What are crystals?
By: Molly Aloian
Series: Let's rock!
Publisher: Crabtree Pub.
Published: 2012
Place of publication: New York, N.Y
Language: eng
Number of pages: 32
ISBN-13: 9780778772132; 9780778772187; 9781427188373; 9781427197405
Subjects: Crystals; Juvenile literature
Notes: Includes index.

Grades 4-6.
Table of contents: title: The origins of crystals; title: Layers; title: How do crystals form?; title: Crystal structures; title: Diamonds; title: Quartz; title: Corundum; title: Beryl; title: Using crystals; title: Crystal caves; title: Gems and gemstones; title: Other crystals; title: What's your birthstone?