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Rock Specimens
Catalog Number:
(470025-266)
Description:
Developed by the National Association of Geology Teachers
Catalog Number:
(470026-266)
Description:
Dark, waxy, bitumin-rich.
Catalog Number:
(470025-908)
Description:
A sawn and lacquered slab of classic Precambrian banded layers of hematite (iron) and quartz. Average size: 3" x 4". Ontario, Canada.
Catalog Number:
(470025-092)
Description:
Ward's® Limestone (Dolomitic)
Description:
Hematite-cemented quartz; orthoquartzite.
Description:
Light gray, fine small clasts.
Description:
Buff, coarse, crystalline “Austin Marble” with shell casts and molds.
Description:
Pink Gneiss is foliated pink and black bands of biotite.
Catalog Number:
(470026-142)
Description:
Banded volcanic glass.
Catalog Number:
(470106-756)
Description:
<i>Includes</i>: six each of obsidian, pumice, and basalt. Set of 18.<BR><BR>Common rocks and minerals for testing and identification studies are 2–3cm each.
Description:
A Great Way to Begin Your Petrographic Studies
Description:
Coarse-grained plagioclase and pyroxene with some olivine.
Description:
Dark-green “verde antique”, containing some chlorite and calcite.
Description:
Coarse crystalline, carbonate.
Description:
Classic, dark; from the Columbia Plateau.
Description:
Obsidian is hard black colored, volcanic glass.
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