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Roches métamorphiques
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® Gneiss (Gray Banded)
White and black bands of quartz, feldspar, and biotite; typical foliation.
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Ward's® Gneiss (Pink Banded)
Pink and gray bands, with biotite; shows good foliation.
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Ward's® Marble (Coarse White)
Gray to white, coarse crystalline, carbonate rock.
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Ward's® Schist (Mica)
Foliated biotite, coarse, silvery gray with quartz-feldspar bands.
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Ward's® Skarn
White, very dark green, and very dark red to light red granoblastic intergrowth of wollastonite, diopside, and andradite.
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Ward's® Amphibolite
Dark, coarse-grained, and composed chiefly of hornblende.