Photos and information about 80 common rock-forming, ore and gemstone minerals from around the world.

Azurmalachite is a rock composed of the minerals azurite and malachite. It is also a beautiful gem material that displays bands and orbs of brilliant blue and green colors.

Aquamarine is a popular blue gemstone and a birthstone for the month of March. Its color, luster, durability and other properties make it a favorite gem!

What is Tourmaline? Tourmaline is the name of a large group of boron silicate minerals. These minerals share a common crystal structure and similar physical properties - but vary tremendously in chemical …

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Zircon is a popular gemstone and the primary ore of zirconium. It occurs as tiny crystals in many types of rocks but is usually mined from stream and beach sediments.

The map above is a Landsat satellite image of Idaho with County boundaries superimposed. We have a more detailed satellite image of Idaho without County boundaries.

Rock and Mineral BooksAn identification and reference guide to over 350 minerals, rocks, and gems. This book is a 4 1/2" x 7 5/8" paperback with 254 pages, and there are multiple color photos on …

Morganite is the orange to pink variety of the mineral beryl. It has been growing in popularity since 2010. Morganite is the second-most-popular colored gem used as a center stone in engagement rings today.

Serpentine is a group of minerals that are usually green in color. It is used as gemstone, architectural stone, carving material and source of asbestos. Serpentinite is a rock composed mainly of serpentine …