Stone Information
Kund Black Slate is a premium natural dimensional stone quarried in India, celebrated for its deep, rich black base adorned with striking organic white, light gray, and ochre-tan mineral inclusions. Its distinct naturally cleft texture reveals fine sedimentary layers, gentle fissures, and a softly weathered surface that evokes rustic authenticity and timeless geological character. Ideal for projects seeking raw, natural elegance with historical depth, this slate combines durability with an untouched aesthetic, making it a preferred material for both interior and exterior applications.
Visual & Textural Characteristics
- Color Palette: Dominant charcoal to jet black background with scattered white, light gray, and rusty ochre/tan mineral inclusions.
- Pattern: Organic, non-repetitive speckles, cloud-like patches, and faint linear veins that create a “starry night” or geological map effect.
- Surface Texture: Naturally cleft—uneven, layered, and tactile with visible strata and fine cracks. Softly weathered for rustic appeal.
- Light Interaction: Matte, low-reflectivity surface; texture and color variations become pronounced under direct light.
Technical Specifications
Physical & Mechanical Properties
| Property | Typical Range / Value |
|---|
| Hardness (Mohs) | 4–5 |
| Water Absorption | 0.3–0.6% |
| Compressive Strength | 80–120 MPa |
| Flexural Strength | 8–15 MPa |
| Slip Resistance (Wet) | High (natural cleft texture) |
| Frost Resistance | Good (suitable for exterior) |
Mineral & Chemical Composition (% by Weight)
- Clay Minerals & Mica: 60–70%
- Quartz (SiO₂): 20–30%
- Iron Oxides (Fe₂O₃/FeO): 3–8% (contributes to ochre/tan tones)
- Carbon & Organic Matter: Traces (enhances black coloration)
- Other Trace Minerals: <2%
Available tile size(s)
Forms
- Slabs | Tiles | Wall Cladding | Flooring | Roofing | Coping | Flagstones
Standard Sizes
- Cladding Tiles: 30×60 cm, 60×60 cm, 30×30 cm
- Flooring Slabs: 40×40 cm, 50×50 cm, random flagstone sizes
- Thickness: 1–2 cm (cladding), 2–3 cm (flooring/paving), custom thickness available
Available surface finishes
Surface Finish Options
- Waterjet: Precision-cut edges for modern applications.
- Honed: Smooth, matte finish for a contemporary look.
- Brushed: Textured, tactile surface with enhanced grain.
- Sanded: Uniform matte finish with fine grit.
- Tumbled: Antiqued, softened edges for a weathered appearance.
- Sawn Cut: Raw, straight-from-the-saw texture.
- Leathered: Pebbled, tactile finish that highlights natural contours.
Stock Information
Direct Quarry Source: Ensures quality control and competitive pricing.✅
Wide Processing Capabilities: From natural cleft to precision waterjet finishes.✅
End-to-End Service: Technical support, customization, and logistics assistance.✅
Global Export Experience: Trusted by architects, designers, and builders worldwide.
Contact Malbros Group for samples, detailed quotations, or project-specific guidance. Let Kund Black Slate bring rugged elegance and enduring character to your architectural vision.
Packing Details
- Slabs: Wooden crates with foam padding, waterproof wrapping, and corner protectors.
- Tiles: Cardboard boxes with foam separators, palletized, and stretch-wrapped.
- Custom Pieces: Packed according to size, shape, and fragility.
Shipping Details
Shipping Method
- Port of Loading: Mundra, Mumbai, or Chennai, India.
- Shipping Terms: FOB, CIF, or CFR to major global ports.
- Transit Time: 3–5 weeks (subject to destination and customs clearance).
Payment Details
- Terms: 30% advance with order confirmation, 70% balance before shipment.
- Methods: Bank Transfer (T/T), Letter of Credit (L/C).
- Custom Quotes: Available for project-based or large-volume orders.
Usage Informations
Applications
- Exterior: Roofing, wall cladding, garden paving, pool coping, patio stones, retaining walls.
- Interior: Feature walls, fireplace surrounds, floor tiles, bathroom cladding, tabletops.
- Landscape: Pathways, stepping stones, water features, decorative garden elements.
Other
Care & Maintenance
- Sealing: Recommended for interior floors, bathrooms, and kitchen backsplashes to prevent staining.
- Cleaning: Use pH-neutral stone cleaners; avoid acidic or abrasive chemicals.
- Natural Aging: Develops a dignified patina over time, enhancing its rustic character.
- Protection: For exterior use, ensure proper slope and drainage to prevent water pooling.