Pyrophosphite
“A phosphate rich mineral dust.” — in-game examine
Current Price
219 gp
Live price
Market
Buy Price
219 gp
Sell Price
115 gp
Margin
104 gp
Tax
-4 gp
ROI
+86.96%
24h Volume
4,995
Buy Limit
13,000
Alchemy
High Alch
18 gp
High Alch Profit
-347 gp
Low Alch
12 gp
Low Alch Profit
-353 gp
Shop Value
30 gp
219 gp+26.6%in period
About Pyrophosphite
Pyrophosphite is a members-only phosphate-rich mineral dust used together with calcite on a mycelium pool to recalcify fossils into enriched bones, which then feed the eastern strange machine in the House on the Hill for Prayer experience. It drops from monsters across Fossil Island, can be mined from boulders inside the Volcanic Mine, or bought at Petrified Pete's Ore Shop for 70 points each. Its listed value is 30 coins.
Pyrophosphite Daily Price History
| Date | Avg Buy | Avg Sell | Volume |
|---|---|---|---|
| 2026-09-07 | 205 | 83 | 4,995 |
| 2026-09-06 | 186 | 89 | 5,492 |
| 2026-09-05 | 88 | 86 | 4,793 |
| 2026-09-04 | 203 | 90 | 5,902 |
| 2026-09-03 | 203 | 96 | 2,683 |
| 2026-09-02 | 224 | 87 | 8,583 |
| 2026-09-01 | 105 | 93 | 3,269 |
| 2026-08-31 | 130 | 88 | 3,537 |
| 2026-08-30 | 166 | 77 | 9,919 |
| 2026-08-29 | 229 | 110 | 2,668 |
| 2026-08-28 | 160 | 75 | 2,484 |
| 2026-08-27 | 126 | 58 | 2,258 |
| 2026-08-26 | 81 | 53 | 19,378 |
| 2026-08-25 | 168 | 59 | 1,784 |
| 2026-08-24 | 77 | 50 | 3,426 |
| 2026-08-23 | 197 | 86 | 17,811 |
| 2026-08-22 | 215 | 99 | 3,295 |
| 2026-08-21 | 167 | 117 | 2,890 |
| 2026-08-20 | 166 | 87 | 4,754 |
| 2026-08-19 | 219 | 92 | 3,457 |
| 2026-08-18 | 104 | 86 | 14,376 |
| 2026-08-17 | 216 | 99 | 11,848 |
| 2026-08-16 | 220 | 120 | 6,292 |
| 2026-08-15 | 138 | 94 | 4,579 |
| 2026-08-14 | 225 | 86 | 9,882 |
| 2026-08-13 | 195 | 91 | 3,007 |
| 2026-08-12 | 474 | 90 | 4,393 |
| 2026-08-11 | 237 | 101 | 3,759 |
| 2026-08-10 | 352 | 157 | 7,761 |
| 2026-08-09 | 671 | 110 | 2,948 |
