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specimens


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Catalog Number: (470346-970)

Description:   Volcanic glass with snowflakes embedded throughout.
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Description:   Gray andesite with large, blocky hornblende phenocrysts.
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Description:   Glassy; most specimens float in water.
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Description:   Pumice is light colored glassy rock that floats in water.
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Description:   Introduce your students to Gray Andesite with large phenocrysts of hornblende.
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Description:   Porphyritic igneous rock containing biotite, feldspar, and hornblende.
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Description:   Gray, fine, friable, with abundant small sanidine crystal fragments.
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Description:   Light gray, with flow structure.
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Description:   Grayish black trap rock.
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Description:   Dark gray, composed mostly of pyroxene and olivine.
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Description:   Diorite is a mix of dark pyroxene and light andesine provides perfect representation of an intermediate igneous rock.
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Description:   Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.
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Description:   Pyroxenite is ultramafic igneous rock made up of primarily pyroxene minerals.
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Description:   Pegmatite is igneous rock similar to granite but with larger crystals.
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Description:   Syenite a light-colored rock consisting of feldspars and hornblende.
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Catalog Number: (470025-348)

Description:   Study the Formation of Different Igneous Rocks
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-962-2660.
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