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Description: <i>Includes</i>: six each of obsidian, pumice, and basalt. Set of 18.<BR><BR>Common rocks and minerals for testing and identification studies are 2–3cm each.
Catalog Number: 470106-756
Supplier: VWR


Description: Banded volcanic glass.
Catalog Number: 470026-142
Supplier: VWR


Description: Obsidian is hard black colored, volcanic glass.
Catalog Number: 470226-412
Supplier: VWR


Description: Gray-to-brown basaltic, with over 50% vesicles.
Catalog Number: 470026-250
Supplier: VWR


Description: Coarse-grained, with microcline, biotite and horblende phenocrysts.
Catalog Number: 470026-026
Supplier: VWR


Description: Pale pink felsite, with small sanidine phenocrysts.
Catalog Number: 470005-180
Supplier: VWR


Description: Diorite is a mix of dark pyroxene and light andesine provides perfect representation of an intermediate igneous rock.
Catalog Number: 470226-428
Supplier: VWR


Description: Rhyolite is a pale, pink felsic rock with lower density than most igneous rocks.
Catalog Number: 470226-416
Supplier: VWR


Description: Gray, fine, friable, with abundant small sanidine crystal fragments.
Catalog Number: 470026-308
Supplier: VWR


Description: Glassy; most specimens float in water.
Catalog Number: 470026-168
Supplier: VWR


Description: Shiny black volcanic glass showing conchoidal fracture and some spherulites.
Catalog Number: 470026-138
Supplier: VWR


Description: Grayish black trap rock.
Catalog Number: 470025-918
Supplier: VWR


Description: Gabbro is Mafic igneous rock formed deep underground consisting of olivine and pyroxene.
Catalog Number: 470226-410
Supplier: VWR


Description: Anorthosite is an intrusive, igneous rock consisting of predominantly plagioclase feldspar.
Catalog Number: 470226-426
Supplier: VWR


Description: This kit introduces students to igneous rocks.
Catalog Number: 470016-502
Supplier: VWR


Description: Syenite a light-colored rock consisting of feldspars and hornblende.
Catalog Number: 470226-302
Supplier: VWR


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