Across
- 1. Popular boy's name meaning "little fire"
- 6. Natural volcanic glass
- 7. Flour and fat mixture used to thicken gravy
- 8. Square or bowline, for example
- 10. Scout's water bottle
- 13. 16th-century co-founder of the Jesuits
- 14. To heat water to 212 degrees
- 15. Roxy Music's "Non-Musician" or soundscape pioneer
- 16. Scale used to measure mineral hardness
- 18. River of the underworld or the "Lady" quintet from Chicago
- 19. The "Hottest Band in the World" known for Pyrotechnics
- 21. Name combining a heavenly messenger with a tribute to Magdalene
- 22. Band that performed the "Best Live Set Ever" at Wembley, 1985
- 23. Gazpacho or Minestrone
- 25. Speckled igneous rock
- 27. To remove the skin of a potato
- 28. Table partner of 74-Across
- 31. Molten rock beneath the Earth's surface
- 32. "On my honor, I will do my best..."
- 34. Initial rank for a new Scout
- 36. The Swedish quartet whose name is a palindrome
- 38. Coleridge's "stately pleasure-dome"
- 39. Actress Headey of "Game of Thrones"
- 43. Kind of badge for lifesaving or cooking
- 45. Band whose name was inspired by a sewing machine's power label
- 48. Porous rock that floats on water
- 49. Metamorphic rock that sounds "pleasant"
- 51. Magma that has reached the surface
- 52. Most abundant mineral in Earth's crust
- 53. Herb often paired with poultry
- 55. Early Roman tax collector
- 56. Common crystal found in granite
- 60. The softest mineral on the 1-10 scale
- 61. Biblical garden of paradise
- 62. The most common seasoning
- 64. The "Jeff Lynne" project known for orchestral hooks
- 65. The poet hero of Puccini's "La Boheme"
- 66. Metamorphic rock with visible layers
- 67. Mineral deposit mined for profit
Down
- 1. Licorice-flavored seed
- 2. The Hoople who got their biggest hit from David Bowie
- 3. Mineral that peels into thin, shiny sheets
- 4. Salty water used for pickling
- 5. Mythological founder of the Boeotian city Orchomenus
- 9. Large international Scouting gathering
- 11. A reliable person who "carries on"
- 12. Sedimentary rock that splits into thin layers
- 14. To cook in an oven
- 17. Material for a stretchy superhero suit
- 18. To fry quickly in a little hot fat
- 20. Rock used for old-fashioned school boards
- 23. Slow-cooked meat and veggie dish
- 24. Stone used by Scouts to start a fire
- 26. Rocky Balboa's wife
- 29. Volcanic rock often found in hexagonal columns
- 30. Paul Weller's mod-revival trio
- 33. Band led by the Wilson sisters, Ann and Nancy
- 34. "Chicken of the Sea"
- 35. Structure of a souffle
- 37. The "Thin White Duke" or Major Tom's creator
- 40. Highest rank attainable in Scouting America
- 41. The "fifth taste" found in soy sauce
- 42. The colorful outer peel of citrus fruit
- 44. Former flames or romantic partners
- 46. Fat that rises to the top of milk
- 47. Pungent spice used in hams
- 48. Small unit of Scouts within a troop
- 50. Mother of 100 sons in Nart folklore
- 54. The "Bad Boys from Boston"
- 57. Award earned for mastering a specific skill
- 58. Rock formed from cooled lava
- 59. The "Energy Dome" wearers from Akron
- 63. Hollow rock with a crystal interior
- 65. Canadian power trio featuring Peart, Lee, and Lifeson