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SUPREMEGRANITE & STONES

© 2026 Supreme Granite & Stones | Designed with precision by Vivek Jain

© 2026 Supreme Granite & Stones | Designed with precision by Vivek Jain

Display of Natural Blue Kota Stone tiles showcasing premium blue limestone from Rajasthan, suitable for outdoor flooring, patios, walkways, landscaping, courtyards, terraces, driveways, and commercial spaces.
Display of Natural Blue Kota Stone tiles showcasing premium blue limestone from Rajasthan, suitable for outdoor flooring, patios, walkways, landscaping, courtyards, terraces, driveways, and commercial spaces.

Images are for reference only. For exact color and texture, request samples or visit our showroom.

Natural Blue Kota Stone

SKU: KS-06-NBKS

4.8/5
(86 reviews)

Natural Blue Kota Stone is a premium limestone quarried from the Kota region of Rajasthan, India. Celebrated for its cool blue-grey appearance and exceptional durability, this natural stone is widely used in both residential and commercial architecture. Rather than displaying a single shade of blue, the stone naturally exhibits a sophisticated blend of slate blue, steel grey, smoky grey, and subtle bluish-green undertones that evolve with changing light, moisture, and viewing angles.

Its naturally textured surface provides excellent slip resistance, making it an ideal choice for patios, terraces, courtyards, garden pathways, pool surrounds, and outdoor landscapes. Indoors, its contemporary color palette complements minimalist, industrial, modern, and luxury interiors while providing a timeless natural finish.

Natural Blue Kota Stone remains relatively cool under direct sunlight, withstands heavy foot traffic, and requires minimal maintenance, making it one of India's most trusted natural paving and flooring materials for long-term performance.

Note: Depending on lighting, moisture, finish, and viewing angle, the stone may appear blue-grey, slate grey, charcoal blue, or soft greenish-grey, giving every installation a naturally dynamic appearance.

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Material & Sourcing Overview

Verified Specifications

Quick Answer

Supreme Granite & Stones supplies Natural Blue Kota Stone (Kota Stone) with natural grain patterns. Sourced from quarries in India (Rajasthan), slabs are processed and stocked at our Jigani yard near Bangalore for residential, commercial and architectural projects across India.

In-Depth Overview

This Natural Blue Kota Stone slab is quarried in India (Rajasthan). Blocks are wire-saw cut to maintain structural integrity before transport to our Jigani yard in Bangalore for sizing, finishing and dispatch.

Best Applications

Natural Blue Kota Stone is suitable for applications including High-Traffic Flooring, Wall Cladding, Outdoor / Patio, Bathroom Vanity, Pooja Room, Interior spaces/designes, Exterior spaces/designes. It is commonly used for kitchen countertops, island counters, flooring and wall cladding.

Not Recommended For

We do not recommend using unsealed Natural Blue Kota Stone in areas of continuous moisture immersion (such as inside fountains or saunas) without applying specialty waterproof stone sealants on all six sides of the slab.

Advantages

  • High compressive strength and natural structural integrity
  • Mohs hardness of 4 for high scratch resistance
  • Direct quarry sourcing in India (Rajasthan)
  • Impressive thermal tolerance (does not scorch or crack under heat)
  • Natural mineral grain structure with high wear resistance

Considerations

  • Requires high-quality penetrating sealers to preserve porous structure
  • Requires professional stone fabrication and expert joint sealing
  • Heavy weight necessitates reinforced cabinetry or level substrates

Selection & Grades Matrix

Grade / ThicknessBest Use CaseVisual Appeal
20 mm Standard SlabsKitchen countertops, vanity counters, stepsHigh polish or honed consistency
30 mm Heavy-Duty SlabsCommercial entries, exterior facades, pathwaysSubstantial structural presence
Custom Tiles / ProfilingPooja room surrounds, wall borders, bathroom vanitiesMatching vein geometry
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Stone Expert Tip:Our stone operations specialists in Jigani recommend Natural Blue Kota Stone for projects needing durable surfaces with straightforward maintenance. It performs reliably for kitchen counters, vanity counters and high-traffic flooring.

📐Specifications & Dimensions

Thickness📏 20 mm
CategoryKota Stone

Technical Details

OriginIndia (Rajasthan)
Hardness (Mohs)4
PorosityMedium
VeiningUniform
Color DescriptionNatural slate blue with cool steel-grey, smoky grey, and subtle bluish-green undertones.
Acid ResistantYes
UV ResistantYes

Available Finishes

PolishedHonedLeatheredBush HammeredSandblasted

Stone Highlights

  • Standard 20 mm Thickness
  • Large Slab Sizes Available
  • Factory Finished Premium Surface
  • Premium Quality Grade
  • Suitable for Custom Cutting & Layouts

Frequently Asked Questions

What thickness is this Natural Blue Kota Stone granite?

