
Crystal tool seed
A seed to be sung into the best tools of the craft.
20,304,031gp
20,024,348gp
279,683gp
-126,397gp
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—
Price history
1 points · hover for detail
- 30D low
- 20,024,348
- 30D high
- 20,304,031
- Volatility
- 1.4%
Flip calculator
Includes the 2% Grand Exchange tax
-126,397gp
-126,397 per item · -0.63% ROI
Tax puts break-even at 20,433,008 gp.
- Capital required
- 20,024,348 gp
- Gross revenue
- 20,304,031 gp
- GE tax (2%, 406,080/item)
- − 406,080 gp
- Break-even sell
- 20,433,008 gp
Item data
- High alchemy
- 300,000 gp98.5% below market
- Low alchemy
- 200,000 gp
- Shop value
- 500,000 gp
- Weight
- 0 kg
- Stack / note
- Not stackable · noteable
- Released
- Jul 25, 2019
About Crystal tool seed
The Crystal tool seed is a members-only skilling resource in Old School RuneScape.
"A seed to be sung into the best tools of the craft"
Over the last 30 days it traded between 20,434,375 and 25,175,503 gp on the Grand Exchange, averaging 23,122,257 gp. About 155 units changed hands per day. The price is down 11.5% across that window. The Grand Exchange buy limit is 100 every 4 hours. Selling one at the average price costs 462,445 gp in Grand Exchange tax.
Casting High Level Alchemy returns 300,000 gp, which is 98.7% below the 30-day average price, so alching a bought one loses money.
How to get Crystal tool seed
Only Zalcano (39/8,000) drops Crystal tool seed.
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Zalcano | 39/8,000 | 1 |
Recipes
Where this item appears in crafting and processing.
Used to make
- 1× Crystal axe from 1× Dragon axe, 1× Crystal tool seed, 120× Crystal shard
- 1× Crystal harpoon from 1× Dragon harpoon, 1× Crystal tool seed, 120× Crystal shard
- 1× Crystal pickaxe from 1× Dragon pickaxe, 1× Crystal tool seed, 120× Crystal shard
Crystal tool seed price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 21,896,880 | 20,434,375 | 23,717,061 | 2,004 |
| September 2026 | 23,730,852 | 22,762,421 | 25,175,503 | 4,217 |
| August 2026 | 20,715,916 | 19,803,388 | 22,347,671 | 5,580 |
| July 2026 | 21,116,297 | 18,963,145 | 22,522,052 | 7,089 |
| June 202621d | 22,613,903 | 22,090,686 | 25,237,826 | 5,872 |
| May 20262d | 23,939,553 | 22,369,460 | 25,509,645 | 280 |
| April 20261d | 22,435,956 | 22,435,956 | 22,435,956 | 105 |
| March 2026 | 21,886,874 | 20,042,043 | 22,879,957 | 18,114 |
| February 2026 | 20,868,100 | 18,763,534 | 23,185,438 | 16,287 |
| January 2026 | 17,380,105 | 16,219,336 | 18,977,134 | 17,856 |
Across 10 months of recorded prices Crystal tool seed ranged from 16,219,336 gp in January 2026 to 25,509,645 gp in May 2026, measured over 218 trading days.
The 30-day average of 23,122,257 gp sits in the upper third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.