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Premium Portoro Gold Marble quarried in Porto Venere Liguria Italy. Dramatic deep‑black base with striking flowing golden veins. Ideal for high‑end villa and hotel luxury interior projects.
| Color | Deep jet‑black base, with vibrant golden‑yellow and white calcite veining |
| Texture | Fine‑grained black limestone, compact dense texture with calcite vein fillings |
| Finish | Polished (standard) / Honed / Brushed / Sandblasted |
| Grain | Fine compact matrix with prominent golden calcite and mineral vein inclusions |
| Veining | Magnificent fractured network of rich gold and white veins, high contrast luxurious pattern |
| Variation | High variation. Gold vein density and pattern differ significantly per slab |
| Density | ≥2710 kg/m³ (2.71 g/cm³) |
| Water Absorption | ≤0.07 % |
| Compressive Strength | ≥150 MPa |
| Flexural Strength | ≥9.8 MPa |
| Tolerances | Length & Width ±1 mm；Thickness ±0.5 mm |
| Certifications | CE | SGS | ISO 9001 |
| Origin | Italy (Porto Venere, La Spezia, Liguria) |
| Remarks | Name combines "Porto" (port) and "oro" (gold in Italian). Used since Roman times, widespread in Genoa from the Middle Ages. Considered one of the most luxurious marbles in the world. Also known as Portoro Oro. |
Portoro Gold Marble is a rare and luxurious Italian marble quarried in Porto Venere, Provincia di La Spezia, Liguria, Italy. This premium stone features a deep solid black background interwoven with bold, flowing golden veining. The sharp contrast between jet‑black base and bright gold veins delivers dramatic opulent visual effect, which is highly favored for upscale residential and commercial design worldwide.
This marble presents an intense deep‑black base as the foundation. Vibrant golden veins run across slabs in bold, intricate flowing patterns. Each slab has unique vein layout with obvious natural variation. When finished in polished surface, the material brings strong light reflection and amplifies the noble black‑gold contrast. It is a highly exclusive stone for statement‑making decorative projects.
Portoro Gold Marble is widely used for high‑end residential villas and commercial buildings. Suitable for kitchen countertops, bathroom vanity tops, feature accent walls, floor tiling, stair cladding, columns, fireplace surrounds and custom water‑jet mosaic patterns.
Important note: As a marble material, it will get etched by acidic substances. Sealing and daily maintenance are essential to protect surface beauty.
All marble goods are packed in fumigated solid wooden crates. Corner guards, thick foam padding and waterproof wrapping are applied to avoid scratch and breakage during long‑sea transportation. We load full containers with fixed stacking. Big slabs, tiles and custom cut‑to‑size pieces are clearly labeled. Strict pre‑shipment inspection ensures safe delivery for global clients.
We supply full‑size big slabs, standard tiles and custom cut‑to‑size pieces following customer drawings. Multiple surface finishes are available. We support slab selection, quality inspection and professional project consultation service.
Mission: To deliver superior stone materials through precise craftsmanship, sustainable sourcing, and innovative surface technologies—enhancing the quality, durability, and beauty of every space we touch.
Vision: To become a global leader in high-end stone solutions, redefining modern architecture and interior design with materials that combine natural elegance, advanced performance, and environmental responsibility.
Slogan: Stronger. Smarter. More Beautiful. Better.
