Category details
Categoryandesite
SourceArt & Architecture Thesaurus
Overview
An extrusive, usually dark grayish igneous rock consisting essentially of oligoclase or andesine feldspar with augite, hornblende, hypersthene, or biotite.
Free museum entry for New Zealanders and people living in New Zealand
Open every day 10am-6pm
(except Christmas Day)
Free museum entry for New Zealanders and people living in New Zealand