Constituent
- Name
- Stishovite
- IMA name
- Stishovite
- Class
- non-silicate mineral
- Compound type
- oxide-hydroxide
- Relevance
- main - major
- Arrangement
- single phase
- Mass fraction
- 1.0
- Formula
- $SiO_2$
- Chemical formula
- SiO2
- Elemental formula
- Si O2
- Isotope mixture type
- terrestrial abundance
- Oxides
-
Formula $SiO_{2}$ Mass fraction (%) 100.0
Strunz
- Class
- oxides - hydroxides - arsenites (04)
- Division
- metal:oxygen = 1:2 and similar (04.D)
- Family
- with small cations: Silica family (04.DA)
- Code
- 04.DA.40
Dana
- Major class
- oxides and hydroxides (III)
- Class
- simple oxides (04)
- Type
- with a cation charge of 4+ (A++++O2) (04.04)
- Group
- Rutile group (Tetragonal: P4/mnm) (04.04.01)
- Code
- 04.04.01.09
- Phase type
- crystalline
- Crystal system
- tetragonal
- Crystal class
- ditetragonal-dipyramidal
- Crystal class symbol
- 4/mmm (D4h)
- Crystal spacegroup
- P4(2)/mnm
- Texture
- monocrystalline
- Molar mass
- 60.08 $g/mol$
- Density
- 4.35 (calc. 4.287) $g/cm^3$
- Refringence type
- uniaxial
- Refringence sign
- positive
- Birefringence
- 0.027
- Refraction index $n_{\alpha}$
- 1.799 - 1.800
- Refraction index $n_{\beta}$
- 1.826 - 1.845
- Color
- colorless
- Diaphaneity
- transparent to translucent
- Luster
- vitreous