Red River Valley Marble is a unique and captivating stone featuring a salmon-pink base enriched with light gray to black grainy, wave-like veining. Its distinct quarzitic crystallization gives it both strength and sparkle, making it a durable yet decorative marble suitable for refined architectural and design applications. This marble is quarried in China, where its natural beauty and durability have made it a sought-after material in both domestic and international markets.

Texture & Pattern

Base Color: Warm salmon pink Veining: Light gray to black, irregular wave-like, sometimes grainy or streaked

Crystallization: Quarzitic crystalline texture with subtle sparkle under light

Visual Character: Elegant, dynamic, and timeless with both contemporary and classic appeal

Technical Test Results (Typical Values, by weight/strength)

• Bulk Density: ~2.68 g/cm³
• Water Absorption: 0.2 – 0.3 %
• Porosity: <1%
• Compressive Strength: 120 – 145 MPa
• Flexural Strength: 13 – 16 MPa
• Modulus of Rupture: ~14 MPa
• Abrasion Resistance: 15 – 18 mm
• Hardness (Mohs): 3.5 – 4

Chemical Composition (% by weight)

• CaCO₃ (Calcium Carbonate): 82 – 88%
• SiO₂ (Silica/Quartz): 6 – 10%
• MgCO₃ (Magnesium Carbonate): 2 – 4%
• Fe₂O₃ (Iron Oxide): 1 – 2% (responsible for pink hues)
• Al₂O₃ (Alumina): 0.5 – 1%
• Other Trace Elements: <1%

Mineral Composition (% by weight)

• Calcite: 75 – 82%
• Quartz: 8 – 12%
• Mica & Feldspar: 3 – 5%
• Iron-bearing minerals: 1 – 2%
• Others: <1%

Applications & Usage

• Interior Flooring & Wall Cladding
• Bathroom Vanity Tops & Countertops
• Fireplace Surrounds
• Staircases & Decorative Features
• Lobby, Hotel & Luxury Residential Projects
• Tabletops & Custom Furniture Elements

(Not recommended for heavy traffic outdoor pavements due to moderate hardness.)

Maintenance

Regular cleaning with pH-neutral stone cleaners. Avoid acidic or abrasive products (e.g., vinegar, bleach). Apply high-quality impregnating sealer every 1–2 years to prevent staining. Wipe spills promptly to avoid etching from acidic substances (wine, citrus, vinegar).

Available Cutting Sizes (cm)

• Slabs: 250–320 × 120–200 × 2 / 3 cm
• Tiles: 30 × 30, 60 × 30, 60 × 60, 60 × 90, customized on request
• Cut-to-size projects also available for staircases, vanity tops, and cladding

Surface Finish Options

• Polished – high gloss, enhances color depth
• Honed – smooth, matte finish for softer appearance
• Satin / Leathered – textured with soft sheen
• Sandblasted – slip-resistant, rough surface
• Bush-hammered – rugged, tactile texture for exterior use
• Brushed / Antique – aged, warm look