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Lithium is found throughout the natural world. The below table shows its density in the world around us:

Abundance	ppb (by weight)	ppb (by atoms)
Universe	6	1
Sun	0.06	0.01
Sea Water	180	160
Stream	3000	430
Crust of the Earth	50,000	No Data Found

 

It occurs in nature ususally in one of these three mineral forms:

Mineral Name	Equation
Spodumene	LiAlSi2O6
Lepidolite	K2Li3Al4Si7O21(OH+F)3
Petalite	LiAlSi4O10
Listed in order of rate of occurance

 

Lithium is not usually found in the human body.

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