Rocks and Minerals
Across
- 5. atomic number of 78
- 7. mineral form of calcium fluoride
- 8. orange resin featured in Jurassic movies
- 9. rock type formed by cooled magma in the earth's crust
- 11. pale-blue to light-green variant of beryl
- 13. au
- 14. most stable polymorph of calcium carbonate
- 15. hard crystalline material
- 17. lilac variant of quartz
- 18. reddish element that is an unusually good conductor
- 19. rare mineral in the game Minecraft
Down
- 1. stone composed of tiny silicate grains
- 2. soft sulfate mineral composed of calcium sulfate dihydrate
- 3. mineral with the IMA symbol of Amp
- 4. is commonly known as the best conductor
- 5. fool's gold
- 6. type of rock formed by extreme pressures causing transformation without melting
- 10. sediment composed of mostly calcium carbonate
- 12. a popular movie about a man made of this
- 16. material used in homes, buildings, and monuments