|
GEMSTONES of the WORLD
by Walter Schumann
 |
| Authoritative reference work,
with color photographs of more than 1400 specimens, many
shown |
| before and after cutting. Special
sections on fabricated and synthetic gems, recognizing
gems by color, |
| birthstones and organic gems
such as coral and pearl. Includes technical data on gemstone
properties, |
| formation and structure of gems
and cutting. Soft cover, 256 pages. |
| |
Part
No. 62.417 |
|
| |
|
|
|
