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Cutting gemstones
https://australian.museum/learn/minerals/gemstones/cutting-gemstones/Faceted gemstones reveal the inherent qualities of a mineral, such as colour (or lack of it), clarity, fire and brilliance, which might otherwise remain hidden.
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Geological origin of gemstones
https://australian.museum/learn/minerals/gemstones/geological-origin-of-gemstones/Gemstones are formed below the Earth's surface and can sometimes show traces of other minerals, called inclusions.
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Valuing gemstones
https://australian.museum/learn/minerals/gemstones/valuing-gemstones/Gemstones are valuable because they are a rare and desirable commodity. They also represent time and labour spent on cutting and presentation.
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Geological ore deposits
https://australian.museum/learn/minerals/geological-deposits/geological-ore-deposits/Geological ore deposits are of many different types and occur in all geological environments.
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Building Materials
https://australian.museum/learn/minerals/geological-deposits/building-materials/Perhaps the most important geological deposits are those that we use for building purposes. These come from all geological environments.
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Earthquakes and tsunamis
https://australian.museum/learn/news/blog/earthquakes-and-tsunamis/What causes earthquakes and why do tsunamis often follow a large earthquake?
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Where will the next volcano erupt in Australia?
https://australian.museum/learn/news/blog/amri-where-next-volcano-erupt-in-australia/The volcanic future of Australia is revealed.
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Metamorphism
https://australian.museum/learn/minerals/shaping-earth/metamorphism/The word metamorphism comes from Greek and means 'change of form'. Metamorphic rocks are pre-existing rocks whose mineral composition and/or texture has been changed by processes within the Earth.
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The Sydney Basin
https://australian.museum/learn/minerals/shaping-earth/the-sydney-basin/The Sydney Basin is a major structural basin containing a thick Permian-Triassic (290 Ma - 200 Ma (million years old)) sedimentary sequence that is part of the much larger Sydney-Gunnedah-Bowen Basin.
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Metamorphic rocks
https://australian.museum/learn/minerals/shaping-earth/metamorphic-rocks/Metamorphic rocks form because of changes in temperature and depth of burial within the Earth in a solid state without actual melting.
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Discover more
Barka: The Forgotten River
Special exhibition
Now on until 23 July 2023![]()
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Discover more
Bilas: Body Adornment from Papua New Guinea
Opening 9 June 2023, featuring photographs by Wylda Bayrón.
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Book now
School programs and excursions
Virtual excursions
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Burra
Permanent education space
Open daily![]()
