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Mineral+Specimens
Catalog Number:
(470226-462)
Description:
Introduce your students to rocks formed from the cooling of magma and lava.
Catalog Number:
(470226-466)
Description:
Introduce your students to rocks formed metamorphism of other rocks.
Description:
Dark gray, with hornblende as the dominant mafic mineral.
Description:
Gray andesite with large, blocky hornblende phenocrysts.
Description:
Quartzite (Green), Hand Specimen, Each
Description:
Gray, fine, friable, with abundant small sanidine crystal fragments.
Description:
Coarse-grained, with microcline, biotite and horblende phenocrysts.
Description:
Dense Dolostone.
Description:
Classic, very coarse-grained igneous texture.
Description:
Grayish black trap rock.
Description:
Medium-grained with biotite.
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:
Black, fissile; commonly with carbonized fossil plant impressions.
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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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