Tumbled Stones are rocks that have been rounded, smoothed and polished in a rock tumbler.
Rock Kits Get a collection of sedimentary, metamorphic and igneous rocks.
Geology Tools - Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Quartzite a nonfoliated metamorphic rock composed almost entirely of quartz.
Siltstone is a sedimentary rock composed mainly of silt-sized particles.
Trap Rock is a name applied to any dark-colored igneous rock used to produce crushed stone.
A Grain of Sand Gallery of sand grains through a microscope by Dr. Gary Greenberg.
|The Brewery Rock ?
The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
Shale The rock that is quickly transforming the energy industry.
Unakite is a metamorphosed granite composed of green epidote and pink orthoclase.
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Sliding Rocks on Racetrack Playa How they slide across a dry lake bed is a mystery.
Difficult Rocks Elementary students find lots of rocks that you will not be able to identify.
Mineral Show Photos From the 2010 Tucson Gem, Mineral & Fossil Show.
Fee Mining sites are mines that you can enter, pay a fee, and keep anything that you find.
Soapstone is a talc-rich rock with properties that make it suitable for a variety of projects.
Sand is a diverse material. This gallery includes photos of sand from around the world.
||Uses of Granite
Uses of Granite The rock used everywhere from the kitchen to the facing stone of skyscrapers.
The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Crushed Stone - Four tons per person is used each year in the United States.
Spectacular Yosemite Rockfall A photo sequence of rockfall and debris avalanche by Herb Dunn.
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Limestone A versatile rock used in cement, food, paint, paper, drugs, concrete & more!
||Rocks on Mars
Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks.
||Azurite Granite ?
Azurite Granite? Found at the base of K2, the second highest mountain in the world.
Carbonatite Lava Flows at Oldoinyo Lengai CO2-rich lavas that flow like motor oil.
Rock Art People have been producing rock art for thousands of years. A world-wide collection.
What Are Pictographs? They are drawings or paintings on rocks made by people.
||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...