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Igneous Rock Specimens
Description:
Introduce your students to Gray Andesite with large phenocrysts of hornblende.
Description:
Pyroxenite is ultramafic igneous rock made up of primarily pyroxene minerals.
Description:
Scoria is a dark-colored rock formed from lava with a high gas content.
Description:
Medium-grained with biotite.
Description:
Diorite is a mix of dark pyroxene and light andesine provides perfect representation of an intermediate igneous rock.
Description:
Grayish black trap rock.
Catalog Number:
(470026-142)
Description:
Banded volcanic glass.
Catalog Number:
(470346-970)
Description:
Volcanic glass with snowflakes embedded throughout.
Description:
Pale pink felsite, with small sanidine phenocrysts.
Description:
Obsidian is hard black colored, volcanic glass.
Description:
Abundant small black phenocrysts in a gray to brown matrix.
Description:
Porphyritic igneous rock containing biotite, feldspar, and hornblende.
Description:
Pumice is light colored glassy rock that floats in water.
Description:
Gray andesite with large, blocky hornblende phenocrysts.
Description:
Coarse-grained, with microcline, biotite and horblende phenocrysts.
Description:
Classic, very coarse-grained igneous texture.
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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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