Month: June 2021

  • Choker

    A very short necklace. Chokers sit above the base of the throat and usually measures between 30 cm and 40 cm.

  • Precious metals

    Silver, gold and platinum group metals (platinum, palladium, rhodium, ruthenium, iridium and osmium) are considered noble or precious metals.

  • Fine metal

    Fine metals are pure metals. A fine metal has no other metals added to form a metal alloy. Fine metals are all elements on the periodic table.

  • Melting point

    All metals, except mercury (Hg), are solids at room temperature and normal atmospheric pressure. When metals are heated they will turn from a solid into a liquid state. The melting point of a metal refers to the temperature at which this happens.

  • Boracic powder

    Also commonly known as boric acid or boracic acid, it is a white powder that is used to protect metal surfaces from oxidation while soldering. 

  • Ammonia

    Ammonia is a chemical often used as a cleaning agent in jewellery manufacture.