My Book of Rocks & Minerals Book agate pieces range from approximately 2-4

pieces range from approximately 2-4 inches in length

Its color can range from light to dark pink depending on the amount of Manganese in it

India and Brazil

Shiva Lingam is a 4-5" two-tone cryptocrystalline quartz that most commonly comes in shades of red and gray

These orgonite pyramids measure 5 inches in height and are made from natural gemstones and metal shavings in a resin mold with a copper spiral wire

My Book of Rocks & Minerals Book agate pieces range from approximately 2-4Interactive learning that engages young scholarly minds interested in rocks and minerals!! This is an all inclusive informational guide to 64 different types of rocks and minerals! Learn how to tell the difference between them and where you might find them! Dig into all the interesting geological materials from deep space to the deepest caves! You'll even discover glow in the dark minerals and living Gems! This wonderful children's guide is by Devin