Peoples of the East, instead of flint, they used jade for their tools, hard, and at the same time very impact resistant, crushing and smashing. Today jade – two metal silicate: sodium and aluminum – it is a decorative stone, mostly different …
Diamonds Emeralds Rubies Sapphires
Peoples of the East, instead of flint, they used jade for their tools, hard, and at the same time very impact resistant, crushing and smashing. Today jade – two metal silicate: sodium and aluminum – it is a decorative stone, mostly different …