"WardsSci000450"
Ward's® Gabbro (Hornblende)
Supplier: Avantor
Dark gray, with hornblende as the dominant mafic mineral.
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Ward's® Granite (Gray)
Supplier: Avantor
Fine to medium-grained with biotite.
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Ward's® Snowflake Obsidian (Cristobalite), Student Specimens
Supplier: Avantor
Volcanic glass with snowflakes embedded throughout.
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Ward's® Granite (Porphyritic)
Supplier: Avantor
Coarse-grained, with microcline, biotite and horblende phenocrysts.
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Ward's® Obsidian
Supplier: Avantor
Shiny black volcanic glass showing conchoidal fracture and some spherulites.
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Ward's® Anorthosite
Supplier: Avantor
Coarse grained and abundant in plagioclase feldspar.
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Ward's® Gabbro
Supplier: Avantor
Coarse-grained plagioclase and pyroxene with some olivine.
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Ward's® Obsidian (Brown and Black)
Supplier: Avantor
Banded volcanic glass.
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Ward's® Diorite
Supplier: Avantor
Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.
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Ward's® Pegmatite
Supplier: Avantor
Classic, very coarse-grained igneous texture.
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Ward's® Peridotite (Coarse-Grained)
Supplier: Avantor
Dark gray, composed mostly of pyroxene and olivine.
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Ward's® Basalt (Flood)
Supplier: Avantor
Classic, dark; from the Columbia Plateau.
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Ward's® Basalt (Vesicular)
Supplier: Avantor
Dark gray with abundant gas pocket vesicles.
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Catalog #: CA21905-026
Supplier: Kimberly-Clark