Solid phase
Official name
Synthetic beta quartz
Type
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
tectosilicate
Chemical composition
Formula
$SiO_2$
Chemical formula
SiO2
Elemental formula
Si O2
Isotope mixture type
terrestrial abundance
6.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Si$ Silicon element 1 0.3333333333333333 1 pure main
$O$ Oxygen element 2 0.6666666666666666 1 pure main
Class
tridimensional covalent networks (11)
Type
two non-metal (or one metalloid and one non-metal) atoms tridimensional networks (11.03)
Polymorphs
Equivalent mineral
beta-Quartz
Phase name
quartz beta
Phase type
crystalline
Crystal system
hexagonal
Crystal class
trapezohedral
Crystal class symbol
622 (D6)
Crystal spacegroup
P6(4)22
Molar mass
60.084 $g/mol$
Density
2.53 $g/cm^3$
State NTP
solid
Refringence type
uniaxial
Refringence sign
unknown
Pure color
colorless
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