Earthlearningidea Virtual Rock Kit

all rocks index      igneous rocks index

Microgranite is a pale-coloured, fine-grained igneous rock with visible interlocking crystals.
Pale-coloured crystals are usually rich in silicon.

Thin section under crossed polars


Hand specimen

Locality

Rock in use

Close-up

Thin section p-=polars

Thin section x-polars