The colour of the amazonite comes from impurities of lead. For many years it was believed to come from copper.
Although named after the Amazon River amazonite is not found in this region of Brazil. When being named it's believed to have been mistaken for nephrite jade.
Amazonite is type of microcline which is a feldspar mineral. Only blue-green microcline is known as amazonite.
Although often thought of as being a relatively new find, amazonite can be traced back to the 5th millennium BC which was approximately 6000 years ago.
AGATE
