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Ward's® Obsidian

Ward's® Obsidian

Shiny black volcanic glass showing conchoidal fracture and some spherulites.

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Ward's® Obsidian (Brown and Black)
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Pumice (Light Gray)

Pumice (Light Gray)

Glassy; most specimens float in water.

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Quartzite

Quartzite

Fightly cemented, medium-to-coarse quartz grains.

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Ward's® Rhyolite (Gray)

Ward's® Rhyolite (Gray)

Light gray, with flow structure.

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Ward's® Sandstone (Siliceous)

Ward's® Sandstone (Siliceous)

Gray, fine to medium-grained “Berea grit”.

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Ward's® Sandstone (Red)

Ward's® Sandstone (Red)

Hematite-cemented quartz; orthoquartzite.

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Ward's® Shale (Argillaceous)

Ward's® Shale (Argillaceous)

Typical green-gray, fissile, clay-rich.

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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 (Red)

Ward's® Slate (Red)

Slaty cleavage; contains hematite.

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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® GEO-Logic Types of Fossilization Topic Set

Ward's® GEO-Logic Types of Fossilization Topic Set

Define and compare ways organisms have been preserved.

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Moray Eel

Moray Eel

Formalin Preserved

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Ward's® Oligoclase

Ward's® Oligoclase

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

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Ward's® Calcite (Iceland Spar)

Ward's® Calcite (Iceland Spar)

Clear rhombs showing double refraction.

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Ward's® Corundum

Ward's® Corundum

Crystals and crystal sections up to 1", Mohs’ hardness of 9.

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