Mineral and Rocks specimen

Specifications

Mineral and Rocks(18Kinds)   Small size            

1. Hematite 2. Talc 3. Magnetite 4.Quartz 5. Orthoclase 6. Graphite 7. Granite 8. Pyrite 9. Gritstone 10. Muscovite 11. Shale 12. Calcite 13. Slate 14. Marble 15. Obsidian 16. Gypsum 17. Basalt 18. Kaolinite