Across
- 3. gold color with greenish grey streak
- 5. smells like rotten egg
- 7. fizzes in acid
- 8. dodecahedron
- 9. K(Mg,Fe) 3(AlSi 3O 10)(F,OH) 2
- 10. common clay mineral
- 12. iron ore
- 13. purple halide
Down
- 1. SiO2
- 2. hardness of 9
- 4. fools gold
- 5. 6 cleavage planes
- 6. mineral used in cosmetics
- 11. hardness of 1