Item talk:Q162340
From geokb
Mindat Short Description
Cristobalite is a silica polymorph that is thermodynamically stable only at temperatures above 1470°C, up to the melting point at 1705°C, at atmospheric pressures. It commonly metastably persists or even forms at much lower temperatures in silica-rich ...
Geoscience Ontology Status Notes
vom Rath G (1887) Ueber cristobalit vom Cerro S. Cristóbal bei Pachuca (Mexico), Neues Jahrbuch für Mineralogie, Geologie und Palaontologie 1887, 198-199
IMA Formula (from Mindat)
SiO2
RRUFF Formula (from Geoscience Ontology)
SiO2
