Assertion: stalagmite | /r/MadeOf | calcite
Facets:
value: by gypsum
type: OTHER
value: usually
type: DEGREE
Source sentences:
text: Usually, stalactites and stalagmites in caves are formed by calcite, less frequently by aragonite, and rarely by gypsum .
text: Usually, stalactites and stalagmites in caves are formed by calcite, less frequently by aragonite, and rarely by gypsum.