Assertion: granite | /r/MadeOf | mica
Facets:
value: as its main mineral makeup
type: OTHER
Source sentences:
text: It is a very hard igneous rock containing quartz, mica and feldspar as its main mineral makeup.
text: Its structure is crystalline, and it contains quartz, mica, and feldspar minerals.
text: Granite can be a mixture of mainly quartz and feldspar but also may contain mica.