Piranshahr Granite Stone
Piranshahr Granite, quarried in West Azerbaijan, Iran, is a high-performance natural stone available in distinctive green, black, and white varieties....
Where to use Piranshahr Granite Stone
Piranshahr Granite, quarried in West Azerbaijan, Iran, is a high-performance natural stone offered in distinctive green, black, and white varieties. With an outstanding uniaxial compressive strength of 176 MPa and extremely low water absorption of 0.09%, it is exceptionally durable and well-suited for high-traffic flooring, exterior facades, and cold-climate applications. The stone can be processed to achieve polished, honed, and sandblasted finishes, complementing both modern and classical architectural styles.
Technical Specifications of Piranshahr Granite Stone
The specifications below are taken as-is from the data registered for this product on our site; for project-critical items, ask for supplementary details when requesting a quote.
| Property | Value |
|---|---|
| Stone type | Granite |
| Quarry / origin | پیرانشهر, آذربایجان غربی |
| Texture | Granular |
| Suitable space | Indoor & Outdoor |
| Colors | Green, Black, White |
| Applications | Modern Facade Stone, Interior Facade Stone, Building Exterior Facade Stone, Wall Stone (Partition or Interior Facade), Parking Floor Stone, Office & Commercial Flooring Stone, General Flooring Stone, Slab Stone, Stair Stone, Main Building Facade, Modern Minimalist Facade with Light Stone, Window Frames, Columns & Capitals, Interior Lobby & Common Area Walls, Staircase Walls or Decorative Spaces |
| Finish type | Polished, Leathered, Honed, Sandblasted |
| Processing type | Cut, Calibrated, Polished |
| Grades | Grade 1, Grade 2, Super, Commercial, Export Grade |
| Thicknesses | 2 cm, 3 cm, 4 cm |
| Dimensions | اسلب: اسلب, نما: نما |
| Water absorption | 0.09 percent |
| Compressive strength | 176 MPa |
| Abrasion resistance | 4 (very high resistance) |
| Porosity | 3.01 percent |
Key Technical Features
Scientific studies confirm this granite's superior mechanical properties, including a Brazilian tensile strength of 18 MPa and a production rate of 4.5 m²/hour during sawing. Its abrasion resistance of 4 and porosity of 3.01% demonstrate excellent wear resistance. Notably, research on freeze-thaw durability ranks Piranshahr Granite among the highest desirability stones for cold regions, making it particularly suitable for outdoor and urban spaces in harsh climates. This combination of strength and weather resistance ensures longevity in demanding applications.
Pros & Cons
-
Pros:
- High Durability: Exceptional compressive strength (176 MPa) makes it ideal for high-traffic areas and heavy-load structural use.
- Freeze-Thaw Resistance: Highly resistant to cold climates, suitable for exterior facades in mountainous or harsh environments.
- Low Water Absorption: A very low absorption rate (0.09%) minimizes the risk of moisture-related damage and staining.
-
Cons:
- Natural Variation: As a natural stone, subtle variations in color, graining, and texture between different batches are expected.
- Maintenance Requirement: While highly durable, regular periodic sealing is recommended to maintain its pristine surface and protect against long-term moisture ingress.
Architectural Applications
This granite is widely used in residential, commercial, and public projects. Its high resistance to pressure, abrasion, and staining makes it suitable for:
- Building facades, especially for lower floors of high-rise structures and projects in cold climates
- High-traffic flooring in offices, commercial spaces, hotel lobbies, and metro stations
- Staircases, walkways, and outdoor paving
- Countertops and decorative architectural elements
Comparing Piranshahr Granite Stone with Similar Products
Use this comparison table to evaluate the technical specifications and suitability of Piranshahr Granite against other premium black granite options for your architectural or construction needs.
| Feature | Piranshahr Granite Stone | Serkan Black Granite | Tuyserkan Black Granite | Alamut Black Granite |
|---|---|---|---|---|
| Stone Type | Granite | Serkan Black Granite | Tuyserkan Black Granite | Alamut Black Granite |
| Primary Colors | Green, Black, White | Black | Black, Dark Gray | Black, White |
| Compressive Strength | 176 MPa | ~145 MPa | ~149 MPa | 1440 MPa |
| Water Absorption | 0.09% | 0.03% | ~0.07% | 0.18% |
| Porosity | 3.01% | < 0.5% | Very Low | Up to 2.5% |
| Abrasion Resistance | 4 (Very High) | 4 | 2.82 g/cm² | 3.3 |
| Finish Types | Polished, Leathered, Honed, Sandblasted | Polished, Leathered, Honed | Polished, Leathered | Polished, Flamed, Chiseled, Natural, etc. |
| Main Applications | Modern Facade, Flooring, Walls | Facade, Flooring, Interior | Elevators, Stairs, Tombstones | Facade, Slabs, Bathrooms, Stairs |
Which one should you choose?
