You searched for: Igneous Rocks
Pumice (Light Gray)
Supplier: Avantor
Glassy; most specimens float in water.
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Ward's® Rhyolite (Pink)
Supplier: Avantor
Pale pink felsite, with small sanidine phenocrysts.
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Granite (Porphyritic)
Supplier: Avantor
Coarse-grained, with microcline, biotite and horblende phenocrysts.
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Ward's® Diorite
Supplier: Avantor
Coarse, “salt and pepper”: dark pyroxene and light andesine.
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Ward's® Andesite (Porphyry)
Supplier: Avantor
Gray andesite with large, blocky hornblende phenocrysts.
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Ward's® Tuff (Rhyolitic)
Supplier: Avantor
Gray, fine, friable, with abundant small sanidine crystal fragments.
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Ward's® Obsidian
Supplier: Avantor
Shiny black volcanic glass showing conchoidal fracture and some spherulites.
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Ward's® Science Essentials® Andesite
Supplier: Avantor
Introduce your students to Gray Andesite with large phenocrysts of hornblende.
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Supplier: Thermo Fisher Scientific
$170.20
Supplier: Kimberly-Clark
$33.99 to $322.20
Supplier: Kimberly-Clark
$55.13 to $522.67