GEOLOGICAL SPECIMENS ROCKS IN A BAG IGNEOUS PACK/6

• EN1970-01

The Igneous Rock Bag is an economy collection of 6 commonly known igneous rocks. Igneous rocks are formed by the cooling of molten rock, either magma or lava. Each generous specimen is 11/4" to 1 1/2" and is contained in a zip lock bag with a label.

IGNEOUS ROCKS
PUMICE - DARK VOLCANIC APPEARANCE, VESICULAR ROUGH TEXTURE
OBSIDIAN - BLACK, GLASSY
RHYOLITE - LIGHT COLOURED, POSSIBLE BANDING
BASALT - DARK COLOURED, FINE GRAINED
GABBRO – DARK COLOURED, LARGE, EVIDENT CRYSTALS
GRANITE – SMALL, EVEN SIZED SPECKLES OF LIGHT AND DARK

*samples may change from time to time

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