Igneous Rock Specimens
Supplier:
Avantor
Description:
Light gray, with flow structure.
Supplier:
Avantor
Description:
Rhyolite is a pale, pink felsic rock with lower density than most igneous rocks.
Supplier:
Avantor
Description:
Dark gray, composed mostly of pyroxene and olivine.
Supplier:
Avantor
Description:
Gray-to-brown basaltic, with over 50% vesicles.
Supplier:
Avantor
Description:
Scoria is a dark-colored rock formed from lava with a high gas content.
Supplier:
Avantor
Description:
Classic, very coarse-grained igneous texture.
Catalog Number:
(470026-142)
Supplier:
Avantor
Description:
Banded volcanic glass.
Catalog Number:
(470346-970)
Supplier:
Avantor
Description:
Volcanic glass with snowflakes embedded throughout.
Supplier:
Avantor
Description:
Gabbro is Mafic igneous rock formed deep underground consisting of olivine and pyroxene.
Supplier:
Avantor
Description:
Pyroxenite is ultramafic igneous rock made up of primarily pyroxene minerals.
Supplier:
Avantor
Description:
Diorite is a mix of dark pyroxene and light andesine provides perfect representation of an intermediate igneous rock.
Supplier:
Avantor
Description:
Pumice is light colored glassy rock that floats in water.
Supplier:
Avantor
Description:
Dark gray, with hornblende as the dominant mafic mineral.
Supplier:
Avantor
Description:
Gray andesite with large, blocky hornblende phenocrysts.
Supplier:
Avantor
Description:
Classic, dark; from the Columbia Plateau.
Supplier:
Avantor
Description:
Grayish black trap rock.
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