EISCO Raw Basalt, Igneous Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms
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EISCO Basalt Specimen (Igneous Rock), Approx. 1" (3cm)
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EISCO 6PK Raw Rhyolite, Igneous Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack
from $19.99
EISCO Andesite Specimen (Igneous Rock), Approx. 1" (3cm)
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EISCO Rhyolite Specimen (Igneous Rock), Approx. 1" (3cm)
Aphanitic
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EISCO Andesite Specimen (Igneous Rock), Approx. 1" (3cm) - Pack of 12
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