Firework Star has no recipe in EMI and Firework Rocket only has the simplest version of the recipe.

List of what each of the missing recipes can contain:

Firework Rocket:

• 1 Paper
• 1-3 Gunpowder
• 0-7 Firework Star

Firework Star:

• 1 Gunpowder
• 1-8 Dye
• 0-1 Shape effect item (head, gold nugget, feather or fire charge)
• 0-1 Diamond
• 0-1 Glowstone

Firework Star (Faded Color):

• 1 Firework Star
• 1-8 Dye