This
definitive volume deals with the gemstone opal -- what it is, how
it is formed, where it is found throughout the world and how it
is mined, the myths and superstitions that have grown up around
it, how it is cut and polished as a precious gemstone and used in
jewelry, etc. Published in October, 1997 by John Wiley &
Sons, Inc., New York City.
This
definitive volume deals with the gemstone opal -- what it is, how
it is formed, where it is found throughout the world and how it
is mined, the myths and superstitions that have grown up around
it, how it is cut and polished as a precious gemstone and used in
jewelry, etc. Published in October, 1997 by John Wiley &
Sons, Inc., New York City.