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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 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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Mineral properties
https://australian.museum/learn/minerals/properties/Minerals can be identified using a number of properties. These include physical and chemical properties such as hardness, density, cleavage and colour, crystallography, electrical conductivity, magnetism, radioactivity and fluorescence.
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Opal
https://australian.museum/learn/minerals/gemstones/opal/Facts about Opal.
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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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Characteristics of sediments
https://australian.museum/learn/minerals/shaping-earth/characteristics-of-sediments/Sediments can be classified by their characteristics, which relate to how they have been transported and weathered and how far from their original source they have been deposited.
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Sedimentary structures
https://australian.museum/learn/minerals/shaping-earth/sedimentary-structures/Sedimentary structures can be of either physical (e.g. wave action) or biological (e.g. disruption of sediments by animals) origin.
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Soils
https://australian.museum/learn/minerals/shaping-earth/soils/Soils are made up of three layers and are thickest where they are older and in warm and wet environments.
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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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Crystallography
https://australian.museum/learn/minerals/what-are-minerals/crystallography/Minerals can be identified by the shape of their crystals: called crystallography. External crystallography measures the outside properties of crystals such as length of crystal surfaces and the angles between these surfaces.
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Tails from the Coasts
Special exhibition
On now![]()
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Burra
Permanent kids learning space
10am - 4.30pm![]()
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RELICS
Special Exhibition
Opens 16 August 2025![]()
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Minerals
Permanent exhibition
Open daily![]()
