1: Iridescent stone contains quirk having to do with vision (7)
2: One final, huge Greek goddess (3)
3: Part turning two ways (5)
4: Bird dog bites boisterous lad (4,5)
5: Leaving firm when dating (5,6)
6: Perfect conviction ends trial (5)
7: Shelter Dracula's heart - he's representing blood-suckers (7)
9: Something that may move a hammer to engineer a murder (7)
12: No hefty role at sea for ship-launcher (5,2,4)
15: Flooded out and united (9)
16: No saint takes strong drink as a remedy (7)
17: Judges playing conkers? (7)
18: Revolver pointing up and down (7)
20: Trains without commanding officer and suffers (5)
22: Identifies men as displaced - best not to be one at 34's (5)
24: Without it, set call for recompense (3)