{"product_id":"nero-marquina-marble-18-x-18-tile","title":"Nero Marquina 18\" x 18\" Spanish Marble Tile","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNero Marquina Marble 18\" x 18\" Tile\u003c\/strong\u003e brings the dramatic character of genuine Spanish black marble to sophisticated interior floors and walls. Quarried in the Basque region of northern Spain, Nero Marquina is distinguished by its deep black background and contrasting white calcite veining.\u003c\/p\u003e\n\u003cp\u003eThe generous 18\" square format emphasizes the stone’s natural movement while reducing the number of grout joints across larger surfaces. Subtle micro-beveled edges provide clean definition between adjoining tiles. Available in polished and honed finishes, Nero Marquina can create either a glossy, high-contrast statement or a softer architectural appearance.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Property\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eValue \/ Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenuine Natural Marble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStone Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNero Marquina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP657\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18\" x 18\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 1\/2\"; verify current production lot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per Tile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.25 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolished or Honed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEdge Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMicro-Beveled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor Profile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDeep Black with White Veining\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShade Variation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural Variation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndividual Field Tile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInterior floors, walls, backsplashes and fireplace surrounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSealing Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecommended before grouting and periodically afterward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFinish Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePolished:\u003c\/strong\u003e A glossy, reflective surface that deepens the black background and sharpens the contrast of the white veining.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHoned:\u003c\/strong\u003e A smooth, low-sheen surface with a softer black appearance and more understated architectural character.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFinish selections should be ordered separately. Do not mix polished and honed tiles unless the design intentionally calls for contrasting surface treatments.\u003c\/p\u003e\n\u003ch2\u003eRecommended Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResidential Floors:\u003c\/strong\u003e Creates a bold luxury surface in foyers, powder rooms, dining areas, offices, and formal living spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBathroom Walls:\u003c\/strong\u003e Suitable for vanity walls, tub surrounds, wainscoting, and full-height decorative installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShower Walls:\u003c\/strong\u003e May be installed over a complete waterproofing system using materials approved for moisture-sensitive natural stone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eKitchen and Bar Backsplashes:\u003c\/strong\u003e Introduces strong black-and-white contrast behind counters, sinks, bars, and beverage stations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFireplace Surrounds:\u003c\/strong\u003e Produces a dramatic architectural focal point when installed within the fireplace manufacturer’s clearance requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommercial Interiors:\u003c\/strong\u003e Appropriate for boutiques, restaurants, hotels, reception areas, executive offices, and other approved interior applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Handling Guidelines\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eIMPORTANT: DARK AND MOISTURE-SENSITIVE MARBLE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNero Marquina can show scratching, etching, grout residue, moisture marks, and installation-related discoloration. Test the complete mortar, grout, and sealing system on spare material before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDry-Lay and Blend:\u003c\/strong\u003e Open several cartons and arrange the tiles before setting. Balance heavily veined, lightly veined, and more uniformly black pieces throughout the installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMortar Selection:\u003c\/strong\u003e Use a premium non-staining white rapid-setting natural-stone mortar or epoxy adhesive approved for moisture-sensitive marble and the installation environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFull Mortar Coverage:\u003c\/strong\u003e Directionally trowel the mortar and back-butter the tiles as necessary. Obtain at least 80% coverage in dry interiors and 95% coverage in wet areas, with full support along edges and corners.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSubstrate Flatness:\u003c\/strong\u003e Large-format tile requires a flat, stable substrate. Correct irregularities before installation rather than compensating with excessive mortar thickness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Sealing:\u003c\/strong\u003e Apply a penetrating sealer approved for Nero Marquina before grouting. Test first because some sealers may deepen or alter the black coloration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrout Selection:\u003c\/strong\u003e Use unsanded grout or a fine-aggregate grout approved for polished natural stone. Test the grout to confirm that it will not scratch, stain, or leave a visible haze.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrout Color:\u003c\/strong\u003e Black or charcoal grout creates a nearly continuous surface, while pale gray or white emphasizes the individual tiles and natural veining.