Hidden Gems

Description

Dig in and uncover the world of rocks, minerals, and gemstones!

Discover how a mineral turns into a gem, what makes them precious or semiprecious, and where their colour comes from. Learn the unique properties of featured gemstones including hematite, lapis lazuli, opal, orange calcite and turquoise. Then, it's time to shine — become a gemologist and carefully chip away at the block, which holds its own five polished gems! Includes a 24-page book.