Rose gold vermeil is jewelry made by coating a sterling silver base with a thick layer of rose gold, at least 10k purity and 2.5 microns thick, giving it the look of solid rose gold at a more affordable price. It differs from regular rose gold plating, which lacks standardized thickness or purity and can … Read more

Red gold is a real gold alloy created by combining yellow gold with copper and trace amounts of silver. The high copper content (higher than rose gold) gives red gold its distinctive pinkish-red hue and increases its hardness and durability. Red gold is available in 10k, 12k, 14k, and 18k variants, with 14k and 18k … Read more

Coin reverse is the back side of a coin, opposite the obverse, and is commonly known as “tails.” It typically features designs that complement the obverse, such as national symbols, commemorative themes, or informative inscriptions. Some coins depict historical figures on both sides, adding visual interest. A coin’s condition matters greatly on the reverse, since … Read more

Iridium coins and bars exist, but they’re far rarer than gold, silver, platinum, or palladium bullion. Iridium bars typically have .9995 purity, made by companies like American Elements and Luciteria for industrial use, though collectors can buy them too. Iridium coins are nearly impossible to mass-produce because the metal is extremely hard with a very … Read more

The obverse of a coin is its front side, commonly called “heads”, usually featuring a portrait, national symbol, or other prominent design. On U.S. coins, the obverse typically carries the date and often depicts presidents or notable figures, while the reverse (“tails”) shows the denomination, an eagle, or other secondary imagery. A notable minting flaw … Read more

Rhodium isn’t magnetic. It’s paramagnetic. This means rhodium is weakly attracted to a magnetic field and doesn’t retain any magnetism after being exposed to a magnet. Pure rhodium doesn’t magnetize, but rhodium alloyed with some other metal becomes magnetic or ferromagnetic depending on the metal it’s alloyed with. Is it Possible to Test Rhodium Purity … Read more

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. Does Rhodium Tarnish? Does it Corrode, Rust and Oxidize? No, rhodium doesn’t tarnish. It’s a noble precious metal highly … Read more