Across
- 2. Gem family including emerald
- 4. Sanskrit word, “fire”; fiery gem vibe
- 7. Abbr. for topaz (common in grids)
- 9. Iridescent October birthstone
- 11. Black rock, symbolic in folklore
- 13. Crystal coating with rainbow shine
- 14. Fiery red gem of July
- 15. Nickname for Herkimer diamond
Down
- 1. Metallic element in crystals
- 3. Stone born from volcanoes
- 5. Shiny yellow precious metal
- 6. Short form of garnet (crossword-style)
- 8. Gem cut, also a fruit shape
- 10. Green stone of luck and peace
- 12. Black stone for protection