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"PARKWAY PLASTICS, INC."

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Eisco® Leaf Structure Models

Eisco® Leaf Structure Models

Examine the various tissues in vascular bundles found in these vertical section of a dicot and Monocot leaves.

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Compound Hand Magnifier

Compound Hand Magnifier

Two or more magnifiers may be snapped together to produce increased magnification and to illustrate the principles of compound lenses.

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Ward's® Marble (Pink)

Ward's® Marble (Pink)

Pink/gray coarse carbonate rock.

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Ward's® Gypsum (Alabaster)

Ward's® Gypsum (Alabaster)

White, fine, massive, opaque to slightly translucent.

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Ward's® Azurite

Ward's® Azurite

Bright blue crystalline veins and coatings in a matrix of mixed copper ore.

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Galena

Galena

Bright metallic cubic cleavages; lead ore.

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Ward's® Olivine (Fine)

Ward's® Olivine (Fine)

Nearly pure, green crystalline forsterite.

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Ward's® Gabbro

Ward's® Gabbro

Coarse-grained plagioclase and pyroxene with some olivine.

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Ward's® Basalt (Flood)

Ward's® Basalt (Flood)

Classic, dark; from the Columbia Plateau.

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Ward's® Rhyolite (Pink)

Ward's® Rhyolite (Pink)

Pale pink felsite, with small sanidine phenocrysts.

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Ward's® Granite (Porphyritic)

Ward's® Granite (Porphyritic)

Coarse-grained, with microcline, biotite and horblende phenocrysts.

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Ward's® Landfills and the Environment Lab Activity

Ward's® Landfills and the Environment Lab Activity

Students Work with Miniature Landfills in Hands-On Investigation

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Ward's® Quartz (Milky)

Ward's® Quartz (Milky)

White, massive, coarse crystalline vein, Mohs’ hardness of 7.

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Ward's® Shale (Oil)

Ward's® Shale (Oil)

Brownish gray, kerogen-rich; commercial oil source.

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Ward's® Slate (Dark Gray)

Ward's® Slate (Dark Gray)

Chlorite-mica with perfect slaty cleavage.

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Ward's® Quartz (Chert)

Ward's® Quartz (Chert)

Light gray, compact, hard, opaque, microcrystalline silica mineral.

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