Assertion: β spodumene | /r/HasProperty | occurring form
Facets:
value: naturally
type: MANNER
Source sentences:
text: One method of extraction involves converting α-spodumene (the naturally occurring form) to the β-form (a less dense material) by heating to 1100°C, mixing with sulphuric acid, H 2 SO 4 , and heating to 250°C.
text: One method of extraction involves converting α-spodumene (the naturally occurring form) to the β-form (a less dense material) by heating to 1100°C, mixing with sulphuric acid, H