You Searched For: Igneous Rocks


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Supplier: Avantor
Description: Light gray, with flow structure.

Supplier: Avantor
Description: Gray, fine, friable, with abundant small sanidine crystal fragments.

Supplier: Avantor
Description: Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.

Supplier: Avantor
Description: Pyroxenite is ultramafic igneous rock made up of primarily pyroxene minerals.

Supplier: Avantor
Description: Dark gray, composed mostly of pyroxene and olivine.

Supplier: Avantor
Description: Coarse, “salt and pepper”: dark pyroxene and light andesine.

Catalog Number: (470226-462)
Supplier: Avantor
Description: Introduce your students to rocks formed from the cooling of magma and lava.


Supplier: Avantor
Description: Classic, dark; from the Columbia Plateau.

Supplier: Avantor
Description: Glassy; most specimens float in water.

Supplier: Avantor
Description: Dark gray, with hornblende as the dominant mafic mineral.

Supplier: Avantor
Description: Classic, very coarse-grained igneous texture.

Supplier: Avantor
Description: Pumice is light colored glassy rock that floats in water.

Supplier: Avantor
Description: Grayish black trap rock.

Supplier: Avantor
Description: Gray andesite with large, blocky hornblende phenocrysts.

Supplier: Avantor
Description: Porphyritic igneous rock containing biotite, feldspar, and hornblende.

Supplier: Avantor
Description: Fine to medium-grained with biotite.

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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 1-800-932-5000.
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