The Geology Starter kits include a selection of 15 different types of stones and is the perfect way to introduce children and grown ups to the wonders of Geology. Your stone organizer comes with a Chart to identify your stones and the geological background of each stone included in your set. The geology kit is composed of the following stones : Agate Blue Lace, Amazonite, Amber, Amethyst, Aventurine Green, Aventurine Yellow, Bloodstone, Carnelian, Dalmatian Jasper, Red Jasper, Rock Crystal, Rose Quartz, Snowflake Obsidian, Tigers Eye Gold, Unakite.