Product Catalog > Igneous Rocks 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.
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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. Common, gray to green extrusive igneous rock. Major minerals include pyroxene and feldspar. Basalt...
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Carbonatite Igneous Rock. Light gray to yellow igneous rock. Carbonatite can form as either an intrusive or extrusive...
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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. Dark gray, intrusive rock. Major minerals include feldspar and pyroxene. Gabbro’s have a medium...
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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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Monzonite Igneous Rock. Dark gray to green, intrusive igneous rock. Major minerals include feldspars, pyroxene, and hornblende. ...
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Obsidian Igneous Rock. Black, extrusive igneous rock. Obsidian is often called volcanic glass due to its absent crystals...
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Pegmatite Igneous Rock. Light colored intrusive rock. Major minerals include quartz and mica. Large grains are characteristic...
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Peridotite Igneous Rock. Black or green intrusive rock. Major minerals include olivine and pyroxene. Peridotite is a...
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