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Rock-crushing scrimshaw

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This item has a superior version.
Rock-crushing scrimshaw
Rock-crushing scrimshaw
Release date 11 December 2012 (Update)
Members? Yes
Quest item? No
Tradeable? Yes
Equipable? Yes
Stackable? No
Alchemy Cannot be alchemised
Destroy Drop
Store price Not sold
Exchange price 240,489 coins (info)
Buy limit 5
Examine 15% chance to crush ore as you mine it, earning additional Mining experience and not collecting the ore. Lasts 3 hours.
Weight 0 kg
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Rock-crushing scrimshaw detail

The Rock-crushing scrimshaw is an item that can be made with the Fletching skill at level 85 once all four scroll fragments of Rock Crushing have been retrieved from the Player-owned port.

When equipped, it offers a 15% chance to crush the ore (losing it in the process) in exchange for increased experience while Mining.

The crushed ore appears to give 38% bonus experience, which means 15% chance to give 38% bonus experience. This works out at about 5.7% bonus experience. Rates at high mining are approximately 90k/h so 3 hours of bonus exp gives a total of 3 x 0.057 x 90,000 = 15,390 bonus experience total, although you will probably get a bit more than this due to the decrease in banking needed.

This effect does work when mining rocks in the Living Rock Cavern.

Equipment bonusesEdit

Combat Stats
Skill requirements Degrades
70 Mining-icon Yes
Class Slot
None Pocket slot
Weapons Main Off
Damage - -
Accuracy - -
Style -
Defence-icon Armour rating0
Constitution-icon Life bonus0
Prayer-icon Prayer bonus0
Style bonuses
Strength-icon0 Ranged-icon0 Magic-icon0


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