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WardsSci000450
Catalog Number:
(470346-970)
Description:
Volcanic glass with snowflakes embedded throughout.
Description:
Coarse-grained, with microcline, biotite and horblende phenocrysts.
Description:
Classic, very coarse-grained igneous texture.
Description:
Gray andesite with large, blocky hornblende phenocrysts.
Description:
Scoria is a dark-colored rock formed from lava with a high gas content.
Description:
Porphyritic igneous rock containing biotite, feldspar, and hornblende.
Description:
Glassy; most specimens float in water.
Description:
Fine to medium-grained with biotite.
Description:
Gray-to-brown basaltic, with over 50% vesicles.
Description:
Gabbro is Mafic igneous rock formed deep underground consisting of olivine and pyroxene.
Description:
Introduce your students to Gray Andesite with large phenocrysts of hornblende.
Description:
Pumice is light colored glassy rock that floats in water.
Description:
Grayish black trap rock.
Description:
Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.
Description:
Pyroxenite is ultramafic igneous rock made up of primarily pyroxene minerals.
Description:
Pegmatite is igneous rock similar to granite but with larger crystals.
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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 is still displayed and you need assistance, please call us at 1-800-962-2660.
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