Rocks and Metals

large rcok with chimney in background

The ground beneath your feet is a natural treasure store, containing rocks, metals and minerals which have been essential to our everyday lives for thousands of years. 

Dig deeper to discover why tin is found at Geevor and learn about other useful metals and beautiful minerals found in Cornwall.

 

Photograph reproduced with the kind permission of Pat Comber

 

Cassiterite (SnO2)

Click to see a larger version of this imagecassiterite mineral specimen

Cassiterite gets its name from the Greek word for ‘tin’. 


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Bismuth (Bi)

Click to see a larger version of this imagebismuth mineral specimen

Bismuth was confused in early times with tin and lead because of its resemblance to those elements.


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Products and Properties

Click to see a larger version of this imagetin toy cars, tin boxes and tin buckets

Tin Plate: One of the most important uses of tin was to coat or ‘plate’ other metals. 


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Gold (Au)

24 Carrot?

Some of the world’s oldest metal artefacts are gold. It is instantly recognisable, by its shiny and gold colour. Most gold is used for jewellery, but the electronics industry is using increasing amounts for use in computers.


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Comment left by Dave Rowlinson on 2009-10-14 17:54:00

Great website, very informative with lots of great images. Well done

Comment left by jessica on 2012-07-03 11:22:41

good website x

 

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