Difficult Rocks Elementary students find lots of rocks that you will not be able to identify.
Rock Tumblers Step-by-step guide to tumble-polishing rocks into gemstones.
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
Rock Kits Get a collection of sedimentary, metamorphic and igneous rocks.
Sliding Rocks on Racetrack Playa How they slide across a dry lake bed is a mystery.
||The Brewery Rock ?
The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
A Grain of Sand Gallery of sand grains through a microscope by Dr. Gary Greenberg.
Sand is a diverse material. This gallery includes photos of sand from around the world.
Mineral Show Photos From the 2010 Tucson Gem, Mineral & Fossil Show.
Shale The rock that is quickly transforming the energy industry.
The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Trap Rock is a name applied to any dark-colored igneous rock used to produce crushed stone.
Soapstone is a talc-rich rock with properties that make it suitable for a variety of projects.
||Uses of Granite
Uses of Granite The rock used everywhere from the kitchen to the facing stone of skyscrapers.
Rock Art People have been producing rock art for thousands of years. A world-wide collection.
Crushed Stone - Four tons per person is used each year in the United States.
What Are Pictographs? They are drawings or paintings on rocks made by people.
Spectacular Yosemite Rockfall A photo sequence of rockfall and debris avalanche by Herb Dunn.
||Coal Close Up
Coal Through a Microscope Coal is more than a black rock. It\'s THE most interesting rock.
Forensic Geology My students come to class thinking that dirt is dirt and sand is sand...
||Azurite Granite ?
Azurite Granite? Found at the base of K2, the second highest mountain in the world.
||Rocks on Mars
Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks.
Limestone A versatile rock used in cement, food, paint, paper, drugs, concrete & more!
Carbonatite Lava Flows at Oldoinyo Lengai CO2-rich lavas that flow like motor oil.