"STEM kits"
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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® Soapstone
Soapstone is a talc-schist primarily composed of talc.
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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® Scoria
Clearance
Scoria is a dark-colored rock formed from lava with a high gas content.
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Ward's Science Essentials® Serpentinite
Green colored rock formed from the metamorphism of ultramafic mantle rocks.
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