Assertion: mineral | /r/MadeOf | oxygen
Facets:
Source sentences:
text: All the minerals in this group contain oxygen and silicon—the two most common elements in Earth's crust
text: All the minerals in this group contain carbon and oxygen joined together.
text: All the minerals in this group contain oxygen and silicon—the two most common elements in Earth's crust
text: All the minerals in this group contain oxygen and silicon—the two most common elements in Earth's crust
text: All the minerals in this group contain carbon and oxygen joined together.
text: All the minerals in this group contain carbon and oxygen joined together.