Ingredients
1  10-ounce package frozen raspberries, thawed
2-1/4  cups unsweetened pineapple juice, chilled
1  cup peach or apricot nectar, chilled
1/4  cup lemon juice
2  cups carbonated water, chilled
12   frozen unsweetened peach slices
 

Directions
1. Place thawed raspberries in a wire strainer. Press the berries firmly with the back of a large spoon until berries are crushed and only the seeds are left in the strainer. Discard seeds. 

2. In a punch bowl stir together sieved raspberries, pineapple juice, peach or apricot nectar, lemon juice, and carbonated water. Float frozen peach slices in bowl. Makes 12 (4-ounce) servings.
 
Make-Ahead Tip: Sieve raspberries; stir together ingredients except carbonated water. Cover and chill up to 6 hours. Add carbonated water and serve as above.

Source:  Better Homes & Gardens