Angola Black Granite
| Item | Details |
|---|---|
| Rock Character | Granite |
| Original Name | Angola Black |
| Other Name(s) | Negro Angola, Labrador Angola, African Black |
| Country of Origin | Angola, Africa |
| Quarry Location | Huila, Angola |
| Thickness | 10mm, 12mm, 15mm, 20mm, 30mm, 50mm, 100mm |
| Slab Size | 1800-3000mm x 900-1500mm |
| Tile Size | 305x305mm, 305x610mm, 457x457mm, 610x610mm, 610x914mm, cut-to-size |
| Finishes | Polished, honed, flamed, sandblast, waterjet, chiseled, bushhammered, rock face |
| Applications: | Flooring and wall cladding, countertops, monuments, etc. |
Description
Origin
African Black Granite is a premium natural stone renowned for its deep, consistent black color and exceptional durability. Quarried in Angola, a country located in Southern Africa, this granite is primarily sourced from the northern regions, where the stone is extracted in large blocks. These blocks are then shipped to China to be further processed into slabs and tiles, ready for use in various applications. The quarries in Angola are known for producing some of the finest black granite in the world, making it a highly sought-after material in the global market.
Color
The color of African Black Granite ranges from solid black to dark charcoal, often featuring subtle mineral flecks that add depth and character to the stone. Its fine-grained texture and ability to hold a high polish give it a sleek, modern appearance, making it a popular choice for high-end design projects. The stone’s uniformity and elegant finish make it stand out among other black granites, offering a timeless aesthetic that complements both contemporary and traditional designs.
Applications
African Black Granite is widely used in both residential and commercial applications. It is commonly employed for countertops, flooring, wall cladding, and outdoor paving. Its durability, resistance to heat, and scratch-resistant properties make it ideal for kitchens and bathrooms. Additionally, its luxurious appearance enhances architectural designs, making it a preferred choice for monuments, memorials, and high-end interior spaces.
Explore Finishes
Technical Specifications (Testing Data)
| Property | Imperial Units | Metric Units | ASTM Standard |
|---|---|---|---|
| Density | 175–180 lb/ft³ | 2,800–2,880 kg/m³ | ASTM C97 |
| Water Absorption | ≤ 0.30% | ≤ 0.30% | ASTM C97 |
| Compressive Strength | ≥ 20,000 psi | ≥ 138 MPa | ASTM C170 |
| Flexural Strength | ≥ 1,500 psi | ≥ 10.3 MPa | ASTM C880 |
| Abrasion Resistance | ≥ 12 (Ha) | ≥ 12 (Ha) | ASTM C241/C1353 |
| Modulus of Rupture | ≥ 1,800 psi | ≥ 12.4 MPa | ASTM C99 |
| Porosity | ≤ 0.4% | ≤ 0.4% | ASTM C97 |
| Thermal Expansion | 4.0–5.0 x 10⁻⁶ in/in²/F | 7.2–9.0 x 10⁻⁶ mm/mm²°C | ASTM E228 |
| Thermal Conductivity | 1.5–2.0 BTU·in/(hr·ft²·°F) | 0.22–0.29 W/(m·K) | ASTM C177 |
FAQs
1. What is Nero Angola Granite?
Nero Angola Granite is a natural stone known for its deep black color and fine-grained texture. It is commonly used for countertops, flooring, and other architectural applications.
2. Where is Nero Angola Granite quarried?
Nero Angola Granite is quarried in Angola, a country located in Southern Africa. It is prized for its durability and aesthetic appeal.
3. What are the key properties of Nero Angola Granite?
Nero Angola Granite is known for its high density, low porosity, and excellent compressive strength. It is also resistant to abrasion and has a low water absorption rate.
4. Is Nero Angola Granite suitable for kitchen countertops?
Yes, Nero Angola Granite is an excellent choice for kitchen countertops due to its durability, resistance to scratches, and heat resistance.
5. How do I maintain Nero Angola Granite?
Regular cleaning with a mild detergent and water is usually sufficient. Sealing the granite periodically will help maintain its appearance and protect it from stains.
6. Can Nero Angola Granite be used outdoors?
Yes, Nero Angola Granite is suitable for outdoor use, including paving and cladding, due to its resistance to weathering and durability.
7. What finishes are available for Nero Angola Granite?
Nero Angola Granite is available in various finishes, including polished, honed, and flamed. The polished finish is the most popular for its glossy appearance.
8. How does Nero Angola Granite compare to other black granites?
Nero Angola Granite is comparable to other black granites like Absolute Black and Black Galaxy in terms of durability and appearance. However, it may have unique mineral compositions and patterns.
9. Is Nero Angola Granite expensive?
The cost of Nero Angola Granite can vary depending on factors like finish, thickness, and market conditions. It is generally considered a premium material.
Can Nero Angola Granite be customized?
Yes, Nero Angola Granite can be customized to fit specific dimensions and designs. It can be cut, shaped, and finished according to project requirements.
