[4] Although it has been used for jewellery for well over three thousand years, as attested by archaeological finds in Middle and New Kingdom Egypt[8] and Mesopotamia, no ancient or medieval authority mentions it.
In early modern times, it was obtained almost exclusively from the area of Miass in the Ilmensky Mountains, 50 miles (80 km) southwest of Chelyabinsk, Russia, where it occurs in granitic rocks.
Those places are, among others, as follows: Australia: China: Libya: Mongolia: Ethiopia: South Africa: Sweden: United States: For many years, the source of amazonite's color was a mystery.
[20] Subsequent 1998 theoretical studies by A. Julg expand on the potential role of aliovalent lead in the color of microcline.
This experiment was to simulate a child swallowing amazonite, and could also apply to new alternative medicine practices such as inserting the mineral into oils or drinking water for days.