Print…Rock Specimens
Supplier:
Avantor
Description:
Coarse Sand
Supplier:
Avantor
Description:
Scoria is a dark-colored rock formed from lava with a high gas content.
Supplier:
Avantor
Description:
Samples of Intrusive and Extrusive Igneous Rocks
Supplier:
Avantor
Description:
Dark gray with abundant gas pocket vesicles.
Supplier:
Avantor
Description:
Represents a Wide Range of Depositional Environments and Rock Textures
Supplier:
Avantor
Description:
Porphyritic igneous rock containing biotite, feldspar, and hornblende.
Supplier:
Avantor
Description:
Lustrous, black 'hard coal'.
Supplier:
Avantor
Description:
Black, soft; most widely mined.
Supplier:
Avantor
Description:
Gray to buff, with numerous ooliths and fossil fragments.
Supplier:
Avantor
Description:
Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.
Supplier:
Avantor
Description:
Dolostone is a chemical sedimentary rock consisting of magnesium and calcium
Supplier:
Avantor
Description:
Everything You Need to Organize Your Specimens
Supplier:
Avantor
Description:
Dense Dolostone.
Supplier:
Avantor
Description:
Dark gray, composed mostly of pyroxene and olivine.
Supplier:
Avantor
Description:
Coarse-grained, with microcline, biotite and horblende phenocrysts.
Supplier:
Avantor
Description:
Gray, fine to medium-grained “Berea grit”.
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is still displayed and you need assistance, please call us at 1-800-932-5000.
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