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Limestone caves
https://australian.museum/learn/minerals/shaping-earth/limestone-caves/Caves form in limestone (calcium carbonate), and occasionally in dolomite (calcium magnesium carbonate), when water containing dissolved carbon dioxide (carbonic acid) seeps into rock crevices and joints.
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Igneous intrusions
https://australian.museum/learn/minerals/shaping-earth/igneous-intrusions/Molten magma can invade the Earth's upper layers and then solidify as igneous intrusions.
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Plate Tectonics
https://australian.museum/learn/minerals/shaping-earth/plate-tectonic-processes/Since the 1950s, several discoveries have led to a new understanding of how the Earth works.
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Looking inside the Earth
https://australian.museum/learn/minerals/shaping-earth/looking-inside-the-earth/The internal structure of the Earth consists of three main parts, the crust, mantle and core. The division between the crust and the mantle is called the Moho.
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The Molong Meteorite – a visitor from outer space.
https://australian.museum/learn/news/blog/the-molong-meteorite-a-visitor-from-outer-space/A story about a meteorite from the central west of NSW that has been part of the Australian Museum collection for 83 years.
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What are minerals?
https://australian.museum/learn/minerals/what-are-minerals/Minerals are the building blocks of our planet. Discover what they reveal about the history of Earth and our solar system and what makes them so essential to our existence.
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Gemstones
https://australian.museum/learn/minerals/gemstones/Gemstones are prized for their beautiful colours and patterns and are used in a range of applications including jewellery, decorative items and as important features of mineral collections.
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Water and sedimentary transport
https://australian.museum/learn/minerals/shaping-earth/water-and-sedimentary-processes/Water plays a vital role in most sedimentary processes. Pure water itself has little effect on rocks. It is the dissolved gases in water, particularly carbon dioxide, that cause the chemical decay of minerals and mineral dissolution.
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Sedimentary processes
https://australian.museum/learn/minerals/shaping-earth/sedimentary-processes/Sediments are formed by the breakdown (both physical and chemical) of pre-existing rocks, which may be of igneous, metamorphic or sedimentary origin.
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Oliver Chalmers – Curator of Minerals
https://australian.museum/about/history/people/oliver-chalmers-curator-of-minerals/The promising lad who became a highly regarded geologist.
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2025 Australian Geographic Nature Photographer of the Year
Special exhibition
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Unfinished Business
Special exhibition
Opens 1 November -
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Wansolmoana
Permanent exhibition
Open daily -
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Burra
Permanent kids learning space
10am - 4.30pm![]()
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Minerals
Permanent exhibition
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