Image: Perlite
Perlite (12 cm x 7 cm), 14 km south-west of Brunswick Heads, New South Wales.
- Photographer:
- Stuart Humphreys
- Rights:
- © Australian Museum
Additional information
Perlite is a volcanic glass that exhibits numerous concentric cracks. Some are high in water and expand when heated.
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Tags perlite, volcanic glass, volcanoes, igneous rocks, specimen, mineralogy, geosciences,