Amulet of chemistry
Amulet of chemistry | |||||||||||||||||||
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Released | 2 February 2017 (Update) | ||||||||||||||||||
Members | Yes | ||||||||||||||||||
Quest item | No | ||||||||||||||||||
Properties | |||||||||||||||||||
Tradeable | Yes | ||||||||||||||||||
Equipable | Yes | ||||||||||||||||||
Stackable | No | ||||||||||||||||||
Noteable | Yes | ||||||||||||||||||
Options | Wear, Options, Break | ||||||||||||||||||
Worn options | Options | ||||||||||||||||||
Destroy | Drop | ||||||||||||||||||
Examine | Useful when making potions - has the chance of giving an extra dose. | ||||||||||||||||||
Values | |||||||||||||||||||
Value | 1,050 coins | ||||||||||||||||||
High alch | 630 coins | ||||||||||||||||||
Low alch | 420 coins | ||||||||||||||||||
Weight | 0.007 kg | ||||||||||||||||||
Grand Exchange | |||||||||||||||||||
Exchange | 1,278 coins (info) | ||||||||||||||||||
Buy limit | 10,000 | ||||||||||||||||||
Daily volume | 27,735 | ||||||||||||||||||
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Advanced data | |||||||||||||||||||
Item ID | 21163 | ||||||||||||||||||
An amulet of chemistry is a jade amulet enchanted via the Lvl-2 Enchant spell.
Each amulet begins with five charges. While the amulet is equipped, there is a 5% chance that you will create a 4-dose potion rather than a 3-dose potion when brewing potions (but with no extra experience), which consumes one charge. Once all of the amulet's charges are used up, the amulet crumbles to dust.
Similar to a ring of recoil, amulet of chemistry charges are stored per player, not per amulet. Thus if the player gets rid of an amulet with 1 charge remaining, the next amulet the player equips will still have only 1 charge. The player can right-click and "break" an amulet of chemistry, destroying it and restoring the next amulet of chemistry the player equips to 5 charges.
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Creation[edit | edit source]
Skill | Level | XP | |
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![]() | 27 (b) | 37 | |
Members | Ticks | 1 (0.6s) [r 1] |
Item | Quantity | Cost | |
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![]() | Jade amulet | 1 | 991 |
![]() | Cosmic rune | 1 | 163 |
![]() | Air rune | 3 | 15 |
Total Cost | 1,169 | ||
![]() | Amulet of chemistry | 1 | 1,278 |
Profit | 109 |
- ^ Manual casting is 3 ticks, auto-casting is 7 ticks
Mechanics[edit | edit source]
The amulet of chemistry provides no benefit when making potions that always output 4 doses, including antidote+, antidote++, anti-venom+, super combat potion, and super antifire.
When used with potions that create a variable number of doses, the amulet will only trigger if the input potion is less than 4 doses. These potions include stamina potion, extended antifire, extended super antifire, anti-venom, and all of the divine potions. When used with 3-dose potions, the amulet will extend 60 doses into 61 doses, providing an average 1.66% increase in yield and take 33% longer to make. For 2 dose potions, the amulet will extend 40 doses into 41 doses, providing an average 2.5% increase in yield and take 100% longer to make. For single dose potions, the amulet will extend 20 doses into 21 doses, providing an average 5% increase in yield and take 300% longer to make. This takes much more time, but can be useful extending supplies when acquiring ingredients takes a significant amount of time (such as on Ironmen accounts, or maximising profit from crystal dust).
Profit[edit | edit source]
When using the amulet for solely profit, it should only be used when a single dose of the potion you make has a value of more than 1/5th of the amulet's worth (255.6).
Potion | Single dose | One dose of (4)[1] | |||
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GE Price | Profit | GE Price | Profit | ||
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Attack potion | 3 | −252.6 | 2.25 | −253.35 |
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Antipoison | 64 | −191.6 | 53.75 | −201.85 |
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Relicym's balm | 150 | −105.6 | 304 | 48.4 |
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Strength potion | 77 | −178.6 | 89.5 | −166.1 |
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Serum 207 | 4 | −251.6 | 4.5 | −251.1 |
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Compost potion | 59 | −196.6 | 42.5 | −213.1 |
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Restore potion | 26 | −229.6 | 28.5 | −227.1 |
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Guthix balance | 280 | 24.4 | 42 | −213.6 |
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Energy potion | 125 | −130.6 | 138 | −117.6 |
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Defence potion | 109 | −146.6 | 154.5 | −101.1 |
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Agility potion | 85 | −170.6 | 73.25 | −182.35 |
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Combat potion | 122 | −133.6 | 148.75 | −106.85 |
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Prayer potion | 3,188 | 2,932.4 | 3,172.75 | 2,917.15 |
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Super attack | 41 | −214.6 | 49.5 | −206.1 |
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Superantipoison | 82 | −173.6 | 77.5 | −178.1 |
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Fishing potion | 43 | −212.6 | 37.75 | −217.85 |
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Super energy | 537 | 281.4 | 519.5 | 263.9 |
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Hunter potion | 1,219 | 963.4 | 1,370 | 1,114.4 |
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Super strength | 478 | 222.4 | 533.5 | 277.9 |
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Super restore | 3,698 | 3,442.4 | 3,975.5 | 3,719.9 |
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Super defence | 236 | −19.6 | 280.75 | 25.15 |
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Antifire potion | 95 | −160.6 | 125.5 | −130.1 |
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Divine super attack[2] | 293 | 37.4 | 426.75 | 171.15 |
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Divine super strength[2] | 963 | 707.4 | 917 | 661.4 |
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Divine super defence[2] | 590 | 334.4 | 488 | 232.4 |
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Ranging potion | 138 | −117.6 | 163 | −92.6 |
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Divine ranging potion[2] | 997 | 741.4 | 721 | 465.4 |
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Magic potion | 56 | −199.6 | 33.5 | −222.1 |
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Divine magic potion[2] | 762 | 506.4 | 537.5 | 281.9 |
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Stamina potion[2] | 1,342 | 1,086.4 | 1,272.75 | 1,017.15 |
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Zamorak brew | 817 | 561.4 | 1,060.75 | 805.15 |
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Bastion potion | 2,760 | 2,504.4 | 2,928.5 | 2,672.9 |
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Battlemage potion | 2,356 | 2,100.4 | 2,598.25 | 2,342.65 |
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Saradomin brew | 1,751 | 1,495.4 | 1,826.5 | 1,570.9 |
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Extended antifire[2] | 49 | −206.6 | 28.25 | −227.35 |
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Anti-venom[2] | 872 | 616.4 | 1,540.75 | 1,285.15 |
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Divine super combat[2] | 4,604 | 4,348.4 | 4,046.75 | 3,791.15 |
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Extended super antifire[2] | 2,651 | 2,395.4 | 2,709.25 | 2,453.65 |
Changes[edit | edit source]
Date | Changes |
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27 July 2017 (update) |
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16 February 2017 (update) |
The item's inventory sprite was rotated, so that unenchanted silver jewellery now has non-standard angles instead. |
9 February 2017 (update) |
The "Break" option was added. |
Gallery (historical)[edit | edit source]
2 February 2017 – 16 February 2017 |
16 February 2017 – present |
Crafted |
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Other |
Jewellery | |
Enchanted jewellery | |
Fletching | |
Other |