TY  - BOOK
AU  - Oldershaw,Cally
TI  - Gems of the world
SN  - 1554075394 (pbk.)
AV  - QE392 .O386 2008
PY  - 2009///, 2008
CY  - Richmond Hill, Ontario
PB  - Firefly Books
KW  - Precious stones
KW  - Gems
N1  - Includes index; Originally published: 2008
N2  - Guide to the identification and use of gemstones.  Includes the geology, chemistry and properties of gemstones, what to look for when buying and how to care for them, plus information on the diamond industry
ER  -