Assertion: calcite | /r/MadeOf | contains
Facets:
value: theoretically
type: DEGREE
value: practically
type: MANNER
Source sentences:
text: Theoretically, calcite contains 56 per cent CaO and 44 per cent CO2, but practically the mineral contains also small quantities of Mg, Fe, Mn, Zn and Pb, metals whose carbonates are isomorphous with Calcite.