The first is based on a thin section of the mineral rutile. Rutile is composed mainly of titanium dioxide, and occurs in both igneous and metamorphic rocks.
|Rutile, 55" x 42"|
|Chloritoid, 30" x 70"|
The last is a mica schist, not strictly speaking a mineral but a layered metamorphic rock containing mica, biotite and muscovite.
|Mica Schist, 55" x 57"|
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