Solid phase
Official name
Zirconium(IV) silicate
CAS number
10101-52-7
Type
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
nesosilicate
Chemical composition
Formula
$ZrSiO_4$
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
$(SiO_4)^{4-}$ 1
Chemical bonds
  Bond Number
$\geq Si-O^-$ 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 $g/cm^3$
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 $n_{\alpha}$
1.92-1.96
Refraction index $n_{\beta}$
1.967-2.015
Pure color
colorless
Diaphaneity
transparent to opaque
Luster
adamantine
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