Black tourmaline core
| Members | Yes |
|---|---|
| Grand Exchange | 643,557 gp |
| Buy limit | 5 per 4 hours |
| Shop value | 41,500 gp |
| High alchemy | 24,900 gp |
| Item id | 21730 |
Black tourmaline core is a members item.
How to obtain
Monster drops
| Monster | Quantity | Base rate | Here | Notes |
|---|---|---|---|---|
| Grotesque Guardians | 1 | 1/500 | 1/333 |
Grand Exchange
Tradeable players can buy it on the Grand Exchange for about 643,557 gp each. Ironmen cannot use the Grand Exchange.
Generated from the game data at every release.