Assertion: β spodumene | /r/HasProperty | stable allotrope
Facets:
value: at atmospheric pressure
type: OTHER
value: above 1173–1223 k
type: LOCATION
value: thermodynamically
type: MANNER
Source sentences:
text: These results highlight that β-spodumene is the thermodynamically stable allotrope above 1173–1223 K (900–950 °C) at atmospheric pressure.