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Cuprite on Calcite
https://australian.museum/learn/minerals/mineral-factsheets/Cuprite-on-calcite/

Emke Mine in Namibia has produced some very large cuprite (copper oxide) crystals, with some being of gem quality and able to be faceted into rare dark-red gemstones.

Published 07 December 2022

gem geoscience Albert Chapman Collection minerals Minerals Gallery Gems gemstone
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.

Published 02 June 2009

geological processes geoscience earth sciences Sydney Earth and Environmental Science geology
Types of metamorphism
https://australian.museum/learn/minerals/shaping-earth/types-of-metamorphism/

There are several different types of metamorphism, including dynamic, contact, regional, and retrogressive metamorphism, that form and shape rocks.

Published 11 February 2009

geological processes geoscience earth sciences Earth and Environmental Science geology
Fluorite
https://australian.museum/learn/minerals/gemstones/fluorite/

Facts about Fluorite.

Published 12 September 2012

gem geoscience minerals Gems gemstone
Labradorite
https://australian.museum/learn/minerals/gemstones/labradorite/

Facts about Labradorite

Published 12 September 2012

gem gemstone geoscience minerals
Zircon
https://australian.museum/learn/minerals/gemstones/zircon/

Facts about Zircon

Published 12 September 2012

gem gemstone geoscience minerals
Quartz
https://australian.museum/learn/minerals/gemstones/quartz/

Quartz is the most common mineral, present in a wide range of rocks and gemstones.

Published 15 February 2017

gem gemstone geoscience minerals
Lavas
https://australian.museum/learn/minerals/shaping-earth/lavas/

One of the products of volcanic eruptions is lava. Lavas vary widely in composition depending upon their original source magma.

Published 27 August 2009

volcano geoscience geological processes earth sciences Earth and Environmental Science
Concretions, Thunder Eggs and Geodes
https://australian.museum/learn/minerals/shaping-earth/concretions-thunder-eggs-and-geodes/

Concretions are compact, often rounded, accumulations of mineral matter that form inside sedimentary rocks such as shale and sandstone or in soil.

Published 02 June 2009

geological processes geoscience earth earth sciences Earth and Environmental Science geology
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.

Published 29 July 2009

geological processes geoscience earth sciences Earth and Environmental Science geology

Tails from the Coasts

Presented with the National Museum of Singapore, this culturally significant collection of watercolours brings to life extraordinary species and captivating stories.

Special exhibition
On now

Find out more
Burra

Be transported on an immersive journey through the eyes of burra (eel) in the Australian Museum’s learning and play space.

Permanent kids learning space
10am - 4.30pm

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RELICS

Vintage objects meet miniature LEGO® worlds in RELICS: A New World Rises, an extraordinary exhibition created by LEGO® Masters winners. Opening 16 August at the Australian Museum.

Special Exhibition
Opens 16 August 2025

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Minerals

Be dazzled by over 1800 spectacular rocks and minerals in our new Minerals Gallery.

Permanent exhibition
Open daily

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