They are both metals.
Rhodium, from the platinum family, is a metal that does not tarnish. It is plated over silver so that you do not have to clean it as often. It is much shinier than silver though, a true lover of sterling silver may not like the shine of rhodium.
laws of disclosure for rhodium plating sterling silver
JWBR stands for "Jewelry Wholesale Black Rhodium." The black rhodium plating is a type of metal finishes to enhance the appearance and shine of silver jewelry. So, the ring is likely made of sterling silver with a black rhodium finish.
A rum on a silver ring could be a mispronunciation or misspelling of "rhodium." Rhodium is a precious metal that is sometimes used to plate silver jewelry to enhance its shine and prevent tarnishing. Rum itself does not have any specific meaning in relation to a silver ring.
The "RP 925" stamp on a diamond earring indicates that the earring is made of sterling silver. "RP" likely stands for "Rhodium Plated," meaning the silver has been coated with a thin layer of rhodium for added shine and durability. The "925" stamp signifies that the silver is 92.5% pure, which is the standard purity for sterling silver jewelry.
Rhodium is a very valuable substance. It is used in jewelry primarily to give silver toned jewelry its color and shine. It is used anywhere from silver, to white gold to platinum. Without rhodium, a white gold ring would actually look light brownish yellow. Rhodium can fade on jewelry, but can be reapplied by a jeweler to bring the item back to its natural finish.
Milor sterling silver is typically coated with a thin layer of rhodium to enhance its durability, prevent tarnishing, and give it a shiny finish. Rhodium is a precious metal that is resistant to scratches and provides a bright, reflective surface.
Rhodium is a coating that is put onto most silver tone jewelry to give it its color and shine. It is found on silver, platinum, and most popularly on white gold. White gold gets it full white color from rhodium plating. Rhodium can sometimes come off of a piece of jewelry, in this instance it can be replaced by a jeweler.
Rhodium is a highly reflective, durable, and corrosion-resistant metal commonly used as a plating for jewelry. When applied as a thin layer over sterling silver, it can enhance the silver's luster and provide a bright white surface. Rhodium itself does not change colors, but over time, the plating may wear off and reveal the natural color of the underlying sterling silver.
You can electroplate it with rhodium, platinum
And palladium, iridium, rhodium, platinum, ruthenium, rhenium osmium
Rhodium hallmarks are stamps or engravings found on jewelry and other metal items to indicate the presence of rhodium plating or the purity of the metal. These hallmarks typically include symbols or letters that signify the manufacturer, the quality, and the authenticity of the rhodium finish. Rhodium is often used to enhance the appearance of white gold and silver due to its reflective qualities and resistance to tarnish. However, it’s important to note that rhodium plating can wear off over time, necessitating reapplication for maintenance.