mass15.999 u
Density1.429 g/cm³
Melting point-218.8 °C
Boiling point-183 °C
StateGas
Alkali metalsAlkaline earth metalsTransition metalsPost-transition metalsMetalloidsNonmetalsHalogensNoble gasesLanthanidesActinides