Bøger i Geology Rocks! (Abdo Kids Jumb serien

This title explains what organic gems are, how and where they form in nature, and why they are set apart from inorganic gemstones. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of ABDO.

"This title covers what crystals are and how and where they form in nature. It also briefly explains what minerals, atoms, and elements are and how they play a part in making all sorts of beautiful crystals from amethysts to rare gems."--Publisher's website.