{"product_id":"blue-fire-opal-black-onyx-mens-wedding-band-in-tungsten-8mm","title":"Blue Fire Opal \u0026 Black Onyx Men's Wedding Band in Tungsten (8mm)","description":"\u003cstyle\u003e\n.product-rich-content { font-family: inherit; color: #2a2a2a; line-height: 1.65; max-width: 720px; margin: 0 auto; }\n.product-rich-content h2 { font-size: 1.35em; font-weight: 600; color: #1a1a1a; margin-top: 2em; margin-bottom: 0.5em; padding-bottom: 0.4em; border-bottom: 1px solid #c7cede; letter-spacing: -0.01em; }\n.product-rich-content h2:first-child { margin-top: 0; }\n.product-rich-content p { margin: 0.8em 0; }\n.product-rich-content ul { padding-left: 1.4em; margin: 0.8em 0; }\n.product-rich-content li { margin-bottom: 0.4em; }\n.product-rich-content .lead-paragraph { font-size: 1.05em; color: #1a1a1a; padding: 1em 1.2em; background: #eef0f7; border-left: 3px solid #3d5a7e; border-radius: 4px; margin-bottom: 1.5em; }\n.product-rich-content .feature-pills { display: flex; flex-wrap: wrap; gap: 0.5em; margin: 1.2em 0; }\n.product-rich-content .feature-pills .pill { background: #eef0f7; color: #3d5a7e; padding: 0.4em 0.9em; border-radius: 100px; font-size: 0.88em; font-weight: 500; border: 1px solid #c7cede; }\n.product-rich-content .spec-card { background: #fafafa; border: 1px solid #ececec; border-radius: 6px; padding: 1.2em 1.5em; margin: 1em 0; }\n.product-rich-content .spec-card ul { margin: 0; }\n.product-rich-content .spec-card li { list-style: none; padding: 0.35em 0; border-bottom: 1px dashed #e8e8e8; }\n.product-rich-content .spec-card li:last-child { border-bottom: none; }\n.product-rich-content .spec-card strong { display: inline-block; min-width: 140px; color: #1a1a1a; }\n.product-rich-content .product-faq { margin-top: 2.5em; }\n.product-rich-content .product-faq h2 { margin-bottom: 1em; }\n.product-rich-content .faq-item { border: 1px solid #e8e8e8; border-radius: 6px; margin-bottom: 0.6em; background: #fff; transition: border-color 0.2s ease; }\n.product-rich-content .faq-item:hover { border-color: #3d5a7e; }\n.product-rich-content .faq-item summary { cursor: pointer; padding: 0.9em 1.1em; font-weight: 500; list-style: none; color: #1a1a1a; position: relative; padding-right: 2.5em; }\n.product-rich-content .faq-item summary::-webkit-details-marker { display: none; }\n.product-rich-content .faq-item summary::after { content: \"+\"; position: absolute; right: 1.1em; top: 50%; transform: translateY(-50%); font-size: 1.3em; color: #3d5a7e; font-weight: 300; transition: transform 0.2s ease; }\n.product-rich-content .faq-item[open] summary::after { content: \"−\"; }\n.product-rich-content .faq-item[open] summary { border-bottom: 1px solid #c7cede; }\n.product-rich-content .faq-item p { padding: 0 1.2em 1em; margin: 0.6em 0 0; color: #4a4a4a; }\n@media (max-width: 600px) { .product-rich-content .spec-card strong { display: block; min-width: auto; margin-bottom: 0.2em; } }\n\u003c\/style\u003e\n\u003cdiv class=\"product-rich-content\"\u003e\n\u003cp class=\"lead-paragraph\"\u003eThis Blue Fire Opal \u0026amp; Black Onyx men's wedding band pairs a mesmerizing blue fire opal — with a play-of-color reminiscent of distant galaxies — against striking black onyx inlays, all set in a polished 8mm tungsten carbide band. The ethereal opal glow against the deep, grounding onyx makes a bold, cosmic statement for the groom who dares to stand out. Ships with a free luxury velvet jewelry box and free USA shipping.\u003c\/p\u003e\n\u003cdiv class=\"feature-pills\"\u003e\n\u003cspan class=\"pill\"\u003eBlue fire opal\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eBlack onyx inlay\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eCosmic play-of-color\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003e8mm comfort fit\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eScratch-resistant\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eBold statement band\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThe inlays: blue fire opal \u0026amp; black onyx\u003c\/h2\u003e\n\u003cp\u003eTwo inlays share the band. The blue fire opal glows with a shifting play-of-color — flashes of blue and green that catch the light like a distant galaxy — while bands of black onyx, a deep, opaque natural stone, frame it with depth and contrast. The pairing reads celestial and grounded at once. Both inlays are sealed to protect them from water, dirt, and grime. Love black stones? Explore our black gemstones guide.\u003c\/p\u003e\n\u003ch2\u003ePolished tungsten carbide\u003c\/h2\u003e\n\u003cp\u003eThe band is polished tungsten carbide with a bright, clean finish that lets the two inlays take center stage. Tungsten's natural silver tone needs no plating, so there's nothing to wear away, and the comfort-fit interior keeps it smooth for all-day wear.\u003c\/p\u003e\n\u003ch2\u003eBuilt for daily wear\u003c\/h2\u003e\n\u003cp\u003eTungsten carbide is one of the hardest metals used in jewelry — 4 times harder than titanium, 5 times harder than steel, and 10 times harder than gold, second only to diamond. It maintains its luster and shape forever, and it's hypoallergenic. Curious how it holds up? Read do tungsten rings scratch? and titanium vs tungsten rings.