Rock Set Basic; 12 Samples
Basic Rock Set12 samples supplied in a Gratnell
tray.Comprising:1. Oolitic Limestone
2. Chalk3. Marble
4. Gneiss5. Andesite
6. Basalt7. Pumice
8. Coal9. Sandstone
10. Slate11. Granite
12. Garnet gneiss
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