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Esquema molecular
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Variscite
AlPO4·2H2O
Description
Variscite is a hydrated aluminum phosphate mineral, known for its characteristic bright green color that is often reminiscent of turquoise.
Chemical composition
Chemical formula
AlPO4·2H2O
Classification
Phosphates
Crystal system
ortorrómbico
Luster
Vítreo a céreo
Streak
Blanca
Density
2.57 g/cm³
Temperatura de fusión
1050 °C
Mohs Scale — 4.5/10
1
2
3
4
5
6
7
8
9
10
Referencia: Apatito
Color
#2e8b57
#32cd32
#98fb98
Verde manzana a verde esmeralda
Usos
Uso cotidiano
Ornamental jewelry and fine stone carving
Uso industrial
Mineral collection and decorative purposes
Similar minerals
Compare species
| Properties | Variscite | Vauxite | Turquoise | Chrysocolla |
|---|---|---|---|---|
| Chemical formula | AlPO4·2H2O | Fe2+Al2(PO4)2(OH)2 · 6H2O | CuAl6(PO4)4(OH)8·4H2O | (Cu,Al)2H2Si2O5(OH)4·nH2O |
| Classification | Phosphates | Phosphates | Phosphates | Silicates |
| Crystal system | ortorrómbico | triclínico | Triclinic | Amorfo |
| Hardness | 4.5 | 3.5 | 5 | 2.5 |
| Density | 2.57 g/cm³ | 2.39 g/cm³ | 2.65 g/cm³ | 2 g/cm³ |
| Luster | Vítreo a céreo | Vítreo | Cera | Vitreous to silky |
| Streak | Blanca | Blanca | Blanco | White |
| Cleavage | Unknown | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown | Unknown |
Similar minerals: Turquesa · Crisocola · Vauxita
Derivatives and uses
Used primarily in jewelry and crafts due to its hardness and attractive color.
Geographic distribution
Extraction countries: Estados Unidos, Australia, Alemania, España
Periodic table
Contains elements: Al · P · O · H
H
Hydrogen
#1 · Nonmetals
Atomic mass1.008 u
Density0.0899 g/cm³
Melting point-259.2 °C
Boiling point-252.9 °C
StateGas
Alkali metalsAlkaline earth metalsTransition metalsPost-transition metalsMetalloidsNonmetalsHalogensNoble gasesLanthanidesActinides