EISCO Raw Scoria, Igneous Rock Specimen - Hand Sample - Approx. 3" - Geologist Selected & Hand Processed - Great for Science Classrooms

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상품 특징

• SCORIA | Scoria forms as spatter from bubbly, mafic lava is thrown into the air and cooled quickly. The crystallization happens so quickly that large air pockets are trapped within the rock, often giving samples a jagged, sharp appearance
• GREAT FOR GEOLOGY CLASSROOMS | A good example of pyroclastic material. Can be used in a variety of igneous classification exercises
• GEOLOGIST SELECTED | Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features
• LOCALLY PROCESSED | Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY
• INDIVIDUALLY PACKAGED & LABELED | Each specimen sample is packaged in a transparent bag, and is labeled & barcoded for easy identification

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