Across
- 5. There are three types of rocks, find the missing rock type: Metamorphic, Sedimentary, and _________.
- 6. A special machine to polish and refine rock into gems.
Down
- 1. The name turquoise is a French word derived from this country's name. I'm hungry...
- 2. The name of the special effect of light and color appearing inside a gem.
- 3. You are standing on this layer of the Earth right now!
- 4. This variant of quartz takes its name from a beautiful flower.
- 7. When this red colored gem is clear and vibrant, it can be worth more than diamond.