If, however, you do have a platinum coin or bar that has a patina, it can be polished safely, as the durability means platinum isn’t worn away when polished. The patina is developed due to the way light interacts with fine scratches on the surface of the platinum.įor investors buying platinum coins and bars this shouldn’t be an issue, as the platinum is unlikely to be handled regularly. Very useful for jewellers and other industries,īut also means it can be scratched quite easily. A patina can form in as little as six months for well-worn jewellery, and the lustre of platinum can be lost quite quickly because of the metal’s inherent malleability.ĭespite being incredibly durable, platinum can deform and be shaped very easily without breaking. Platinum, however, can develop a patina this is a broad term that, in the case of platinum, refers to an aged look. This also makes it hypoallergenic, and is one of the reasons platinum is a favourite with jewellers. Platinum’s lack of reactivity is what stops it rusting or tarnishing. There is however one way in which the distinctive white lustre of platinum can disappear: a patina. ![]() This won’t happen to platinum, so coins and bars should not discolour over time. Silver investors will likely know that, if left exposed to air for prolonged periods of time, silver can develop a dark tarnish as it reacts to sulphur. This means it is unreactive, and Platinum will not tarnish, corrode, rust, or change colour over time.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |