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A gem is almost always harder than the ore from which it came.
No, it is a gem.
We find gems and after processing we convert them into jewels ..simple.. :)
yes
Ore is raw material, alloy is combination of metals
It is a difference between the hardness, generally expressed in the Mohs scale.
squirrels usauly help
A gem is a type of mineral crystal that is particularly valued due to its shine and clarity for use in jewelry.
Gems are valuable rocks aren't.
No it is an ore like gold. Silver comes out of a mine.
These mean the same thing. There is no difference.
Bauxite is the ore of aluminium, from which aluminium is is extracted.