Fantasy Grey Granite (Nero Santiago Granite)

Quarried in the Shandong Province of China, Fantasy Grey Granite is a premium natural stone that combines contemporary elegance with structural durability. It is highly favored in both residential and commercial projects worldwide for its sophisticated coloration and intricate veining.

Visual Appearance

• Primary Colors: Shades of blue and silver gray
• Veining: Distinct gray veining patterns that organically meander across the surface
• Texture: Uniform, fine- to medium-grained crystalline structure
• Pattern: Interplay of dynamic veins over a balanced cool-toned background creates a layered and dimensional effect
• Visual Effect: Contemporary, refined, and luxurious — ideal for modern interiors and architectural accents

Technical Specifications

• Density (ASTM C97) .... ~2.63 g/cm³ (2630 kg/m³)
• Water Absorption .... ~0.30–0.40%
• Compressive Strength .... ~180 MPa (26,000 psi)
• Flexural Strength .... ~15–17 MPa
• Abrasion Resistance .... High – suitable for heavy traffic
• Slip Resistance (Dry) .... High (especially in flamed/brushed finishes)
• Hardness (Mohs Scale) .... ~6–7
• Porosity .... Low
• Freeze-Thaw Resistance .... Excellent

Chemical Composition (% by weight)

• SiO₂ (Silicon Dioxide): 68–75%
• Al₂O₃ (Aluminum Oxide): 12–14%
• K₂O (Potassium Oxide): 4–5%
• Na₂O (Sodium Oxide): 3–4%
• Fe₂O₃ (Iron Oxide): 1–2%
• MgO (Magnesium Oxide): <1%
• CaO (Calcium Oxide): <1%
• TiO₂, MnO, and trace minerals: <1%

Mineralogical Composition

• Quartz: 30–35%
• Plagioclase Feldspar: 30–40%
• Potassium Feldspar: 20–25%
• Biotite & Muscovite (Mica): 5–10%
• Accessory minerals (hornblende, magnetite, etc.): trace

Applications

Interior Use:

• Kitchen countertops & islands
• Bathroom vanities
• Wall cladding
• Floor tiles
• Fireplace surrounds
• Staircases and thresholds

Exterior Use:

• Paving stones and tiles
• Façade cladding
• Outdoor kitchen countertops
• Monuments and benches

Surface Finish Options

• Polished: High gloss, emphasizes color and veining; best for interiors
• Honed: Matte finish with soft elegance, suitable for floors and wall panels
• Brushed (Antiqued): Subtle texture with softened colors
• Flamed: Rough and slip-resistant, ideal for exteriors and wet areas
• Leathered: Tactile, soft-textured matte finish, popular for countertops
• Sandblasted: Uniformly textured anti-slip surface
• Bush-Hammered: Rugged texture for high-friction outdoor use

Standard Cutting Sizes (cm)

Slabs:

• 260 x 140 cm
• 280 x 160 cm
• Thickness: 2 cm, 3 cm (other custom thicknesses available)

Tiles:

• 30 x 30 cm
• 30 x 60 cm
• 60 x 60 cm
• 60 x 120 cm
• Custom sizes available

Maintenance

• Sealing: Recommended for countertops and high-use areas; apply every 1–2 years
• Cleaning: Use pH-neutral stone cleaners; avoid acidic or abrasive products
• Stain Resistance: Excellent, especially when sealed properly
• Scratch Resistance: Very good due to high quartz content
• Heat Resistance: Excellent — suitable for kitchen and fireplace use
• Outdoor Durability: UV- and weather-resistant, suitable for all climates including freeze-thaw conditions