Linked from
The 15 pages that link to Rhyolite, each with the reason it gives.
Lava flowRelated: Rhyolitic lava commonly advances slowly and forms thick, short flows.
Alkali feldsparRelated: Its alkali feldspar phenocrysts can reveal crystallization before eruption.
Ground stoneRelated: Some rhyolites provide hard, workable stone for ground-stone artifacts.
Taupō Volcanic ZoneRelated: Rhyolitic magma drives many of the zone’s largest explosive eruptions.