Is this real or dyed red coral?

Fakes & Frauds : Are these real or fake red coral

Dogbone Red Coral (Dyed) Beads 3.5x6mm, Sold By 1 Strand(8)

Rondelle Red Coral (Dyed) Beads 2.5x4mm

Coral

Dyed Turquoise Nuggets? Sterling Clasp Bracelet Help, please

Dyed Jade Coral Red 8mm

8mm Turquoise Red (Synthetic/Dyed) Beads 15-16 Strand – i-Bead Inc.

Is this real or dyed red coral?

coral