Aluminium
The history of Aluminium use
Aluminium 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, Aluminium was considered very valuable and in turn expensive, even
more expensive than gold. In some cultures, when a function was held (for
example, a party) by wealthy people, only the most honored guests would be given
Aluminium cutlery, the others had to make do with gold or silver cutlery.
A Description of the Aluminium ore, including a list of it's contents
Pure Aluminium oxide is known as alumina (Al2O3). This is found as corundum, a
crystalline. Aluminium can also occur as cryolite (Na3AlF6). Traces of other
metal oxides in Aluminium oxide tint it to make it form stones (often precious)
for example: chronium gives a red colour to rubies, and cobalt makes the blue in
sapphires.
How Aluminium deposits are formed
Aluminium (like many other metals) is not found in......
Join Now or Login to view the rest of this paper.
Approximate Word Count: 446
Approximate Pages: 2 (260 words per double-spaced page) |