An amulet of chemistry is a jade amulet enchanted via the Lvl-2 Enchant spell.
When equipped, there is a 5% chance to give you an extra dose when brewing potions. The amulet will provide five charges before disappearing.
As of an update on 27 July 2017, players can right-click Options on the amulet to toggle whether they would like to stop making potions when the amulet breaks.
Profit
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. (190.2)
You can see current single dose values for comparison here:
| Single Dose Potions | GE Value |
|---|---|
 Attack potion(1) |
2 |
 Antipoison(1) |
58 |
 Relicym's balm(1) |
151 |
 Strength potion(1) |
57 |
 Serum 207 (1) |
1 |
 Compost potion(1) |
124 |
 Restore potion(1) |
35 |
 Guthix balance (1) |
254 |
 Energy potion(1) |
111 |
 Defence potion(1) |
107 |
 Agility potion(1) |
148 |
 Combat potion(1) |
84 |
 Prayer potion(1) |
2,458 |
 Super attack(1) |
43 |
 Superantipoison(1) |
71 |
 Fishing potion(1) |
52 |
 Super energy(1) |
524 |
 Hunter potion(1) |
1,185 |
 Super strength(1) |
376 |
 Super restore(1) |
2,523 |
 Super defence(1) |
160 |
 Antidote+(1) |
661 |
 Antifire potion(1) |
54 |
 Ranging potion(1) |
197 |
 Magic potion(1) |
46 |
 Stamina potion(1) |
1,719 |
 Zamorak brew(1) |
976 |
 Antidote++(1) |
284 |
 Bastion potion(1) |
2,185 |
 Battlemage potion(1) |
1,481 |
 Saradomin brew(1) |
1,282 |
 Extended antifire(1) |
220 |
 Anti-venom(1) |
1,155 |
 Extended super antifire(1) |
2,918 |
| Crafted |
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| Translation |
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| Others |
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Jade | |
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| Jewellery | |
| Enchanted jewellery |
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| Fletching |
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| Other | |
