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Pyrophosphite detail.png

Pyrophosphite is an item that is used with calcite on a mycelium pool in order to recalcify fossils into enriched bones, which are used on the eastern strange machine in the House on the Hill to gain Prayer experience.

It is dropped by monsters found on Fossil Island, and can be mined from boulders inside the Volcanic Mine. It can also be purchased for 70 points each from Petrified Pete's Ore Shop.

Item sources[edit | edit source]

For an exhaustive list of all known sources for this item, see here (include RDT).
SourceLevelQuantityRarityTrailblazer regions
Ammonite Crab25 Multicombat.png11/128Misthalin
Ancient Zygomite109 Multicombat.png11/6Misthalin
Long-tailed Wyvern152 Multicombat.png22/123Misthalin
Spitting Wyvern139 Multicombat.png22/123Misthalin
Taloned Wyvern147 Multicombat.png22/123Misthalin

Shop locations[edit | edit source]

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in stock
sold at
bought at
Members?Trailblazer region
Petrified Pete's Ore ShopVolcanic Mine70N/AMember icon.pngMisthalin Misthalin

Trivia[edit | edit source]