Ammolite is a rare and valuable opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of the United States and Canada. It is made of the fossilized shells of ammonites,...
Ammolite is a rare and valuable opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of the United States and Canada. It is made of the fossilized shells of ammonites,...
Amber - A Brief Overview... The name comes from the Arabic, probably through Spanish, but this word referred originally to ambergris, which is an animal substance quite distinct from yellow amber. True...