How to smelt gold

Written by joe kelly
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How to smelt gold
Melt down old jewellery and make your own gold ingots. (Jupiterimages/ Images)

Melting down gold at home is fairly easy. "Smelting" is the same as "melting" but also implies the removing of impurities during the process. Perhaps you have some old jewellery and you want to melt it down and make some gold bars to sell, or maybe you want to melt the gold down to form your own jewellery creations. Melting the gold with an acetylene torch will burn off most impurities found in jewellery gold. You can melt gold at home with a few pieces of speciality equipment that you can purchase online or at a nearby foundry supply store. Some hardware stores may even carry small crucibles and other supplies.

Skill level:

Things you need

  • Face shield
  • Leather gloves
  • Leather apron
  • Crucible
  • Acetylene torch
  • Crucible tongs
  • Ingot mould

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  1. 1

    Locate a safe working area and put on the face shield, gloves and apron.

  2. 2

    Place the gold to be melted into the crucible.

  3. 3

    Light the acetylene torch.

  4. 4

    Melt the gold in the crucible using the flame of the acetylene torch. An acetylene torch burns hot enough to melt gold but will not work on some other types of metals with higher melting points.

  5. 5

    Grasp the crucible with the crucible tongs and carefully pour the melted gold into the ingot mould.

  6. 6

    Let the gold cool in the ingot mould. Once the gold ingot has cooled and solidified, tap it out of the ingot mould.

Tips and warnings

  • Do not work over concrete; it can explode if hot metal is dropped on it.
  • Always wear the proper protective gear when melting metals.

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