Filters
"Freeze-Dried Specimens"
Filters
Gonioclymenia sp. (Devonian)
Highly polished ammonites showing fine sutures. Average size: 3 1/2 to 4" diameter. Morocco.
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Ward's® Limestone (Gray)
Fine, common limestone; massive, and will fizzle with HCl.
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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® Limestone
Limestone is a gray calcium carbonate that will fizz with dilute HCl.
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Ward's® Science Essentials® Pegmatite
Pegmatite is igneous rock similar to granite but with larger crystals.
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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® Red Slate
Slaty metamorphic rock containing hematite giving it its red color.
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Ward's Science Essentials® Fluorite
Fluorite is Green Halide mineral with moh's hardness 4.
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Ward's® Schist (Mica)
Foliated biotite, coarse, silvery gray with quartz-feldspar bands.
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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® Hornblende
Hornblende is a dark amphibole group mineral, perfect for teaching Bowen's reaction series.
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VARVED SHALE SPECIALTY ROCK SAWN SLAB
VARVED SHALE SPECIALTY ROCK SAWN SLAB
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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® Tufa
Carbonate rock formed by the precipitation from water.