{"title":"Rhodium Bullion Bars","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eShop a 1 oz rhodium bullion bar at Stack Platinum®. Features 99.9+% purity, a custom presentation box, Certificate of Analysis, and spectrometer report.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"pure-rhodium-bullion-fine-art-1-troy-ounce-99-9-pure","title":"Rhodium Bullion Bar, 1+ Troy Ounce, 99.9% Pure","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003e1 Troy Ounce Rhodium Bar\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan\u003eOne of Earth's Rarest and Most Valuable Precious Metals\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan\u003eOwn Something Extraordinary\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRhodium is one of the rarest naturally occurring precious metals on Earth\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, distinguished by its extraordinary scarcity, brilliant silvery-white appearance, and exceptional physical properties.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDiscovered in 1803 by English chemist William Hyde Wollaston, Rhodium takes its name from the Greek word \u003c\/span\u003e\u003cem\u003e\u003cspan\u003erhodon\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e, meaning rose, inspired by the distinctive rose-colored compounds encountered during its discovery. [1]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFar rarer in Earth's crust than Gold or Platinum, Rhodium occurs in extremely low natural concentrations and is recovered primarily as a byproduct of platinum-group-metal mining and refining. Its supply is inherently linked to the production of other metals rather than determined by demand for Rhodium alone. [1, 2]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach Stack Platinum® bar contains \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eover one troy ounce of 99.9+% pure Rhodium\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, offering a rare opportunity to own an extraordinary physical precious metal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eExceptional Scarcity\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eRhodium occupies a remarkable position among the world's precious metals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOne of Earth's rarest precious metals\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, occurring in exceptionally low natural concentrations. [1]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAnnual primary mine supply of only approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e700,000 troy ounces\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, compared with more than 100 million troy ounces of Gold mined annually. [2, 3]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProduced primarily as a byproduct of platinum-group mining and associated refining operations. [2]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA specialized physical bullion market with limited availability compared with conventional Gold, Silver, and Platinum products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial demand concentrated in essential catalytic and high-performance applications. [1, 3]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eJohnson Matthey's 2025 market report estimated global primary Rhodium supply at approximately 691,000 troy ounces, illustrating the remarkably small scale of its annual mine production. [3]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRhodium's rarity is not manufactured. It is a consequence of Earth's geology and the extreme limitations of its natural production.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eExceptional Properties\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eRhodium possesses a combination of physical characteristics that few metals can match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrilliant Reflectivity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A highly reflective, silvery-white metallic surface valued for precision optical coatings and specialized reflectors. [1]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExtraordinary Corrosion Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Exceptional resistance to chemical attack and oxidation under many conditions. [1]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh Melting Point:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 1,963°C (3,565°F). [1]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRemarkable Durability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e A hard, wear-resistant precious metal used in demanding industrial and decorative applications. [1]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Performance Catalysis:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Outstanding catalytic properties essential to important chemical and automotive processes. [1, 2]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese characteristics make Rhodium valuable far beyond its use as a precious metal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eEssential to Modern Technology\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDespite its scarcity, Rhodium plays a vital role in several important industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAutomotive Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eRhodium is particularly effective at facilitating the reduction of nitrogen oxides in vehicle exhaust systems. This makes it a critical component of catalytic converters used in gasoline-powered vehicles. [1, 2]\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAerospace and Advanced Engineering\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eRhodium's heat resistance, chemical stability, and reflective properties make it useful in specialized high-temperature alloys, precision coatings, electrical contacts, and advanced engineering applications. [1, 4]\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eScientific and Industrial Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eRhodium is also used in chemical catalysts, temperature-measuring thermocouples, optical reflectors, electrical contacts, and platinum-rhodium alloys for high-temperature industrial equipment. [1, 4]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts remarkable combination of scarcity and industrial utility distinguishes Rhodium from traditional investment metals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eA Distinguished Addition to a Precious Metals Collection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eGold and Silver have served as stores of tangible wealth for centuries. Rhodium offers something fundamentally different: ownership of a precious metal with an exceptionally small primary supply and highly specialized global market.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor collectors and long-term precious-metal owners, Rhodium offers:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOwnership of an extraordinarily scarce physical metal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDiversification beyond conventional bullion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExposure to a highly specialized platinum-group-metal market.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA distinctive combination of natural rarity, industrial importance, and tangible value.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe physical Rhodium bullion market is substantially less liquid than the markets for Gold and Silver. Buyers should consider potentially significant dealer spreads and price volatility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRhodium stands apart as an exceptionally rare precious metal, distinguished by its extraordinary scarcity, industrial importance, and enduring physical properties.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eAuthenticity You Can Verify\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEvery Stack Platinum® Rhodium bar is accompanied by documentation supporting its purity and composition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach bar includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCertificate of Analysis (COA).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpectrometer analysis report.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDocumented 99.9+% Rhodium purity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCustom Stack Rhodium protective presentation box.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese documents provide additional transparency and confidence when acquiring an exceptionally rare precious metal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMetal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Rhodium (Rh), Platinum Group Metal\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Over 1 Troy Ounce\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePurity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 99.9+% Rhodium\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 30 mm × 30 mm × 3.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDocumentation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Certificate of Analysis and spectrometer report included\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePackaging:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Custom Stack Rhodium protective presentation box\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvailability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e In Stock — Ready to Ship\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eLimited Availability\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eUnlike conventional bullion, investment-grade Rhodium bars are rarely encountered in mainstream precious-metals markets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith annual primary production measured in hundreds of thousands rather than millions of ounces, Rhodium represents an exceptionally scarce tangible asset. [3]\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach bar is carefully packaged in its custom Stack Rhodium presentation box and shipped fully insured.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOwn something extraordinary. Stack Rhodium.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eScientific \u0026amp; Industry References\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e[1] Royal Society of Chemistry — Rhodium, Element 45\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScientific properties, natural abundance, discovery, reflectivity, corrosion resistance, industrial applications, and melting point.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/periodic-table.rsc.org\/element\/45\/Rhodium\"\u003e\u003cspan\u003eRoyal Society of Chemistry: Rhodium\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e[2] U.S. Geological Survey — Platinum-Group Elements\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eResearch covering the geological occurrence, concentrated production, extraction, and industrial importance of Rhodium and other platinum-group metals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.usgs.gov\/publications\/platinum-group-elements\"\u003e\u003cspan\u003eUSGS: Platinum-Group Elements\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e[3] Johnson Matthey — PGM Market Reports, 2025–2026\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIndustry research documenting global Rhodium mine supply, secondary recycling, industrial demand, and market conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/matthey.com\/products-and-markets\/pgms-and-circularity\/pgm-markets\/pgm-market-reports\"\u003e\u003cspan\u003eJohnson Matthey: PGM Market Reports\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e[4] National Institutes of Health \/ PubChem — Rhodium\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChemical and industrial uses including catalysts, high-temperature alloys, reflectors, electrical contacts, and precision scientific equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/Rhodium\"\u003e\u003cspan\u003ePubChem: Rhodium\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Stack Platinum®","offers":[{"title":"Default Title","offer_id":51824069902706,"sku":"","price":10125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0889\/2186\/6610\/files\/PXL_20260826_184649981.jpg?v=1791231787"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0889\/2186\/6610\/collections\/Rare_Square_dd220f0a-0ca4-478d-812f-881ec27cb402.jpg?v=1791236990","url":"https:\/\/www.stackplatinum.com\/collections\/1-oz-rhodium-bullion-bar.oembed","provider":"Stack Platinum®","version":"1.0","type":"link"}