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior\u003c\/strong\u003e Polished tungsten carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlays\u003c\/strong\u003e Blue fire opal \u0026amp; black onyx, sealed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit\u003c\/strong\u003e Comfort fit interior, true to size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHypoallergenic\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e Free luxury velvet jewelry box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping\u003c\/strong\u003e Free USA shipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhy partners choose this ring\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA cosmic band pairing glowing fire opal with deep black onyx\u003c\/li\u003e\n\u003cli\u003eA bold statement for the groom who wants something distinctive\u003c\/li\u003e\n\u003cli\u003eA wedding, anniversary, or milestone band with celestial character\u003c\/li\u003e\n\u003cli\u003eA daily-wear band — see our guide to non-traditional men's wedding bands\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSizing \u0026amp; care\u003c\/h2\u003e\n\u003cp\u003eThis band runs true to size — we recommend confirming your ring size before ordering; a local jeweler can measure you in minutes. Choosing between widths? Our men's wedding band width guide breaks it down, and for everything about tungsten sizing and fit, see can tungsten rings be resized or cut off? The sealed inlays handle everyday water and hand-washing; rinse and dry with a soft cloth, and remove it around harsh chemicals like chlorine.\u003c\/p\u003e\n\u003cp\u003eLove this look? Explore the full tungsten rings collection, or browse our men's black rings.\u003c\/p\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch2\u003eBlue fire opal \u0026amp; black onyx band FAQs\u003c\/h2\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat is fire opal?\u003c\/summary\u003e\u003cp\u003eFire opal is prized for its play-of-color — a shifting glow that flashes different hues as the light and angle change. In this band it glows blue and green like a distant galaxy, set against the black onyx.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs the black onyx a real stone?\u003c\/summary\u003e\u003cp\u003eYes — black onyx is a natural, opaque stone, inlaid in bands that frame the fire opal with deep, grounding contrast.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWill every ring look the same?\u003c\/summary\u003e\u003cp\u003eThe fire opal's play-of-color shifts with the light, and each inlay is hand-set, so your ring will share the same cosmic character as our photos with its own unique flashes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eAre the inlays durable enough for daily wear?\u003c\/summary\u003e\u003cp\u003eYes — both the fire opal and onyx are sealed against water, dirt, and grime, and set flush with the band. As with any inlay ring, avoid hard direct impacts.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs tungsten carbide scratch-resistant?\u003c\/summary\u003e\u003cp\u003eYes — tungsten carbide is one of the hardest metals used in jewelry, 4 times harder than titanium and 10 times harder than gold, making it ideal for everyday wear.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWill tungsten turn my finger green?\u003c\/summary\u003e\u003cp\u003eNo. Tungsten carbide is hypoallergenic and won't react with skin, sweat, or lotions — the ring will not turn your skin green. Discoloration comes from low-quality or fake metals only.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs this a men's or women's ring?\u003c\/summary\u003e\u003cp\u003eBoth — the 8mm design reads as a men's wedding band and a striking unisex statement band, and works as a matching couples ring.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eHow do I find the right ring size?\u003c\/summary\u003e\u003cp\u003eWe recommend getting professionally sized at a local jeweler before ordering — it takes just a few minutes, and our team is happy to help you find your correct size. This band fits true to size.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eDoes this come with a gift box and free shipping?\u003c\/summary\u003e\u003cp\u003eYes — every Aquamarise ring arrives in a free luxury velvet jewelry box, and this band ships free within the USA.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"FAQPage\",\n\"mainEntity\": [\n{\"@type\": \"Question\", \"name\": \"What is fire opal?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Fire opal is prized for its play-of-color — a shifting glow that flashes different hues as the light and angle change. In this band it glows blue and green like a distant galaxy.\"}},\n{\"@type\": \"Question\", \"name\": \"Is the black onyx a real stone?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — black onyx is a natural, opaque stone, inlaid in bands that frame the fire opal with deep, grounding contrast.\"}},\n{\"@type\": \"Question\", \"name\": \"Will every ring look the same?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The fire opal's play-of-color shifts with the light, and each inlay is hand-set, so your ring will have its own unique flashes.\"}},\n{\"@type\": \"Question\", \"name\": \"Are the inlays durable enough for daily wear?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — both the fire opal and onyx are sealed against water, dirt, and grime, and set flush with the band. 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