CrosswordMint
Arcane Treasures of Prismatic Rarities
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Fibrous asbestos variant, a serpentine mineral known for its silky sheen
  • 2. Metamorphic gem famous for trichroism, named after a Spanish region
  • 3. Arsenic sulfide mineral historically used as a pigment, striking orange
  • 4. Transparent gypsum variety named after the Greek goddess of the moon
  • 6. Exotic gem named from an old Arabic name for Sri Lanka, complex silicate
  • 8. Epidote group member, sometimes gem-quality and violet-hued
  • 10. California’s rare barium titanium silicate, named after its discovery locale
  • 14. Amphibole silicate often fibrous, sometimes forming rare translucent crystals
  • 17. Rare beryllium aluminum silicate, admired for brilliance and toughness
Down
  • 5. Manganese-rich garnet variant with vivid orange to reddish tones
  • 7. Metamorphic aluminum silicate noted for its varying hardness directions
  • 9. Rare zeolite mineral, named after a pioneering mineralogist
  • 11. Gemstone famed for its axe-shaped crystals, often a violet-brown shade
  • 12. ‘Water sapphire’ known for pleochroism, ancient vikings’ navigational aid
  • 13. Neon-blue copper-bearing tourmaline from Brazil, coveted ultra-rare treasure
  • 15. The puzzling ‘raspberry spinel’ mineral, often mistaken for other gems
  • 16. Liddicoatite’s lesser known green spodumene cousin, named after a mine
  • 18. Synthetic diamond simulant, but nature’s cubic zirconium oxide it isn’t

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