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specimens
Description:
Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.
Description:
Scoria is a dark-colored rock formed from lava with a high gas content.
Description:
Gray metamorphosed shale showing "slaty cleavage".
Description:
Bituminous rich black shale for hands-on investigations.
Description:
Pink/grey marble colored metamorphosed carbonate rock.
Description:
Gray to tan clastic rock made of silt sized particles.
Description:
Rhyolite is a pale, pink felsic rock with lower density than most igneous rocks.
Description:
Porphyritic igneous rock containing biotite, feldspar, and hornblende.
Description:
Gray to white metamorphosed carbonate rock.
Description:
Coarse-grained, with microcline, biotite and horblende phenocrysts.
Description:
Brownish gray, kerogen-rich; commercial oil source.
Description:
Red-brown to gray, coarse-grained, containing feldspar and mica.
Description:
Dark-green “verde antique”, containing some chlorite and calcite.
Description:
Dark, coarse-grained, and composed chiefly of hornblende.
Description:
Light gray, earthy.
Description:
Fine crystalline, pure calcite.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the is still displayed and you need assistance, please call us at 1-800-962-2660.
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