Assertion: marble | /r/HasProperty | limestone
Facets:
value: originally
type: MANNER
Source sentences:
text: Some Marble Is Actually Limestone
text: (Remember, marble is a limestone, but limestone is not a marble.)
text: What constitutes a marble in building terms can be broad, but these days is generally considered to be a stone that complies with a broad geological view that marble is a limestone recrystallized by the heat and pressure of the earth.
text: Marble is limestone that has crystallized naturally over a period of time.
text: Most marbles were originally limestones that underwent tremendous pressure and heat, causing the limestone to melt then recrystalize.