"STEM kits"
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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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Ward's Science Essentials® Phyllite
Clearance
Phyllite is a light-gray foliated rock formed from metamorphosed slate.
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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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