Assertion: calcium carbonate's form | /r/HasProperty | aragonite
Facets:
Source sentences:
text: Pure forms of calcium carbonate are calcite, aragonite and vaterite.
text: Calcium carbonate can be precipitated in three polymorphic forms, which in the order of their usual stabilities are calcite, aragonite and vaterite.
text: Its most common natural forms as the minerals sedimentary rocks are chalk, limestone, marble, calcite, aragonite and limestone.