11
Na
Sodium
alkali
Discovered : Humphry Davy, 1807. Alongside potassium.
Found in : Halite (rock salt), sodalite, natrolite, albite feldspar.
Used for : Table salt, glass, soap, paper production.
Remarkable : The ocean contains about 35 grams of sodium per litre. Sodium vapor lamps produce the characteristic orange glow of street lighting.
Minerals containing Sodium
