Across
- 4. amplifies power
- 8. primary source of tin
- 10. source of tungsten
- 12. largest % of the phone
- 16. source of many rare earth metals
- 17. conducts electricity (not mined in its name)
- 18. rechargeable batteries
- 21. source of audio materials
- 23. color, sound, vibration and circuits (d)
- 25. bananas
- 27. source of gallium
- 28. medieval cutlery
- 29. sound, vibration and color (t)
Down
- 1. silicon dioxide
- 2. source of silver
- 3. naturally occurring, inorganic, crystalline material
- 5. polishing only (c)
- 6. AKA quartz
- 7. color and polishing (p)
- 9. creates the screens conductive coating
- 11. cicurts, speakers and vibration (n)
- 13. transparent material (also not mined in its name)
- 14. expensive silverish plating
- 15. color, circuits and sound (g)
- 19. pencil core
- 20. source of lithium
- 22. color only (e)
- 24. color, polishing, circuits (y)
- 26. creates the screens color (y)