"WardsSci000764"

Gabbro is Mafic igneous rock formed deep underground consisting of olivine and pyroxene.

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

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Porphyritic igneous rock containing biotite, feldspar, and hornblende.

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

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Pumice is light colored glassy rock that floats in water.

Conglomerate is a sedimentary rock made up rounded quartz pebbles.

Muscovite is a mica mineral cut to demonstrate basal cleavage.

Pink Gneiss is foliated pink and black bands of biotite.

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Kaolin is a white clay mineral that has vast industrial uses

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Metamorphosed rock showing foliation and rich in hornblende.