Aluminium
Beginning of paper
The history of use
is now one of the most widely used metals, but one of the hardest to
refine due to it's reactivity with other elements. Even as late as the turn of
the century, was considered very valuable and in turn expensive, even
more expensive than gold. In some cultures, when a function ....
Middle of paper
.... with other elements in rocks and minerals. An aluminosilicate such as
felspar (KAlSi3O8) is the main constituent of many rocks such as granite, which
is quartz and mica cemented together with felspar. These rocks are gradually
weathered and broken down by the action of carbon-dioxide from the air dissolved
in rainwater forming ‘kaolin'. This is further broken down to form other
substances, ultimately resulting in the formation of Aluminium deposits.
Where and how Aluminium is mined?
Alum ....
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Page count: 2 (approximately 250 words per page)
