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Chromatic Rarities: Enigmatic Gemstone Lexicon
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Color-shifting chrysoberyl linked to Russian tsars
  • 2. Traditional deep red silicate with historic ties
  • 3. Sphalerite’s gem-quality ZnS, rarely used but brilliant
  • 4. Pleochroic marvel named for its Spanish provenance
  • 6. Adularescent gem associated with lunar legends
  • 13. Pyroelectric crystal with spectrum colors aplenty
  • 14. Fiery orange variant of spessartine garnet
  • 17. Misleadingly named gem, a zirconous heavy oxide
  • 18. Exotic blue-green rare variety of diopside
Down
  • 5. Octahedral deceiver once mistaken for ruby
  • 7. Triclinic borosilicate noted for complex crystal habits
  • 8. Cat’s eye effect bearer, rarely green to yellow
  • 9. Tenebrescent sodalite that changes color on light exposure
  • 10. Cornflower blue corundum prized by royalty
  • 11. Zoisite’s rare blue-violet gem discovered near Kilimanjaro
  • 12. Rare blue barium titanium silicate from California
  • 15. Red to pink tourmaline subtype admired by collectors
  • 16. Imperial variety glows golden, prized in ancient empires
  • 19. Distinct blue pleochroic gemstone with violet hues
  • 20. Pink to lilac spodumene, discovered by a gemologist

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