1 cantaloupe (peeled, seeded, and cut into 2-inch cubes, about 3 cups)
3 cups Ice cubes
1/4 cup fresh lemon juice
1/2 cup superfine sugar
2/3 cup tequila
1 tablespoon limoncello liqueur
1 lemon (cut into 4 wedges)
  Kosher salt or granulated sugar (for rimming glasses)
4 Fresh mint sprigs (as garnish)