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WardsSci000450
Description:
Dark gray, with hornblende as the dominant mafic mineral.
Description:
Pyroxenite is ultramafic igneous rock made up of primarily pyroxene minerals.
Catalog Number:
(470026-142)
Description:
Banded volcanic glass.
Catalog Number:
(470346-970)
Description:
Volcanic glass with snowflakes embedded throughout.
Description:
Obsidian is hard black colored, volcanic glass.
Description:
Scoria is a dark-colored rock formed from lava with a high gas content.
Description:
Introduce your students to Gray Andesite with large phenocrysts of hornblende.
Description:
Pegmatite is igneous rock similar to granite but with larger crystals.
Description:
Porphyritic igneous rock containing biotite, feldspar, and hornblende.
Description:
Rhyolite is a pale, pink felsic rock with lower density than most igneous rocks.
Description:
Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.
Description:
Diorite is a mix of dark pyroxene and light andesine provides perfect representation of an intermediate igneous rock.
Description:
Gabbro is Mafic igneous rock formed deep underground consisting of olivine and pyroxene.
Description:
Fine to medium-grained with biotite.
Description:
Medium-grained with biotite.
Description:
Dark gray, composed mostly of pyroxene and olivine.
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