Solid phase
Official name
Zirconium(IV) silicate
CAS number
10101-52-7
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
nesosilicate
Formula
ZrSiO4
Chemical formula
ZrSiO4
Elemental formula
Zr Si O4
Isotope mixture type
terrestrial abundance
12.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
Zr Zirconium element 1 0.16666666666666666 1.0 constituent element main
Si Silicon element 1 0.16666666666666666 1.0 constituent element main
O Oxygen element 4 0.6666666666666666 1.0 constituent element main
Chemical functions
  Function Number
(SiO4)4 1
Chemical bonds
  Bond Number
SiO 4
Class
tridimensional covalent networks (11)
Phase type
crystalline
Crystal system
tetragonal
Crystal class
ditetragonal-pyramidal
Crystal class symbol
4/mmm (D4h)
Crystal spacegroup
I4(1)/amd
Molar mass
190.31 g/mol
Density
4.6-4.7 g/cm3
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid 2820 K
Refringence type
uniaxial
Refringence sign
negative
Birefringence
0.0470-0.0055
Refraction index nα
1.92-1.96
Refraction index nβ
1.967-2.015
Pure color
colorless
Diaphaneity
transparent to opaque
Luster
adamantine