"WardsSci000478"
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Bowen's Reaction Series Mineral Collection
Specimens illustrate important stages of mineral formation.
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Ward's Science Essentials® Granite
Clearance
Porphyritic igneous rock containing biotite, feldspar, and hornblende.
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Ward's Science Essentials® Pumice
Clearance
Pumice is light colored glassy rock that floats in water.
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Ward's Science Essentials® Conglomerate
Clearance
Conglomerate is a sedimentary rock made up rounded quartz pebbles.
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Ward's® Science Essentials® Dolomite
White to gray, medium to coarse-grained, crystalline.
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Ward's Science Essentials® Gray Slate
Clearance
Gray metamorphosed shale showing "slaty cleavage".
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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® Oligoclase
Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.
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Ward's Science Essentials® Graphite
Clearance
A textbook example of pure crystalline carbon which is extermely soft.
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Ward's Science Essentials® Quartzite
Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.
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