Tumbled Stones are rocks that have been rounded, smoothed and polished in a rock tumbler.
Geodes look like ordinary rocks on the outside but can be spectacular inside!
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
||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.
||Rock and Mineral Kits
Rock, Mineral and Fossil Collections. Specimens for personal or classroom use.
Quartzite a nonfoliated metamorphic rock composed almost entirely of quartz.
Sliding Rocks on Racetrack Playa How they slide across a dry lake bed is a mystery.
A Grain of Sand Gallery of sand grains through a microscope by Dr. Gary Greenberg.
Trap Rock is a name applied to any dark-colored igneous rock used to produce crushed stone.
Difficult Rocks Elementary students find lots of rocks that you will not be able to identify.
Shale The rock that is quickly transforming the energy industry.
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.
||Gold Panning Kits
Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for gold!
Siltstone is a sedimentary rock composed mainly of silt-sized particles.
Mineral Show Photos From the 2010 Tucson Gem, Mineral & Fossil Show.
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Unakite is a metamorphosed granite composed of green epidote and pink orthoclase.
The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Rock Art People have been producing rock art for thousands of years. A world-wide collection.
||Uses of Granite
Uses of Granite The rock used everywhere from the kitchen to the facing stone of skyscrapers.
Oil Sands contain oil in the form of bitumen - a major oil resource that can be difficult to produce.
What Are Pictographs? They are drawings or paintings on rocks made by people.
Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Crushed Stone - Four tons per person is used each year in the United States.
||Coal Close Up
Coal Through a Microscope Coal is more than a black rock. It\'s THE most interesting rock.
||Azurite Granite ?
Azurite Granite? Found at the base of K2, the second highest mountain in the world.
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.
Spectacular Yosemite Rockfall A photo sequence of rockfall and debris avalanche by Herb Dunn.
Carbonatite Lava Flows at Oldoinyo Lengai CO2-rich lavas that flow like motor oil.
Forensic Geology My students come to class thinking that dirt is dirt and sand is sand...
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Fee Mining sites are mines that you can enter, pay a fee, and keep anything that you find.