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Igneous Rocks

Igneous Rocks form by some of the most interesting methods of all rocks on Earth. Kids love the varied colors, textures and properties of our igneous rock samples. Each igneous rock sample is individually packaged and comes with an information card to tell you about your new rock.  Please note that we always try to have the largest samples possible, but are at times limited by the mines. Typical samples sizes are generally 1-2 inches in length or width but can vary based in availability and natural formation.

Andesite Igneous Rock Andesite Igneous Rock   
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Andesite is an igneous rock that consists of mostly feldspar and biotite. This rock is usually gray, brown, black, reddish-pink...
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Anorthosite Igneous Rock Anorthosite Igneous Rock   
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Anorthosite Igneous Rock. White to light gray colored intrusive igneous rock. Major minerals include feldspar. Anorthosite has...
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Basalt Igneous Rock Basalt Igneous Rock   
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Basalt Igneous Rock. Common, gray to black extrusive igneous rock. Major minerals include pyroxene and feldspar. Basalt...
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Carbonatite Igneous Rock Carbonatite Igneous Rock   
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TEMPORARILY OUT OF STOCK. Carbonatite Igneous Rock. Light gray to yellow igneous rock. Carbonatite can form as either...
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Diorite Igneous Rock Diorite Igneous Rock   
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Diorite Igneous Rock. Often gray, intrusive igneous rock. Major minerals include feldspar and hornblende. Dorite is medium...
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Gabbro Igneous Rock Gabbro Igneous Rock   
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Gabbro Igneous Rock. Dark gray, intrusive rock. Major minerals include feldspar and pyroxene. Gabbro’s have a medium...
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Granite Igneous Rock - Red/Pink Granite Igneous Rock - Red/Pink   
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Granite Igneous Rock. Red granite sample with medium-grained texture. Major minerals include feldspar, quartz and mica. Granite...
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Granite Igneous Rock - Graphic Granite Igneous Rock - Graphic   
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Form of granite that consists of parallel, rod-shaped quartz crystals in a matrix of feldspar. The quartz grains have an...
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Granite Igneous Rock - Gray/White Granite Igneous Rock - Gray/White   
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Granite is a common volcanic igneous rock that forms below ground. This attractive igneous rock is a speckled white to...
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Monzonite Igneous Rock Monzonite Igneous Rock   
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Monzonite Igneous Rock. Dark gray to green, intrusive igneous rock. Major minerals include feldspars, pyroxene, and hornblende. ...
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