Black Galaxy Granite (also known as Star Galaxy) is one of the most celebrated exotic stones in the world. Formed by slow-cooling magma deep in the earth’s crust, it features a pitch-black gabbro background studded with naturally occurring golden-copper bronzite crystals. Under both natural and ambient lighting, these metallic inclusions glitter like a cosmic night sky. Its dense, non-porous structure and exceptional surface hardness make it the ultimate statement piece for luxury residential villas, 5-star hotels, and corporate architecture.

Application Areas

• Kitchen Countertops & Waterfall Islands: Highly impervious to hot pans, knife scratches, and acidic food stains, ensuring an ultra-hygienic, easy-to-clean workspace.

• Luxury Indoor Flooring: Produces a dazzling, reflective expanse across grand entry foyers, hotel lobbies, and living rooms.

• Bathroom Vanity Counters & Cladding: Low water absorption prevents moisture rings, soap residue buildup, and watermarks.

• Feature Accent Walls & Backdrops: Creates high-contrast backdrops for reception desks, fireplace surrounds, and bar consoles.

• Staircases & Treads: Withstands continuous heavy pedestrian traffic without losing its polished luster or structural edge definition.

Technical Specifications

• Edge Profiles: Machine Cut, Sawn Edge, Beveled Edge, Bullnose Edge

• Hardness: 6.5 to 7 on the Mohs Scale

• Density: 2.95 – 3.05 g/cm³ (Ultra-dense igneous rock)

• Water Absorption / Porosity: < 0.15% (Superior moisture and chemical barrier)

• Compressive Strength: 210 to 260 MPa

• Weather Resistance: UV-stable with no discoloration, complete thermal stability

Why Earth Crown India

At Earth Crown India, we source Black Galaxy blocks directly from the most reputable quarries in Andhra Pradesh, carefully selecting slabs with high bronzite concentration and uniform black depth. Slabs and cut-to-size tiles are processed on Italian multi-head line polishing machines, guaranteeing consistent thickness, precise edge profiling, and mirror-gloss export quality.