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Volcanic landforms
https://australian.museum/learn/minerals/shaping-earth/volcanic-landforms/Each type of volcanic massif (structure) contains lavas, pyroclastic rocks and intrusions, but these differ in proportions and compositions.
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Magma
https://australian.museum/learn/minerals/shaping-earth/magma/Magma is hot molten mobile rock. Igneous rocks form when magma cools and solidifies. Magmas come out of active volcanoes as lavas.
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Volcanic rocks
https://australian.museum/learn/minerals/shaping-earth/volcanic-rocks/Volcanic rocks are divided into three main types: basaltic, volcaniclastic and pyroclastic.
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Tektites
https://australian.museum/learn/minerals/shaping-earth/tektites/Tektites are small, pebble-like glassy objects of Earth material that have been melted by meteorite impact, splashed up into our atmosphere, and fallen to Earth again under gravity.
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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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Gem deposits
https://australian.museum/learn/minerals/gemstones/gem-deposits/Gem deposits are a very important group of mineral deposits, forming in a variety of geological environments and occurring in rocks of all ages from thousands of millions to recent times.
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What are minerals?
https://australian.museum/learn/minerals/what-are-minerals/Minerals are an integral part of the structure of the Earth. Explore what minerals are, and how they are made, how they are identified and what they are used for. Look at the specific chemical and physical properties of minerals.
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Mineral properties
https://australian.museum/learn/minerals/properties/Find out about the properties of minerals.
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Shaping the Earth
https://australian.museum/learn/minerals/shaping-earth/What makes the Earth unique? Where does it fit in the Solar System and, ultimately, the universe? Take a look inside the Earth and find out what it is made from and how it is structured. Look at the processes that shape the Earth.
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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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Jurassic World by Brickman
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Open until 17 July.![]()
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200 Treasures of the Australian Museum
Permanent exhibition
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