1: Quartz varieties

6: Metric foot

10: Fancy-schmancy

14: Playful sprite

15: Trade agreement

16: Mercury or Saturn

17: Flying solo

18: Prospector's bonanza

19: Name on the marquee

20: Altered, in a way

22: Little gull

23: 'I've ___ it up to here!'

24: Impales

25: Propaganda target

29: Be an omen of

32: Borders

33: Rubbed the wrong way

37: Marginally sufficient

38: Cake cover

39: Stand on the corner?

40: Ability without difficulty

42: More dry and withered

43: Musical dedicated to a dancer

44: Surgically remove

45: Flare out

48: Stick on a table

49: Informal voucher

50: Tough workplaces

57: Impetuous

58: Finder's cries

59: Fearful request by the IRS, to some

60: Get an eyeful

61: Type of belly and barrel

62: Emulated Emerson

63: Whitetail buck

64: Lacking, along the Loire

65: Soda insert

1: October birthstone

2: Fortune

3: Neural fiber

4: Heather

5: Boils

6: Had an off day?

7: Many millennia

8: Assured of success

9: Ran in the wash

10: Fathers' offices

11: Like some garments

12: Gaze fixedly

13: They may be locked or blown

21: Suffers from

24: Place for a feeling

25: Cass Elliot, once

26: All tucked in

27: 'Natch!'

28: Johnny Cash, to Carlene Carter

29: Come to mind

30: Java vessels

31: Job for the Blues Brothers

33: Keeps cold

34: Weight allowance

35: Firm head

36: Political gossip, at times

38: November winners

41: Diminutive dog

42: Vacillates

44: Same-old-same-old

45: Young codfish

46: Suffix meaning 'eater'

47: Tightly-twisted thread

48: Port containers

50: Dupes

51: 'Hold your horses!'

52: Make money

53: Injure

54: Skunk's funk

55: Sandwich bread

56: Hearty meal