"Freeze-Dried Specimens"

Ward's® Dike Rock

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Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.

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Limestone is a gray calcium carbonate that will fizz with dilute HCl.

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Pegmatite is igneous rock similar to granite but with larger crystals.

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Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.

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VARVED SHALE SPECIALTY ROCK SAWN SLAB

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Red clastic rock composed of sand sized particles and hematite.

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Soapstone is a talc-schist primarily composed of talc.

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Green colored rock formed from the metamorphism of ultramafic mantle rocks.

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Fine, common limestone; massive, and will fizzle with HCl.

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