Calcite
“A large crystal of calcium carbonate.”
MembersTradeable (not for Ironmen)High alch 18 gp
Sources from the OSRS Wiki's drop, shop and recipe data (CC BY-NC-SA 3.0), checked 2026-10-09. Item sprite © Jagex.
As an Ironman: dropped by Ammonite Crab (level 25), sold at Petrified Pete's Ore Shop.
Monster drops
| Dropped by | Level | Quantity | Rarity |
|---|---|---|---|
| Ancient Zygomite | 109 | 1 | 18/118 |
| Spitting Wyvern | 139 | 2 | 2/123 |
| Taloned Wyvern | 147 | 2 | 2/123 |
| Long-tailed Wyvern | 152 | 2 | 2/123 |
| Ammonite CrabEasiest | 25 | 1 | 1/128 |
Best rates first, plus the lowest-level monsters that drop it.
Shops
- Petrified Pete's Ore Shop70 volcanic mine points
Other sources
Minigames, reward chests, clues, skilling and other non-combat sources.