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Overview
Palladium is a relatively new precious metal in the jewellery industry. Not all goldsmiths are able to work with palladium, as its melting point is higher than that of metals such as gold and silver.
Palladium is lighter than platinum, so it is possible to make delicate but durable jewellery. Palladium is still less common than other precious metals, still this precious metal has been used in jewellery around the world for decades.
Hallmark
In Finland, palladium jewellery is hallmarked according to its fineness, expressed in parts per thousand (‰). For example, a 950 hallmark indicates that the alloy contains 950‰ (95%) pure palladium.
Cleaning
Clean jewellery with lukewarm water and use mild dish soap (which has a neutral pH). You can use a new, clean toothbrush.
After washing jewellery, dry it carefully with a clean, lint-free cloth. If you use anti-tarnish cloth, make sure it is suitable for palladium jewellery.
Palladium doesn't tarnish. Take jewellery off when working, especially with chemicals.
Storage
Store jewellery separately from other pieces to help prevent scratches.
Keep the jewellery in its original box or another clean jewellery box. Alternatively, wrap it in a clean, lint-free cloth and place it in an airtight bag.
It is recommended to remove palladium jewellery before handling chemicals or cleaning products.
Prosessing
Recycling
Palladium can be recycled, although many goldsmiths do not accept palladium jewellery for recycling.
Stone Setting
Palladium is well suited for gemstone settings because it is relatively easy to work with.
Element: Pd
Melting point: 1,552 °C
Density: 11.8 g/cm³
Colour: Silvery white