Synthetic beta quartz | SSHADE

Solid phase

Official name: Synthetic beta quartz

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 (Ceramics) (11.03)

Endmembers and polymorphs

Polymorphs

Synthetic amorphous silica

Associated phases

Equivalent mineral: beta-Quartz

Crystallography

Phase name: quartz beta
Phase type: crystalline
Crystal system: hexagonal
Crystal class: trapezohedral
Crystal class symbol: 622 (D6)
Crystal spacegroup: P6(4)22

Physical properties

Molar mass: 60.084 $g/mol$
Density: 2.53 $g/cm^3$

Thermodynamical properties

State NTP: solid

Optical properties

Refringence type: uniaxial
Refringence sign: unknown
Pure color: colorless

Links and Publications

Links