Testing rhodium for purity at home? Is it really possible? And what is the best way to see if rhodium jewelry is real or fake? Find out below! Is it Possible to Test Rhodium at Home With Water? No, testing rhodium at home with water isn’t possible. Rhodium is a noble metal that’s chemically inert … Read more
Osmium coins and bars… Do they exist? And if they do, are they expensive? How to legally buy and own osmium bullion? Learn it in my guide below. Here’s an awesome quiz about Osmium coins and bars. Take it after you’ve read my guide. What is Osmium? Osmium (symbol Os, atomic number 76) is a … Read more
950 palladium is an alloy containing 95% pure palladium and 5% other metals (typically silver or ruthenium). This durable, tarnish-resistant white metal offers a platinum-like appearance at lower cost and weight, making it popular for wedding bands and jewelry. It’s naturally hypoallergenic and non-magnetic (though becomes weakly magnetic if alloyed with ferromagnetic materials). Most palladium … Read more
Does rhodium tarnish? Does it corrode, rust and oxidize? No, rhodium doesn’t tarnish. It’s a noble metal that doesn’t corrode, rust and oxidize under normal day-to-day circumstances. However, rhodium plating on jewelry wears off over time exposing the base metal underneath, which then tarnishes and discolors. Learn more below! Here’s an awesome quiz about rhodium … Read more
The global antimony market is valued at $2.1 billion, projected to reach $4.1 billion by 2035. Worldwide production is approximately 83,000 metric tons annually, down from a 2011 peak of 178,000 metric tons. China dominates with 640,000 metric tons of reserves (32% global total) and produces 40,000 metric tons yearly (48% of supply). Russia holds … Read more
Ever noticed a tiny letter on your coins and wondered what it means? That’s a mint mark, and it holds a wealth of history and significance. Coin mint marks have been used for thousands of years, dating back to the Ancient Greeks and Romans, who employed them to ensure accountability for coin quality. Mint marks … Read more
The global ruthenium market was valued at $5.1 billion in 2023, projected to reach $7.7 billion by 2032. Annual production is approximately 30 metric tons (1,058,218 ounces), primarily as a byproduct of platinum mining. Current demand stands at 1 million ounces yearly, expected to reach 2.3 million ounces by 2032. South Africa dominates with 2,500 … Read more
White gold patina… What is it? Is it dangerous and how to remove it? Is white gold patina permanent or not and can it be prevented? Learn it below in my guide. Here’s an awesome quiz about white gold patination. Take it after you’ve read my guide for your best results. What is a White … Read more
Sterling silver patina… What is it? Is it dangerous and how to remove it? Is sterling silver patina permanent or not and can it be prevented? Learn more right below! Take this quiz and test your knowledge on sterling silver patina. What is Sterling Silver Patina? Sterling silver patina is a natural darkening of the … Read more
Rose gold patina is a natural darkening process caused by copper oxidation in the rose gold alloy when exposed to oxygen and moisture. Unlike tarnish, patina is often considered desirable as it adds vintage character and depth to rose gold jewelry rather than creating unsightly discoloration. Lower karat rose gold (10k, 14k) patinates faster than … Read more