# Diamond rejects

Pyanodons item · internal name `diamond-reject` · stack size 100 · first craftable in tier 5 (Chemical science pack, [tier 5](https://factorio.kalzumeus.com/tier/5.md))
HTML page: https://factorio.kalzumeus.com/item/diamond-reject/

## Produced by (3 recipes)

### Diamond concentrate (`diamond-concentrate`)

- 15 s · tier 5
- Ingredients: 100 × [Diamond tailings](https://factorio.kalzumeus.com/fluid/diamond-tailings.md), 100 × [Soda ash regeneration solution](https://factorio.kalzumeus.com/fluid/soda-ash.md)
- Results: 150 × [Diamond concentrate](https://factorio.kalzumeus.com/fluid/diamond-concentrate.md), 15 × [Diamond rejects](https://factorio.kalzumeus.com/item/diamond-reject.md), 200 × [Muddy sludge](https://factorio.kalzumeus.com/fluid/muddy-sludge.md)
- Made in: Centrifugal pan MK 01, Centrifugal pan MK 02, Centrifugal pan MK 03, Centrifugal pan MK 04
- Unlocked by: [Diamond mining](https://factorio.kalzumeus.com/tech/diamond-mining.md)

### Screening kimberlite residues (`screening-kimberlite-residue`)

- 10 s · tier 5
- Ingredients: 10 × [Kimberlite residues](https://factorio.kalzumeus.com/item/kimberlite-residue.md)
- Results: 8 × [Diamond rejects](https://factorio.kalzumeus.com/item/diamond-reject.md), 2 × [Gravel](https://factorio.kalzumeus.com/item/gravel.md)
- Made in: Automated screener MK 01, Automated screener MK 02, Automated screener MK 03, Automated screener MK 04
- Unlocked by: [Diamond mining](https://factorio.kalzumeus.com/tech/diamond-mining.md)

### Lime (`kimberlite-into-lime`)

- 10 s · tier ?
- Ingredients: 10 × [Kimberlite (grade 3)](https://factorio.kalzumeus.com/item/kimberlite-grade3.md)
- Results: 5 × [Lime](https://factorio.kalzumeus.com/item/lime.md), 0.5 × [Diamond rejects](https://factorio.kalzumeus.com/item/diamond-reject.md) (50% chance)
- Made in: Jaw crusher MK 01, Jaw crusher MK 02, Jaw crusher MK 03, Jaw crusher MK 04
- Unlocked by an upgrade choice (script), not research

## Used in (2 recipes)

- Recrush diamond rejects (`diamond-rejects-recrushing`, tier 5) → [Kimberlite (grade 2)](https://factorio.kalzumeus.com/item/pure-kimberlite-grade2.md)
- Screening diamond rejects (`diamond-rejects-screening`, tier 5) → [Processed rejects](https://factorio.kalzumeus.com/item/processed-rejects.md)