Cristobalite [ SiO2 ]

Material properties

Formula SiO2
Abbreviation Crs
IMA Status Grandfathered (pre-IMA), 1887
Crystal symmetry Tetragonal, Point group 422, Space group P41212 (#92)
Classification Silica
Variant synthetic
Related materials Coesite, Mogánite, Quartz, Seifertite, Stishovite, Tridymite
Luminescence emitters Intrinsic, Self trapped exciton, Unspecified
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Mineral, Simple oxide, Synthetic

Composition

Element Atoms
Si 1
O 2
Total: 3

References for Cristobalite

Reference
Lines Spectra Images
Hanusiak 1975 1 0 0
Kayama et al. 2009 1 0 0
Moore & Karakus 1994 1 0 0
Trukhin & Plaudis 1979 1 0 0

Specimens of Cristobalite

Name Owner Materials Phase purity Image
STx-1 Montmorillonite CSIRO Cristobalite (19.2%), Montmorillonite 19.2
M2474 Azurite balls CSIRO Azurite, Cristobalite (1.2%), Microcline, Quartz 1.2