Sadarahalli Granite, also known as Sadarahalli Grey Granite, is a type of granite that is predominantly found in the Sadarahalli region of Karnataka, India. It is a popular choice for construction and architectural purposes due to its unique color and texture.

Sadarahalli Granite is characterized by its grayish background color, which may range from light gray to medium gray. It often features a consistent pattern with small, scattered black and white speckles throughout the surface. The speckles can vary in size and distribution, adding depth and visual interest to the stone.

Texture & Pattern

• Texture: Fine-grained and compact.
• Color: Uniform light to medium gray with scattered black and white speckles.
• Pattern: Salt-and-pepper look (classic granitic pattern), with evenly distributed quartz and feldspar grains.
• Visual Appeal: Neutral and minimal, making it suitable for modern and traditional design aesthetics.

Physical & Mechanical Properties (Typical Ranges)

• Density: ~2.63 – 2.70 g/cm³
• Water Absorption: ~0.25 – 0.35% by weight
• Porosity: ~0.2 – 0.4%
• Compressive Strength: ~180 – 210 MPa
• Flexural Strength: ~12 – 17 MPa
• Modulus of Rupture: ~18 – 25 MPa
• Hardness (Mohs scale): 6 – 7
• Abrasion Resistance: High
• Weather Resistance: Excellent

Note: Results can slightly vary depending on quarry batch.

Chemical Composition (% by Weight)

• SiO₂ (Silica): 65 – 72%
• Al₂O₃: 12 – 14%
• K₂O + Na₂O: 6 – 8%
• Fe₂O₃ + FeO: 2 – 4%
• CaO + MgO: ~1 – 2%
• TiO₂: <1%

Mineral Composition

• Quartz: 30 – 40%
• Feldspar: 40 – 50%
• Mica (Biotite): 5 – 10%
• Other minerals: Trace

This granite variety is highly regarded for its durability, making it suitable for both interior and exterior applications. It is commonly used in flooring, wall cladding, kitchen countertops, bathroom vanities, and other decorative elements. Sadarahalli Granite's natural strength and resistance to wear and tear make it a practical choice for high-traffic areas.

The unique aesthetics of Sadarahalli Granite, with its neutral gray tones, make it versatile and complementary to a variety of design styles. It can blend well with both modern and traditional interiors, providing a sleek and elegant appearance.

As with any natural stone, variations in color and pattern may occur, even within the same quarry. It is advisable to view samples or images of Sadarahalli Granite before making a selection to ensure it aligns with your specific project requirements and desired aesthetic outcome. Consulting with local stone suppliers or professionals with expertise in natural stone can also provide valuable insights and guidance.