Raw Quarry Blocks
For stone importers, factories and distributors requiring original blocks for their own production.
Enquire about this formatPortovenere, Liguria, Italy
Portoro Nero — Rare Italian Black Marble
Direct access to one of Italy’s most distinctive natural stones. Personally selected quarry blocks, bespoke stone fabrication and international delivery, coordinated from our base in Carrara.
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A Statement of Natural Luxury
Quarried in the coastal mountains of Liguria, Portoro Nero is celebrated for its intense black background and naturally occurring golden veining.
Its distinctive character makes it a sought-after material for statement interiors, architectural details and bespoke luxury environments.
Every block has a unique pattern, making careful selection essential for projects where visual composition and material consistency matter.
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From the Quarry. Without Unnecessary Intermediaries.
We work directly with the source to identify available blocks, evaluate material quality and coordinate selection according to the technical and aesthetic requirements of each project.
Our Carrara-based operations allow us to manage subsequent processing through specialized Italian fabrication facilities.
Clients can purchase raw blocks or commission finished stone products through a single point of coordination. Competitive direct-source quotations and transparent project-based pricing are prepared for each brief.
- Direct block sourcing
- Material inspection and selection
- Block reservation subject to availability
- Slab cutting and finishing
- Cut-to-size production
- Bookmatching and vein matching
- Quality control
- Export packing and logistics
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Choose the format. We coordinate the rest.
Polished Slabs
For architects, stone fabricators and premium interior projects requiring selected natural stone slabs.
Enquire about this formatCut-to-Size
Precision-cut components produced to approved dimensions and technical drawings.
Enquire about this formatBespoke Architectural Elements
Custom-made stairs, wall panels, countertops, fireplaces, tables, decorative elements and architectural details.
Enquire about this format05 / PORTORO NERO
Created by Nature. Selected for Architecture.
Explore potential architectural applications, photographs of the material and clearly labelled visual concepts below. Each application is assessed for the specific project.
- Luxury residential interiors
- Feature walls and bookmatched installations
- Hotel and hospitality projects
- Private villas and penthouses
- Bespoke furniture
- Bathrooms and spa interiors
- Architectural details
Original material
Interior concepts & visual references
Illustrative concepts supplied for inspiration. These images are not presented as completed GOLUBEV client projects. The final stone pattern depends on the selected block.
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One Partner. From Quarry to Destination.
- Project inquiry
- Material availability and block selection
- Commercial quotation
- Block inspection and reservation
- Slab cutting or bespoke fabrication
- Quality control and documentation
- Export packing and international delivery
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Italian Stone. Worldwide Projects.
Based in Carrara, Italy, we coordinate natural stone sourcing, fabrication and international shipments for clients across North America, the Middle East, Europe and Asia.
Whether your project requires a single exceptional block or a complete architectural stone package, we organize the supply process according to your destination, technical requirements and project schedule.
North America
United States and Canada
New York · Miami · Los Angeles · Dallas · Houston
Middle East
United Arab Emirates, Saudi Arabia, Qatar and the wider GCC
Dubai · Abu Dhabi · Riyadh · Doha
Europe
United Kingdom, Switzerland, France and other European markets
London · Paris · Monaco · Geneva
Asia-Pacific
Singapore, Hong Kong, China and other destinations subject to applicable trade regulations
Singapore · Hong Kong · Shanghai
Destination examples describe markets we can assess for supply, not a list of completed projects. Shipments are subject to feasibility checks, applicable trade regulations and EU export controls.
TECHNICAL BRIEF
Material & technical brief
No standard dimensions, fixed stock or physical test values are implied. Exterior, wet-area and load-bearing uses require project-specific assessment.
- Material
- Portoro Nero
- Origin
- Portovenere area, Liguria, Italy
- Classification
- Natural marble
- Appearance
- Black background with natural golden veining
- Supply
- Blocks, slabs, cut-to-size, bespoke elements
- Dimensions & thickness
- Confirmed against the selected block and approved drawings
- Finishes
- Polished and other finishes subject to technical review
- Technical documentation
- Request current test reports and suitability assessment before specification
Portoro Nero in Detail
Explore the natural pattern and surfaces of Portoro Nero through footage of polished slabs and a raw block.
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Looking for Portoro Nero for Your Project?
Tell us your required format, approximate quantity and destination. We will review current quarry availability and prepare a tailored sourcing and production proposal.
PORTORO NERO · Portovenere, Liguria, Italy