What is amber? Where and how much are it mined, and why is it so appreciated?

Amber is a legendary stone. The ancient Greeks, who, incidentally, were the first to guess about the true nature of amber, composed a legend about the son of the sun god, who asked his father for permission to ride in the sky.

Not immediately Phoebus, the lord of the heavenly movement, allowed Phaethon to take the reins of the solar chariot in his hands. The father's fears were not in vain: the…