Describes how crystals, semiprecious stones, and precious metals form in nature, how crystals are grown artificially, and how crystals are used in industry.
Famed archaeologist/adventurer Dr. Henry "Indiana" Jones is called back into action when he becomes entangled in a Soviet plot to uncover the secret behind mysterious artifacts known as the Crystal Skulls.
Takes a look at the underground process that creates crystals, from sparkling quartz to ordinary salt, as well as where they are found and how they are mined.
Molly's day turns from totally wonderful to totally horrible when her classmates are not interested in the special crystal she has brought to school, until Miss Plumberry steps in to help.
Describes how crystals form in nature, how crystals are grown artificially, and how they are used in industry. Numerous color photos with text identify the various gemstones.