- If your priority is high-performance exterior facades in cold climates, Piranshahr Granite is highly suitable due to its excellent freeze-thaw resistance and high compressive strength.
- If you require a near-zero absorption rate for ultra-refined indoor surfaces, Serkan Black Granite or Tuyserkan Black Granite may be more appropriate due to their lower porosity.
- If you need a wide variety of surface treatments (such as flamed or chiseled) for specific decorative or anti-slip needs, Alamut Black Granite offers the most diverse finishing options.
- Note that while Piranshahr Granite shows superior compressive strength, its porosity is slightly higher than Serkan Black, which should be considered for specific moisture-sensitive interior applications.
Selection and Installation Considerations
When selecting Piranshahr Granite, consider that its weight may require adequate structural support during design. For exterior applications, proper sealing is recommended to protect against moisture ingress despite its low porosity. Choose finishes—polished for maximum reflectivity, honed for a matte look, or sandblasted for slip-resistant textures—based on both aesthetic and functional needs. Consult experienced stone fabricators to ensure correct handling and installation, maximizing the stone's long-term performance.
Piranshahr Granite combines exceptional structural strength with natural beauty, offering a durable solution for projects where longevity and design integrity are essential.
Frequently Asked Questions
- Is Piranshahr granite suitable for exterior facades in cold climates?
Yes. Due to its high compressive strength and excellent freeze-thaw resistance, it is a highly reliable choice for exterior applications, even in harsh or cold environments. - How should this granite be maintained?
To preserve its appearance and protect against potential staining, it is recommended to use pH-neutral cleaners. For long-term protection, periodic sealing is advised to maintain the stone's surface integrity.
| Stone Type | Granite |
| Suitable for | Indoor & Outdoor |
| Texture | Granular |
| Mine | Piranshahr, West Azerbaijan |
| Colors | Green، Black، White |
| Qualities | Grade 1، Grade 2، Super، Commercial، Export Grade |
| Thicknesses | 2 cm، 3 cm، 4 cm |
| Compressive | 176 MPa |
| Abrasion | 4 (very high resistance) |
| Water Abs. | 0.09 percent |
| Porosity | 3.01 percent |
Where is Piranshahr Granite quarried and what natural colors are available?
This natural stone is quarried in West Azerbaijan, Iran, and is available in distinctive green, black, and white varieties. These natural color options make it versatile for both classical and contemporary architectural concepts.
Why is Piranshahr Granite recommended for outdoor paving and cold-climate projects?
Its exceptional freeze-thaw durability and ultra-low water absorption of 0.09% prevent frost damage and weather-related degradation. Combined with an abrasion resistance rating of 4 and 3.01% porosity, it endures severe weather conditions and heavy urban foot traffic without deteriorating.
How does the technical performance of Piranshahr Granite compare to marble?
Piranshahr Granite delivers significantly higher scratch, pressure, and acid resistance due to its igneous origin and low water absorption of 0.09%, compared to marble's typical 0.5-2%. While marble is more porous and prone to etching, this granite offers a practical, low-maintenance alternative for high-wear areas.
Which surface finishes are suitable for exterior slip resistance versus indoor wall cladding?
A sandblasted finish provides textured slip resistance for exterior walkways, while polished finishes offer high reflectivity for lobby walls and modern facades, and honed finishes deliver a matte texture. Specifiers can choose the processing technique tailored to both traffic requirements and aesthetic goals.
What critical installation factors should structural engineers consider for Piranshahr Granite cladding?
Engineers must account for the stone's substantial weight by ensuring adequate structural support during architectural design. Additionally, applying proper exterior sealant is recommended to safeguard against moisture ingress, and installation should be managed by experienced stone fabricators.
