Rock
A coarse-grained intrusive igneous rock, typically an interlocking mixture of quartz, feldspar and mica. Its coarse crystals record slow cooling deep inside the crust.
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Each claim states how it is known and cites its evidence.
Granite is mostly made from different proportions of quartz, feldspar and mica, present as interlocked crystals.
Evidence support: Supported by the cited evidence 2 sources, multiple sources, independence unknown
Evidence: British Geological Survey n.d. Primary authority; Commission on New Minerals, Nomenclature and Classification, International Mineralogical Association 2026 Primary authority
A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter.
Evidence support: Supported by the cited evidence one source
Evidence: U.S. Geological Survey n.d. Primary authority
Record last updated 2026-09-06. Corrections follow the published corrections policy; superseded claims are retained, never silently edited.
