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

 

Zinc (Zn)

Click to see a larger version of this imagezinc specimens

Zinc is essential for human health.


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Identifying metals

Click to see a larger version of this imagestreak test for identifying metals

During the 19th century it was discovered that by placing metal compounds into a flame each metal produced its own characteristic colour.


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Tin (Sn)

Click to see a larger version of this imagethree small bottles of tin concentrate

Tin is one of the few metals which has been used and traded by humans for more than 5000 years.


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How is Copper used?

Click to see a larger version of this imagereplica bronze age sword

The first copper objects were decorative - because copper is attractive and easy to shape into objects like earrings, rings, bracelets, combs and mirrors. Copper can be mixed with other metals to create alloys such as bronze (copper and tin) or brass (copper and zinc).


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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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