Cosmos Granite is an extraordinary natural stone renowned for its "labradorescence"—the mesmerizing iridescent blue and green flashes set against a deep midnight matrix. Combining the rugged durability of granite with the aesthetic of a semi-precious gemstone, this stone is the ultimate choice for high-end kitchen countertops, architectural feature walls, and luxury flooring. Its unique crystalline structure ensures that no two slabs are identical, offering a truly bespoke design solution.

In the competitive world of luxury architecture and interior design, few materials possess the ability to stop a viewer in their tracks like Cosmos Granite. Often referred to in the trade as Labradorite Blue Granite or Lemurian Blue, this stone is far more than a simple building material; it is a geological phenomenon. Characterized by a dark, mysterious base and punctuated by electric "flashes" of peacock blue, emerald green, and shimmering gold, Cosmos Granite brings the ethereal beauty of the night sky directly into the modern home.
As an AI thought partner specializing in high-end materials, I have curated this comprehensive guide to help homeowners, architects, and fabricators understand the technical specifications, aesthetic potential, and long-term care of this extraordinary natural stone.
Cosmos Granite is geologically classified as an Anorthosite, a type of intrusive igneous rock. While the industry frequently labels it as "granite" for its hardness and durability, its true identity lies in its high concentration of Labradorite, a feldspar mineral.
What sets Cosmos Granite apart from any other dark stone is labradorescence. This is not a surface shimmer but an internal optical effect. As light enters the stone, it strikes microscopic twin planes within the feldspar crystals. The light is reflected and diffracted, returning to the eye as brilliant flashes of metallic color. This means the stone "changes" throughout the day as the sun moves across the room.
Origin: Primarily quarried in the remote, mineral-rich regions of Madagascar and parts of Brazil.
Mineral Composition: High percentage of plagioclase feldspar, with traces of amphibole and pyroxene.
Hardness: Rated at 6.5 to 7 on the Mohs scale, making it exceptionally resistant to scratches and daily wear.
Porosity: Naturally low, ensuring high resistance to moisture and staining.
Because Cosmos Granite is a natural product extracted from large rock faces, slab sizes can vary. However, we ensure a selection that caters to both standard residential needs and grand-scale commercial installations.
| Slab Category | Dimensions (mm) | Dimensions (inches) | Best Use Case |
|---|---|---|---|
| Jumbo Slabs | 3200 x 1900 mm | 126" x 75" | Large seamless kitchen islands |
| Standard Slabs | 2800 x 1600 mm | 110" x 63" | Standard countertops and vanities |
| Half Slabs | 1800 x 600 mm | 71" x 24" | Backsplashes and furniture tops |
Thickness Availability:
20mm (3/4"): Ideal for wall cladding and standard weight-sensitive applications.
30mm (1 1/4"): The gold standard for kitchen countertops, providing a substantial, luxury feel without the need for mitered edges.
For flooring and wall applications where a monolithic slab is not required, Cosmos Granite tiles offer a versatile alternative. Each tile is calibrated and beveled for a professional finish.
Standard Squares: 305 x 305 mm (12" x 12"), 610 x 610 mm (24" x 24")
Large Format: 600 x 1200 mm (24" x 48") – Highly recommended for minimizing grout lines.
Custom Strips: 100 x 600 mm for herringbone or chevron patterns.
Mosaic Formats: Hexagonal or basketweave patterns available for high-end shower floors.
The finish of Cosmos Granite dictates how the light interacts with its iridescent "eyes."
A high-gloss polish acts like a magnifying glass for the stone's internal crystals. This finish provides the most dramatic color flashes and is the easiest to clean. It is the preferred choice for kitchen countertops.
A honed finish provides a smooth, non-reflective surface. While it mutes the iridescence slightly, it offers a sophisticated, understated look that is perfect for contemporary or industrial designs. It is also excellent for high-traffic flooring as it hides footprints.
This textured finish is achieved by brushing the stone with diamond-tipped brushes. It creates a tactile, slightly undulating surface that hides fingerprints and water spots exceptionally well. It is increasingly popular for outdoor kitchens and "moody" bathroom vanities.
We maintain a robust supply chain to ensure that your project is never delayed. Our inventory is managed with precision:
Current Inventory: Over 5,000 square meters of premium slabs in stock.
Batch Integrity: We ensure that all slabs for a single project come from the same "block" to guarantee color and pattern consistency.
Digital Inspection: We provide high-resolution photos and videos of individual slabs for remote selection.
Natural stone is a precious cargo. We utilize international standard packaging to ensure your Cosmos Granite arrives in pristine condition.
