What is black galaxy granite?

Black Galaxy Granite, also known as Star Galaxy, is a popular natural stone with a black background and metallic gold or white specks. It is primarily found in Chimakurthy, Ongole, Prakasam District, Andhra Pradesh, India. This granite is durable, heat-resistant, and suitable for indoor and outdoor applications like kitchen countertops, bathroom or walls & floors.. It is low maintenance but requires annual sealing. The cost ranges from $50 to $100 per square foot or Euro 400 up to 900 per square meter. Each slab is unique, and it is a popular choice for residential and commercial projects worldwide. Black Galaxy Granite is highly Reccomended in honed or polished finish, In stock in 20mm or 30mm thick slab, ask now!



Specification Description
Material Name Black Galaxy Granite
Type Natural Stone
Color Predominantly black with metallic gold or white/silver specks
Origin Chimakurthy, Ongole, Prakasam District, Andhra Pradesh, India
Alternate Names Star Galaxy, Galaxy Black
Primary Mineral Composition Feldspar, Quartz, Biotite
Density 2.95 – 3.07 g/cm³
Water Absorption 0.05% – 0.2%
Porosity Low
Hardness (Mohs Scale) 6.5 – 7
Compressive Strength 290 – 320 MPa
Flexural Strength 20 – 25 MPa
Finish Options Polished, Honed, Leathered
Surface Appearance Glossy (polished), matte (honed), textured (leathered)
Slab Thickness 2 cm (3/4 inch), 3 cm (1 1/4 inch)
Slab Size Varies, typically around 120” x 70” (305 cm x 180 cm)
Tile Sizes Commonly 12” x 12”, 18” x 18”, 24” x 24”
Edge Profiles Eased, Bullnose, Beveled, Ogee, Half Bullnose, and more
Common Applications Kitchen countertops, bathroom vanities, flooring, wall cladding, fireplaces, exterior cladding, paving, monuments
Durability Highly durable and long-lasting
Heat Resistance Excellent
Scratch Resistance High
Stain Resistance High, if properly sealed
UV Resistance High, suitable for outdoor use
Maintenance Requirements Regular cleaning with mild detergent, sealing recommended annually
Price Range $50 – $100 per square foot, depending on quality and source

*If you are a private client, contractor, architect, or designer, we can deliver to you wherever you are. All you need to do is find a stone fabricator or manufacturer in your area where we can deliver our product.