Since
1977, gemologists, gem collectors, jewelers and gem
dealers have relied on this acclaimed sourcebook for
immediate access to essential information on gems. Now
fully updated and revised, Color
Enclyclopedia of Gemstones, Second Edition (1987),
is the most complete and comprehensive tabulation ever
available on the properties of all known gemstone species
and varieties.
The
Encyclopedia will direct you to concise and accurate
data on a particular gemstone's physical properties,
occurances, chemistry, availability, rarity and market
potential. And the book's spectacular full-color photographs
- over 300 in all - illustrate many gems that are depicted
in no other gemstone book.
Also
of special interest, and new to this edition, is a detailed
analysis of color and color measurement as applied to
gemstones. Here the author presents a comprehensive
listing of machine-generated color measurements on a
wide range of gemstone species and varieties. Machine
color analysis is far more accurate than visual estimation
in gemstone description, and this is the first work
ever to present this kind of information.
A
section on thermal properites of gems introduces you
to this new and potentially useful diagnostic tool.
In addition, the Encyclopedia puts at your fingertips:
- a
"mini-course" in physical geology;
- an
"at-a-glance" summary of minerals
with similar structures;
- refractive
and species indices;
- a
periodic table of the elements;
- and
much more.
About
the author: Joel E. Arem received the B.S. degree
in geology from Brooklyn College, and the M.A. in geology
and Ph.D. in mineralogy from Harvard University. He
is generally recognized as one of the world's foremost
experts on colored gemstones. He is the author of four
books and numerous popular and technical articles on
gems, minerals and crystals. In addition, he is an award-winning
jewelry designer, the first American ever to win the
prestigious Tully Memorial Medal of the Gemmological
Assocition of Great Britain, and for three years was
president of the Accredited Gemologists Association.
He is also the president of his own gemstone marketing
firm.
This
book is in NEW condition. It has 248 pages of in-depth
gemstone information and 64 pages of full color pictures.
|