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrout Joint:\u003c\/strong\u003e A joint of approximately 1\/16\" to 1\/8\" may be appropriate depending on tile calibration, substrate conditions, and installer recommendations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWet Areas:\u003c\/strong\u003e Install shower applications over a complete waterproofing system. Stone sealer does not replace waterproofing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWet-Floor Caution:\u003c\/strong\u003e Polished marble may become slippery when wet. Use the honed option for suitable floor applications and confirm project-specific slip requirements before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMovement Accommodation:\u003c\/strong\u003e Provide perimeter and field movement joints following TCNA EJ171 and applicable construction requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCutting:\u003c\/strong\u003e Wet-cut with a clean continuous-rim diamond blade designed for marble. Protect the finished surface from scratches and edge chipping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Allowance:\u003c\/strong\u003e Add approximately 10–15% for cuts, breakage, vein blending, and future repairs. Diagonal or highly selective layouts may require additional material.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCare \u0026amp; Maintenance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eClean with warm water and a neutral-pH cleaner specifically formulated for natural marble.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNever use vinegar, lemon, acidic bathroom cleaners, bleach, abrasive powders, or calcium-removal products.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWipe spills promptly, especially citrus, wine, coffee, cosmetics, oils, and strongly pigmented liquids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse microfiber cloths, soft sponges, and non-abrasive cleaning pads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReapply a penetrating natural-stone sealer according to exposure and the sealer manufacturer’s instructions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse walk-off mats at entrances and felt protection beneath furniture to reduce scratching.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpect polished marble to develop a natural patina in frequently used areas over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesign Profile\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAesthetic Inspiration:\u003c\/strong\u003e European luxury, Art Deco glamour, modern minimalism, classic hotel interiors, and dramatic contemporary design.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor Character:\u003c\/strong\u003e Deep black with irregular white and pale-gray calcite veining.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVisual Advantage:\u003c\/strong\u003e The 18\" format displays the stone’s natural movement with fewer grout interruptions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplementary Stones:\u003c\/strong\u003e Thassos White, Calacatta Gold, Carrara White, Bianco Dolomite, and Crema Marfil marble.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplementary Materials:\u003c\/strong\u003e Dark walnut, white oak, smoked glass, lacquered cabinetry, and warm plaster.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplementary Metals:\u003c\/strong\u003e Polished brass, chrome, brushed nickel, antique gold, and matte black.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuggested Grout Colors:\u003c\/strong\u003e Black or charcoal creates visual continuity; pale gray or white delivers stronger geometric contrast.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs Nero Marquina genuine marble?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Nero Marquina is a genuine natural marble traditionally quarried in the Basque region of Spain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill every tile have the same veining?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Differences in vein direction, thickness, frequency, and intensity are inherent characteristics of natural marble.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between polished and honed finishes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePolished Nero Marquina has a glossy, reflective surface and deeper black appearance. Honed Nero Marquina has a smooth, low-sheen finish with softer contrast.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Nero Marquina require sealing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Seal the marble before grouting and reseal periodically according to use and exposure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be installed on shower walls?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, when installed over a complete waterproofing system with mortar and grout approved for moisture-sensitive natural stone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan polished Nero Marquina be used on bathroom floors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt may be used in appropriate dry bathroom areas, but polished marble can become slippery when wet. The honed finish is generally the more practical floor option.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan acidic cleaners be used on black marble?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Acids can etch the surface and create conspicuous dull or pale marks against the black background.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much does one tile cover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOne nominal 18\" x 18\" tile covers approximately 2.25 square feet.\u003c\/p\u003e","brand":"heytiles","offers":[{"title":"Polished","offer_id":44184372838647,"sku":"P657","price":28.01,"currency_code":"USD","in_stock":true},{"title":"Honed","offer_id":44184372871415,"sku":"P658","price":28.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0514\/5719\/6226\/products\/nero-marquina-marble-18-x-18-tile-631127.jpg?v=1745493119","url":"https:\/\/heytiles.com\/products\/nero-marquina-marble-18-x-18-tile","provider":"Hey Tiles","version":"1.0","type":"link"}