The tanzanite fang is obtained from killing Zulrah. It can be used with a chisel to create the toxic blowpipe, requiring 53 Fletching and granting 120 experience.
Players can dismantle the fang to receive 20,000 Zulrah's scales, resulting in a loss of -1,896,861 coins.
- Tanzanite is a variety of the mineral zoisite, and is only found in the Mererani Hills in Northern Tanzania. The colour of the fang reflects the colour of the actual mineral.