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Platinum patina…
What is it? Is it dangerous to platinum jewelry and can it be removed and reversed?
Learn it below in my guide.
What is Platinum Patina (Definition and Meaning)? Is it Reversible?
Platinum patina is the change in appearance that platinum jewelry develops over time due to wear and tear. Patinated platina has a subtle, frosted, or satiny finish that many platinum jewelry owners love.
Platinum jewelry experiences microscopic scratches and abrasions when it’s worn. Wearing platinum causes its surface atoms to condense and adopt a more dull and uniform look (patinated look).
Platinum patination is a natural process that develops over time and that you can stop and reverse at any time with some polishing and (gentle) manual scrubbing.
Here’s a patinated platinum ring as an example. Also see image below for an example of natural platinum scratches that develop with daily platinum jewelry wear.
Is Platinum Patina the Same as Platinum Tarnish?
No, platinum patina isn’t the same as platinum tarnish. Platinum patination is a natural and subtle change in the metal’s appearance that occurs over time due to exposure to the environment and wear and tear.
Whereas platinum tarnish is actually platinum patina. Platinum is a noble metal that doesn’t tarnish, but the advanced stages of patination make platinum look like it’s tarnished. Many novices to platinum jewelry mistake the two processes.
Note: it’s possible for platinum to tarnish when it’s alloyed with sterling silver. Sterling silver is nearly identical to platinum and many times cheaper to work with. And sterling silver is vulnerable to tarnishing.
What are Some Examples of Platinum Patina?
Here are some example of platinum patina on platinum jewelry (rings, necklaces, bracelets, chains, broches, pendants…).
How to Remove Patina off Platinum Jewelry?
To remove patina off platinum jewelry mix mild dish soap with warm water, soak the jewelry for a few minutes, and gently scrub with a soft-bristled brush (like a toothbrush).
After cleaning, use a soft, lint-free cloth to dry and polish the jewelry. Some people add a few drops of ammonia to the soapy water for extra cleaning power. But be cautious and ensure thorough rinsing as you don’t want ammonia to discolor your platinum jewelry.
Note: platinum is a dense metal, so removing deep scratches or significant patina will require professional intervention. I suggest you try to manually remove patina from your platinum, and then go to professional jeweler if you fail.
Is it Possible to Artificially Patinate Platinum Jewelry?
Artificially patinating platinum jewelry isn’t possible because platinum is a highly inert “noble” metal that doesn’t tarnish or oxidize.
The patina that develops on platinum is a surface-level textural change caused by microscopic scratches from everyday wear and it’s something that happens over time.
While a true chemical patina cannot be applied, there are two alternative methods for giving platinum a dark or antiqued appearance.
First, you can apply a temporary chemical coating, which means plating platinum with a different metal that can be patinated.
This is a temporary finish, as the plated layer is very thin and will eventually wear away.
Second, you can coat platinum with a darker metal like rhodium or ruthenium. This will help give platinum a vintage look, but the plating will eventually wear off revealing the base metal underneath.
Here’s an example of platinum ring coated with rhodium.
Does Platinum Purity Affect the Speed of Patination?
Yes, platinum purity affects the speed of patination.
Pure platinum doesn’t tarnish, but can still patinate due to receiving a myriad of microscopic scratches with daily wear over time.
The presence of other metals in various platinum alloys determines the patination speed.
For example, platinum 500 and platinum 600 have 50% and 60% pure platinum respectively. The rest is filled with other metals, some of which are prone to tarnishing. A good example is copper, which is added to platinum to increase its hardness, casting properties and catalytic performance.
Copper oxidizes easily when exposed to moisture and water and this will cause the entire platinum alloy to change color and patinate quickly.
There’re also platinum alloys where platinum is alloyed with metals harder and more scratch resistant than it.
A good example is Platinum/Iridium, a 90/10 platinum alloy that’s superbly hard and resistant to patination because iridium as a noble metal is very tarnish-resistant.
Platinum Patina vs Palladium Patina- What are the Differences?
Platinum patina and palladium patina look similar at first glance, but are very different.
Platinum patina creates a subtle, satiny, muted gray luster from its initial bright polish, while palladium develops a darker, more pronounced grayish patina.
You can restore the shine of either metal by polishing the surface, and both are durable choices, though palladium is slightly harder and lighter than platinum.
Overall, platinum’s patina adds depth and sophistication to its inherent white color, while palladium’s patina gives it a distinctively dark gray appearance.
Platinum Patina: What is it and Reversible? Conclusion
Platinum patina is the change in appearance that platinum jewelry develops over time due to wear and tear.
Patinated platinum has a subtle, frosted, or satiny finish.
Platinum jewelry experiences microscopic scratches and abrasions when worn, causing surface atoms to condense and adopt a more dull and uniform look.
Platinum patination is a natural process that you can stop and reverse at any time with polishing and gentle manual scrubbing.
Platinum patina isn’t the same as platinum tarnish as platinum is a noble metal that doesn’t tarnish. To remove patina, mix mild dish soap with warm water, soak the jewelry, and gently scrub with a soft-bristled brush.
References:
- Everything You Need to Know About Platinum Patina- https://www.inspereza.com/blogs/inspiration/everything-you-need-to-know-about-platinum-patina
- If Your Ring Looks Dull, It Might Be Platinum Patina – Here’s What That Is and What to Do About It- https://www.withclarity.com/blogs/metal/what-is-platinum-patina
- Platinum patina – yay or nay https://www.reddit.com/r/EngagementRings/comments/q2k37d/platinum_patina_yay_or_nay/
- Is platinum supposed to scratch so easily- https://www.reddit.com/r/EngagementRings/comments/kwumzb/is_platinum_supposed_to_scratch_so_easily/
- Platinum Patina- https://www.reddit.com/r/EngagementRings/comments/18dgk85/platinum_patina/
- Is platinum supposed to scratch so easily?- https://www.reddit.com/r/EngagementRings/comments/kwumzb/is_platinum_supposed_to_scratch_so_easily/
- Cleaning a platinum ring that hasn’t been cleaned for 20+ years. (Before and after)-https://www.reddit.com/r/oddlysatisfying/comments/5ch4dw/cleaning_a_platinum_ring_that_hasnt_been_cleaned/
- How is the best way to address these scratches on a new platinum band? I’m kind of surprised that I have to ask this … https://www.reddit.com/r/EngagementRings/comments/t9y897/how_is_the_best_way_to_address_these_scratches_on/
- Rhodium Plating- https://www.reddit.com/r/jewelers/comments/1fcu0d1/rhodium_plating/
Nikola Roza
Nikola Roza is a blogger behind Nikola Roza- SEO for the Poor and Determined. He writes for bloggers who don't have huge marketing budget but still want to succeed. Nikola is passionate about precious metals IRAs and how to invest in gold and silver for a safer financial future. Learn about Nikola here.
