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 : Ruby and sapphire gravel


Ruby and sapphire gravel

Ruby and sapphire fragments from gem gravels seen on a background of slate. Ruby and sapphire are both varieties of the mineral corundum (aluminium oxide)

Picture No
10703707
Media ID
47586192
Size
4694px x 3742px (20.8MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection

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Aluminium Aluminum Birthstone Corundum Gemstone Gravel Haematite Hematite Mineral Oxide Ruby Sapphire Sediment


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