"STEM kits"
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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® Anorthosite
Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.
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Ward's Science Essentials® Quartzite
Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.
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Ward's Science Essentials® Sandstone
Red clastic rock composed of sand sized particles and hematite.
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