Slab Packing: Slabs are bundled in fumigated wooden A-frames. Each slab is separated by a protective plastic film to prevent surface-to-surface scratching during transit.
Tile Packing: Tiles are packed into reinforced styrofoam boxes and then placed into strong, seaworthy wooden crates.
Edge Protection: Extra padding is applied to the corners and edges, which are the most vulnerable points during lifting.
Our logistics team coordinates worldwide delivery with a focus on punctuality and safety.
Shipping Ports: Primarily Xiamen, Tianjin, or direct from origin ports.
Lead Time: 7–10 days for in-stock items; 21–30 days for custom-cut orders.
Container Loading: A 20ft container typically holds:
20mm: ~450 sqm
30mm: ~300 sqm
Insurance: All shipments are fully insured against transit damage for your peace of mind.
We offer transparent and secure payment terms to facilitate international trade:
Standard Terms: 30% T/T (Telegraphic Transfer) deposit, with the remaining 70% balance payable against the Bill of Lading (B/L) copy.
Letters of Credit: We accept Irrevocable L/C at sight for large-scale commercial contracts.
Digital Platforms: For smaller sample orders, we accept secure online payments.
Cosmos Granite is a high-performance material suitable for a wide array of environments.
Kitchen Masterpieces: As a waterfall island or countertop, it becomes the focal point of the home.
Primary Bathrooms: Used as wall cladding in showers to create an immersive, spa-like experience.
Fireplace Surrounds: Its heat resistance makes it ideal for framing luxury fireplaces.
Hotel Lobbies: Used for reception desks and elevator banks to convey a sense of prestige.
Executive Boardrooms: Custom-made conference tables crafted from book-matched slabs.
Luxury Retail: Flooring and display pedestals for high-end boutiques.
Cosmos Granite is a dense material that requires professional handling.
Edge Profiles: Due to the crystalline nature, we recommend Eased, Bevel, or Bullnose edges. Avoid overly intricate edges that might cause micro-chipping during the cutting process.
Waterjet Cutting: This stone is perfect for precision waterjet cutting, allowing for integrated sinks or custom floor inlays.
Fabrication Caution: Fabricators should use sharp diamond blades and high-speed water cooling to prevent "plucking" of the larger feldspar crystals.
The Dark Luxe Movement: Designers are pairing Cosmos Granite with matte black cabinetry and brushed brass hardware for a "Midnight Gold" aesthetic.
Book-matching: By mirroring two consecutive slabs, we create a symmetrical "Butterfly" effect that looks like a nebula in deep space.
Backlighting: When cut to 10mm-15mm, some sections of the stone are semi-translucent, allowing for stunning LED backlighting effects.
Sealing: Although low-porosity, we recommend a professional-grade impregnating sealer once a year.
Cleaning: Use a pH-neutral stone cleaner. Avoid acidic cleaners (vinegar, lemon) or abrasive powders.
Heat Protection: While granite is heat resistant, using a trivet for extremely hot pots will protect the sealer and the stone's finish.
In the commercial stone industry, it is sold as granite because it shares the same durability and hardness. Geologically, it is an Anorthosite containing Labradorite. It is much harder and more durable than marble or onyx.
This is due to "labradorescence." The color is caused by light interfering with internal structures in the stone. It is a three-dimensional color effect that depends entirely on the angle of the light source.
Cosmos Granite is highly resistant to staining. However, any natural stone can be stained if liquids are left for an extended period. Wiping up spills promptly and maintaining a good seal will prevent any permanent marks.
Yes. It is frost-resistant and UV-stable. It is a popular choice for luxury outdoor kitchens and pool surrounds. We recommend a leathered finish for outdoor use to provide better slip resistance.
Premium slabs are defined by the density and size of the blue/green "eyes." At our facility, we grade our slabs based on the percentage of iridescent coverage, ensuring you get exactly what you pay for.
Choosing Cosmos Granite is more than just a renovation decision; it is an investment in a piece of Earth's history. Its unique ability to combine the rugged durability of a volcanic stone with the ethereal beauty of a gemstone makes it a peerless choice for those who seek the extraordinary.
Whether you are designing a high-traffic family kitchen or a flagship corporate headquarters, Cosmos Granite provides a balance of functional strength and celestial beauty. Its deep tones provide a grounding presence, while its iridescent flashes offer a constant, shifting reminder of the wonders of the natural world.
Ready to see the magic of the cosmos in person? Contact our team to schedule a virtual warehouse tour or to request a premium sample box shipped directly to your studio or home.
Contact: Jason Wu
Phone: +8613313887269
E-mail: jason@hrcstone.com
Whatsapp:+8613338485850
Add: Room 401-6, No.751, Fanghu Road, Huli District, Xiamen
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