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Rocks: Igneous, Metamorphic and Sedimentary
Rocks hold the history of the earth and the materials that will be used to build its future.
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.
Dacite - a light-colored extrusive igneous rock intermediate between rhyolite and andesite.
Tumbled Stones are rocks that have been rounded, smoothed and polished in a rock tumbler.
The Brewery Rock ?
The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Geodes look like ordinary rocks on the outside but can be spectacular inside!
Sliding Rocks on Racetrack Playa How they slide across a dry lake bed is a mystery.
Quartzite a nonfoliated metamorphic rock composed almost entirely of quartz.
Rock and Mineral Kits
Rock, Mineral and Fossil Collections. Specimens for personal or classroom use.
Difficult Rocks Elementary students find lots of rocks that you will not be able to identify.
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.
Shale The rock that is quickly transforming the energy industry.
Unakite is a metamorphosed granite composed of green epidote and pink orthoclase.
Sand is a diverse material. This gallery includes photos of sand from around the world.
Don*t Go To Jail
Rock Collectors must know the rules before removing rocks from public and private property.
Rock Art People have been producing rock art for thousands of years. A world-wide collection.
Siltstone is a sedimentary rock composed mainly of silt-sized particles.
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Mariposite - a name used for green chromium-rich micas and certain rocks colored by them.
Mineral Show Photos From the 2010 Tucson Gem, Mineral & Fossil Show.
Soapstone is a talc-rich rock with properties that make it suitable for a variety of projects.
The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Oil Sands contain oil in the form of bitumen - a major oil resource that can be difficult to produce.
Caliche is a lithified layer in soil or sediment. It is considered to be a sedimentary rock.
Uses of Granite
Uses of Granite The rock used everywhere from the kitchen to the facing stone of skyscrapers.
Crushed Stone - Four tons per person is used each year in the United States.
Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Coal Close Up
Coal Through a Microscope Coal is more than a black rock. It\'s THE most interesting rock.
Gold Panning Kits
Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for gold!
Spectacular Yosemite Rockfall A photo sequence of rockfall and debris avalanche by Herb Dunn.
Limestone A versatile rock used in cement, food, paint, paper, drugs, concrete & more!
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.
Forensic Geology My students come to class thinking that dirt is dirt and sand is sand...
What Are Pictographs? They are drawings or paintings on rocks made by people.
Carbonatite Lava Flows at Oldoinyo Lengai CO2-rich lavas that flow like motor oil.
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.