Rubies
By: Eric Ethan
Series: Gems, nature's jewels
Publisher: Gareth Stevens Pub.
Published: 2011
Place of publication: New York
Language: eng
ISBN-13: 9781433947285; 9781433947278
Notes: Includes index.
Table of contents: title: What are rubies?; title: Where are rubies found?; title: What do rubies look like?; title: Finding a gem; title: Making ruby jewelry; title: What makes rubies valuable?; title: Really rare rubies.