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Natural Occurrence of Aluminium

hlinik-v-prirodeDue to its high reactivity, natural aluminium can be found almost solely in compounds.

Aluminium is the third most abundant element in the Earth's crust; according to the latest data, aluminium makes up 7.5 - 8.3% of the Earth's crust.

Its concentration in sea water is very low, only 0.01 mg Al/l.

The ratio in outer space is one atom of aluminium to approximately half a million atoms of hydrogen.

The ratio in outer space is one atom of aluminium to approximately half a million atoms of hydrogen.