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Esquema molecular
Arrastra para rotar · rueda o pinza para ampliar
Aleguite
CaAl2Si2O8
Description
Aleguite is a rare mineral belonging to the feldspar group, closely related to anorthite.
Chemical composition
Chemical formula
CaAl2Si2O8
Classification
Silicates
Crystal system
triclínico
Luster
vítreo
Streak
blanco
Density
2.7 g/cm³
Temperatura de fusión
1550 °C
Mohs Scale — 6/10
1
2
3
4
5
6
7
8
9
10
Referencia: Ortosa
Color
#ffffff
#f0f8ff
Blanco a incoloro
Usos
Uso cotidiano
Used in collecting and academic geological studies.
Uso industrial
Reference material in igneous rock petrography.
Similar minerals
Compare species
| Properties | Aleguite | Anorthite | Albite | Labradorite |
|---|---|---|---|---|
| Chemical formula | CaAl2Si2O8 | CaAl2Si2O8 | NaAlSi3O8 | (Na,Ca)(Si,Al)4O8 |
| Classification | Silicates | Silicates | Silicates | Silicates |
| Crystal system | triclínico | triclínico | triclínico | Triclinic |
| Hardness | 6 | 6 | 6 | 6 |
| Density | 2.7 g/cm³ | 2.75 g/cm³ | 2.62 g/cm³ | 2.7 g/cm³ |
| Luster | vítreo | Vítreo | Vítreo | Vitreous |
| Streak | blanco | Blanco | Blanca | White |
| Cleavage | Unknown | Unknown | Unknown | Unknown |
| Transparency | Unknown | Unknown | Unknown | Unknown |
Similar minerals: Anortita · Albita · Labradorita
Derivatives and uses
Kaolin through chemical weathering.
Geographic distribution
Extraction countries: México, Estados Unidos, Italia
Periodic table
Contains elements: Ca · Al · 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