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Rock Specimens

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Rock specimens are useful for studying textures, grain sizes, and other features altered by pressure, temperature, and other natural forces. Different select categories of rock specimens are available for purchase as well, including metamorphic, igneous, and sedimentary rocks. Sets of rock specimens are housed in compartmentalized collection boxes, with descriptions of each specimen printed for easy confirmation of identification. These rock specimens are carefully selected to be the highest quality to provide students with a suitable introduction to earth materials and their characteristics.

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Ward's® Granite (Gray)

Description: Fine to medium-grained with biotite.

Ward's® Siltstone

Description: Gray to brown mudstone with abundant silt.

Ward's Science Essentials® Gray Slate

Description: Gray metamorphosed shale showing "slaty cleavage".

Ward's® Limestone (Oolitic)

Description: Gray to buff, with numerous ooliths and fossil fragments.

Catalog Number: (470026-298)

Ward's® Skarn

Retrieving Each

Description: White, very dark green, and very dark red to light red granoblastic intergrowth of wollastonite, diopside, and andradite.

Catalog Number: (470025-904)

Ward's® Cross-bedded Sandstone

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Description: Sawn and lacquered slab showing thinly bedded truncated layers in a well-cemented sandstone. Large hand specimen.

Ward's Science Essentials® Coquina

Description: Coquina is variety of limestone made up of shell fragments.

Ward's® Sandstone (White)

Description: Well-cemented, medium-grained orthoquartzite.

Catalog Number: (470106-752)

Sedimentary Rock Set of 18

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Description: Includes: six each of conglomerate, sandstone and shale. Set of 18.<BR><BR>Common rocks and minerals for testing and identification studies are 2–3cm each.