Across
- 4. Green copper carbonate mineral.
- 6. Also called “fool’s gold” due to shiny look.
- 8. Mineral that reacts with acid.
- 9. Soft mineral used in plaster.
- 12. Magnetic iron ore mineral.
- 14. Common mineral made of silicon dioxide.
- 15. Mineral similar to calcite, contains magnesium.
Down
- 1. Thin, sheet-like mineral with shiny surfaces.
- 2. Iron ore mineral, reddish-brown color.
- 3. Copper ore mineral.
- 5. Very soft mineral, used in talcum powder.
- 7. Fluorescent mineral, often found in colorful crystals.
- 10. Main ore of aluminum.
- 11. Group of rock-forming minerals.
- 13. Group of silicate minerals used as gemstones.