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Corundum (sapphire) with diamonds in a platinum ring
https://australian.museum/learn/minerals/mineral-highlights/corundum-diamonds-platinum-ring/Sapphire (aluminium oxide) can be many colours, but the beautiful blue we see most often is from traces of iron and titanium.
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Beryl (aquamarine)
https://australian.museum/learn/minerals/mineral-highlights/beryl-aquamarine/Sapphire (aluminium oxide) can be many colours, but the beautiful blue we see most often is from traces of iron and titanium.
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Rhodochrosite
https://australian.museum/learn/minerals/mineral-highlights/rhodochrosite/The rich, raspberry colour of this rhodochrosite (manganese carbonate) dazzles with its large transparent and sharp ‘dog-tooth’ crystals up to 4 cm in size.
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Calcite with fluorite
https://australian.museum/learn/minerals/mineral-highlights/calcite-with-fluorite/Both calcite (calcium carbonate) and fluorite (calcium fluoride) are common species worldwide, but it is the shape, colour, size and combination that make this specimen very special.
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Topaz
https://australian.museum/learn/minerals/mineral-highlights/topaz/This is a ‘Rembrandt of the mineral world’ – one of the world’s finest mineral specimens.
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Bournonite with quartz
https://australian.museum/learn/minerals/mineral-highlights/bournonite-with-quartz/With its large, silvery ‘cog-wheel’ crystals, this is one of the finest bournonites in the world.
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Dioptase on calcite
https://australian.museum/learn/minerals/mineral-highlights/dioptase-on-calcite/This specimen shows a group of well-shaped rhombohedral pearly white calcite crystals with a liberal scattering of sugary emerald-green dioptase crystals.
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Nephrite jade carving 'nurse with goats'
https://australian.museum/learn/minerals/mineral-highlights/nephrite-jade-carving/Several mineral species are referred to as ‘jade’. However, ‘true jade’ or ‘precious jade’ is the mineral jadeite, a sodium alumino-silicate, formed under high pressure deep down in the Earth.
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Vanadinite on baryte
https://australian.museum/learn/minerals/mineral-highlights/vanadinite-on-baryte/This specimen was purchased from Albert Chapman who bought it at the 1980 Tucson Gem and Mineral Show in the USA.
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Pyrite
https://australian.museum/learn/minerals/mineral-highlights/pyrite/This fine specimen has large striated cubic crystals of pyrite (iron sulphide) and was acquired by Albert Chapman from the Tucson Gem and Mineral Show in the USA.
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Sharks
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Barka: The Forgotten River
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