What is Bluestone?
Bluestone is a dense, volcanic rock—commonly known as Basalt in Australia—formed from the rapid cooling of magnesium-rich and iron-rich lava. This natural stone is defined by its deep charcoal to midnight-blue shade and its signature “cat’s paw” (small natural pits or vesicles), which are a mark of its volcanic origin.
In the Australian architectural landscape, bluestone paving is synonymous with heritage and modern sophistication. From the iconic “laneways” of Melbourne to contemporary urban courtyards in Sydney and Adelaide, bluestone serves as a high-performance building material that offers a sleek modern look.
Key Characteristics of Bluestone
- Exceptional Density: As a volcanic stone, bluestone is one of the hardest and most compact natural materials available for Australian landscaping.
- Thermal Consistency: Due to its dark colour and dense structure, it has excellent thermal mass, making it a stable choice for varied Australian climatic conditions.
- Natural Texture: Whether in a sawn or honed finish, bluestone provides a safe, slip-resistant surface that is highly valued for commercial and residential high-traffic zones.
- Modern Aesthetic: Its uniform, dark palette provides a perfect neutral backdrop that makes green gardens and blue pool water “pop”.
What are the Features of Bluestone?
Bluestone is synonymous to durability that brings a bold, structural elegance to any Australian property. It is the ultimate choice for those seeking a “zero-fuss” natural stone that withstands the test of time and heavy usage.
Urban Sophistication and Moody Tones
The primary appeal of Bluestone lies in its deep, consistent colour and clean lines. Formed by volcanic activity, each stone features:
- Micro-Vesicular Texture: Small, natural pits known as “cat’s paw” that add organic character and prove the stone’s authenticity as a volcanic product.
- Deep Charcoal Palette: A sophisticated range of cool greys and blacks that perfectly suit modern Australian minimalist and industrial architecture.
- Structural Fluidity: These dark, moody tones provide a strong visual that complements timber, steel, and glass beautifully.
Unmatched Durability & Longevity
Bluestone is world-renowned for its structural resilience, historically used for paving city streets and building enduring project spaces.
- Heavy-Traffic Performance: Extremely hard-wearing, our bluestone varieties can withstand the weight of residential vehicular movement and constant foot traffic especially at commercial pool surround.
- Environmental Resistance: Naturally resistant to frost, heat, and heavy rain, it is the ideal “set and forget” stone for Australian conditions.
Does Bluestone Come in Different Formats, and Finishes?
At Stone Planet, we curate our Bluestone collection to suit the high-end requirements of Australian builders, landscapers and homeowners. While it offers a more uniform colour blue-grey, it provides incredible variety in looks and application.
Available Formats for Australian Projects
- Bluestone Tiles: Calibrated for a level finish, these are perfect for low traffic flooring spaces like a patio, alfresco and residential pool surround.
- Bluestone Pavers: Pavers supplied in 30mm thickness, built to handle heavy loads and outdoor alfresco living.
- Drop Face Pool Coping: An L-shaped edge that provides a thick, premium look for modern pool perimeters.
- Stepping Stones: Large, organic-shaped “sawn” pieces that create a floating effect in garden paths.
- Treads & Risers: Bluestone Treads are available in large format drop face edge profile with matching risers, offers an elegant look to your staircase.
Available Bluestone Finish in Australia
- Honed: A smooth, matte finish that highlights the stone’s deep colour—perfect for internal flooring.
Is Bluestone Easy to Maintain?
Maintaining Bluestone is remarkably simple due to its extreme density, but professional care ensures its deep colour never fades.
Sealing & Protection
- The High-Density Rule: Because bluestone is so dense, it requires a high-quality penetrating (impregnating) sealer designed specifically for volcanic stone.
- Oil Protection: Sealing is particularly important in BBQ and alfresco areas to prevent grease and oils from staining the stone.
- The “Bead Test”: Test your sealer annually; if water no longer beads on the surface, it is time for a fresh application.
Daily Care Best Practices
- pH-Neutral Cleaning: Use only stone-safe, pH-neutral cleaners. Avoid acidic supermarket cleaners which can cause mineral reactions in the stone.
- General Rinsing: Regular hosing with water prevents the build-up of dust and organic debris. Do not use a high-pressure wash, as it will damage the sealant.
What to Strictly Avoid
| Avoid | The Reason Why |
| Acidic Cleaners | Vinegar and bleach can cause chemical reactions with the iron content in volcanic stone. |
| Metal Scrubbing Tools | Steel brushes can leave particles that may lead to surface rust spots. |
| Standard Gloss Sealers | Topical sealers can peel and trap moisture; always use penetrating sealers. |
The Stone Planet Advantage
Our Bluestone is hand-selected for its density and minimal “cat’s paw” voids, ensuring a premium-grade stone that is easy to grout and clean. At Stone Planet, we provide the premium grade bluestone paving required to create enduring project spaces.