Product Overview
Unlike conventional black granite that features small crystal grains, Cosmic Black Granite is selected for its dramatic movement across the slab. White quartz ribbons, bronze minerals and golden crystal veins flow naturally through a deep black background, creating the appearance of galaxies moving across space.
Because every slab develops differently during geological formation, large-format installations rarely appear repetitive. This characteristic makes Cosmic Black Granite a preferred material for projects where the stone itself becomes the focal point of the interior.
Instead of acting as a neutral surface, Cosmic Black Granite introduces movement, depth and contrast without requiring additional decorative materials.
Applications include:
- Kitchen countertops
- Waterfall islands
- Bathroom vanity tops
- Decorative wall panels
- Dining tables
- Coffee tables
- Reception desks
- Luxury flooring

Surface Finishes Create Different Design Styles
The same slab can produce very different interior effects depending on the selected finish.
Polished
Enhances depth and highlights reflective quartz crystals, making it suitable for luxury residences and hotel lobbies.
Honed
Produces a softer appearance with reduced reflection for contemporary interiors.
Leathered
Adds subtle texture while maintaining the natural mineral composition, commonly specified for kitchen work surfaces.
Brushed
Creates a tactile surface with a lower sheen, often used in commercial reception areas.

Technical Specifications & Materials
| Property | Value |
|---|---|
| Material | Natural Granite |
| Commercial Name | Cosmic Black Granite |
| Alternative Names | Universe Black Granite, Black Cosmic Granite |
| Country of Origin | Brazil |
| Available Thickness | 18mm, 20mm, 30mm |
| Maximum Slab Size | Up to 3200×2000mm |
| Surface Finish | Polished, Honed, Leathered, Brushed |
| Mohs Hardness | 6–7 |
| Water Absorption | <0.20% |
| Density | Approx. 2.90–3.00 g/cm³ |
| Compressive Strength | >200 MPa |
| Flexural Strength | >15 MPa |
| Fabrication | CNC Cutting, Waterjet, Miter, Curved Processing |
| Edge Profiles | Eased, Bullnose, Bevel, Ogee, Miter |
| Suitable Applications | Interior Walls, Countertops, Islands, Tables, Flooring |

Continuous Pattern Fabrication
The visual quality of Cosmic Black Granite depends heavily on fabrication planning.
Our factory prepares digital nesting layouts before production to preserve the natural movement of each slab.
Available fabrication services include:
- Waterfall edge miters
- Full-slab kitchen islands
- Book-matched wall panels
- Continuous backsplash fabrication
- Curved countertops
- Large conference tables
- Dining tabletops
- Reception counters
- Floating vanity tops
- Custom edge profiling
Producing multiple components from the same slab minimizes color variation while preserving the original mineral direction.
Typical Application

Rather than supplying individual stone pieces, many projects specify coordinated stone collections fabricated from the same production batch.
Luxury Kitchen Collection
- Kitchen countertops
- Waterfall island tops
- Full-height backsplashes
- Window sills
Using the same slab for horizontal and vertical surfaces creates uninterrupted mineral flow.
Bathroom Collection
- Vanity tops
- Shower wall panels
- Niches
- Thresholds
The dark background contrasts naturally with brushed brass fixtures and warm lighting.
Living Room Collection
- Television feature walls
- Coffee tables
- Dining tables
- Fireplace surrounds
Large slabs preserve the sweeping movement that smaller tiles cannot achieve.
Commercial Collection
- Reception counters
- Hotel lobby walls
- Elevator surrounds
- Bar counters
- Executive meeting tables
Using matching slabs throughout public areas helps establish a consistent visual identity.

FAQ
How should Cosmic Black Granite slabs be selected for waterfall islands?
The mineral flow should follow the island length whenever possible. Digital slab layouts help position waterfall legs and horizontal surfaces so the natural veins continue visually around the corners.
Can countertops, dining tables and feature walls come from the same slabs?
Yes. Fabricating multiple products from one production batch improves pattern continuity, minimizes color variation, and creates a coordinated interior across kitchens, living spaces, and commercial areas.
Which surface finish best highlights the natural galaxy pattern?
Polished surfaces provide the strongest contrast and reveal the reflective quartz and metallic minerals most clearly. Honed and leathered finishes create a softer appearance for projects seeking a more understated aesthetic.
Packaging and Loading

Certifications



Contact Us
Planning a project with Cosmic Black Granite? Share your architectural drawings, cabinet layouts, or interior concepts with our engineering team. We provide slab recommendations, digital vein layouts, fabrication drawings, and custom manufacturing for countertops, feature walls, furniture, and commercial stone projects, with quotations typically prepared within 24 hours.















