A kind of chemical composition, found in almost all gemstones or look on the book: Gemstones of the world.
No.
aluminuim
This is because the aluminum atoms at its surface immediately react with the oxygen in the air to form a thin layer of tough aluminum oxide. This layer stops any further corrosion taking place.
No
dogs online
solid
Lightweight.
google image maybe?
Yes ,because it has delocalised electron
they are usually made of copper or aluminuim
I think its a liquid
Aluminum is not a rock, it is a metal.