Assertion: calcium carbonate | /r/HasProperty | formed
Facets:
Source sentences:
text: Calcium-carbonate is a bristly-crystalline, metamorphic rock alike marble that is formed when chalk or limestone is re-crystallized.
text: The irony is, calcium carbonate is the form usually prescribed by doctors; but it’s one of the least absorbable forms of this mineral, and therein lies the problem.
text: As marble, calcium carbonate is a coarse-crystalline, metamorphic rock, which is formed when chalk or limestone is recrystallised under conditions of high temperature and pressure.
text: Hei 11-29319, the composite materials are ones wherein silica is precipitated on the surface of calcium carbonate in a system for coverage with the silica film, calcium carbonate and silica are subjected to co-precipitation, and calcium carbonate is formed, followed by carbonation.