"WardsSci000756"
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Ward's Science Essentials® Shale
Shale is a rich, gray fissile clay rock.
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Ward's Science Essentials® Phyllite
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Phyllite is a light-gray foliated rock formed from metamorphosed slate.
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Ward's Science Essentials® Bituminous Shale
Bituminous rich black shale for hands-on investigations.
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Ward's Science Essentials® Talc
Talc is the softest know mineral with a moh's hardness of 1, and composed of clay.
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Ward's Science Essentials® Sandstone
Red clastic rock composed of sand sized particles and hematite.
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Ward's Science Essentials® Granite
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Porphyritic igneous rock containing biotite, feldspar, and hornblende.
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Ward's® Science Essentials® Pegmatite
Pegmatite is igneous rock similar to granite but with larger crystals.
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Ward's Science Essentials® Pumice
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Pumice is light colored glassy rock that floats in water.
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Ward's Science Essentials® Conglomerate
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Conglomerate is a sedimentary rock made up rounded quartz pebbles.
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Ward's Science Essentials® Scoria
Clearance
Scoria is a dark-colored rock formed from lava with a high gas content.
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