is a group of minerals that
are very important in rock formation,
accounting for over half the
earth's crust! There are a number
of varieties that are used in
jewelry. The most important
and labradorite, both known
for their phenomenal iridescence
was used by the ancient Egyptians for the carving of deities.
The stone was considered a catalyst between the living
and the gods. Moonstone was thought to drive away sleeplessness.
Above is a classic association of amazonite with smoky quartz.