This stone is supplied in a standard 20 mm thickness.

Which slab sizes are available for Natural Blue Kota Stone?

4×4, 5×2, 3×2, 2×1, 2×2, 2×4 ft.

Why does Natural Blue Kota Stone appear different in different lighting?

Natural Blue Kota Stone contains subtle mineral variations that reflect light differently. It may appear slate blue, steel grey, smoky grey, or slightly greenish depending on sunlight, indoor lighting, moisture, finish, and viewing angle.

Is Natural Blue Kota Stone suitable for outdoor flooring?

Yes. Its weather resistance, natural slip-resistant surface, and durability make it ideal for patios, terraces, pathways, courtyards, and outdoor landscaping.

Does the stone become slippery when wet?

The natural finish offers good slip resistance, making it suitable for outdoor areas and pool surrounds. Polished finishes are generally recommended for interior applications.

Can Natural Blue Kota Stone be polished?

Yes. It is available in natural, honed, semi-polished, polished, brushed, antique, and leather finishes to suit various architectural styles.

Does every slab have the same shade?

No. Each slab displays slight natural variations in tone and texture, giving the finished installation an authentic and unique appearance.

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Material Characteristics & Sourcing Details

Overview of geological properties, quarry sources, suitable applications, and regional project guides for Natural Blue Kota Stone.

Natural Blue Kota Stone Technical & Sourcing Guide

Review detailed technical specifications, application suitabilities, local availability, and expert buying tips compiled by Supreme Granite & Stones.

📐 Technical Specifications

Overview

Supreme Granite & Stones supplies Natural Blue Kota Stone (Kota Stone) with natural grain patterns. Sourced from quarries in India (Rajasthan), slabs are processed and stocked at our Jigani yard near Bangalore for residential, commercial and architectural projects across India.

History of Stone

Natural Blue Kota Stone is a natural Kota Stone with a dense crystalline mineral formation, valued in residential and commercial construction for its longevity and surface character.

Origin

This Natural Blue Kota Stone slab is quarried in India (Rajasthan). Blocks are wire-saw cut to maintain structural integrity before transport to our Jigani yard in Bangalore for sizing, finishing and dispatch.

Quarry Information

Blocks of Natural Blue Kota Stone from India (Rajasthan) are graded by color consistency, veining pattern and structural density. Sequential slabs from the same block are grouped together to support bookmatching and pattern alignment across large surfaces.

Mineralogy

Geologically classified as a fine-grained sedimentary stone, Natural Blue Kota Stone possesses an interlocking crystalline structure with high density, helping prevent deep staining and giving it high compressive strength.

Composition

The mineral composition is predominantly Calcium Carbonate mixed with silica and clay minerals. This geological structure accounts for its physical hardness and natural surface texture.

Physical Properties: Compressive Strength

Natural Blue Kota Stone has a very high compressive strength, making it ideal for load-bearing applications like steps, floor slabs, and heavy kitchen countertops. It resists cracking and bending under ordinary household loads.

Physical Properties: Durability

The durability of Natural Blue Kota Stone is exceptional. Unlike porcelain or ceramic tiles which can chip or crack under impact, this natural Kota Stone slab absorbs impacts gracefully and can be repolished if necessary to restore its original luster after decades of use.

Physical Properties: Heat Resistance

With its origin as a Kota Stone formed under compaction of marine skeletons, calcite, and clay particles at the bottom of ancient shallow seas, Natural Blue Kota Stone exhibits superb thermal tolerance. It does not scorch, burn, or crack when exposed to ordinary cooking heat. However, to shield the surface seal and protect the structural bonds from thermal shock, we recommend using trivets or hot pads.

Physical Properties: Water Resistance

This stone features a medium porosity rating. When properly sealed with a penetrating stone impregnator, it creates an impervious barrier that prevents water, coffee, wine, and oils from sinking into the stone. Spills should be wiped up promptly, especially on lighter-colored slabs, to maintain pristine cleanliness.

Physical Properties: Scratch Resistance

Boasting a Mohs hardness rating of 4, Natural Blue Kota Stone possesses a highly scratch-resistant surface. It easily resists scratches from keys, utensils, and typical objects. While direct cutting with steel knives is unlikely to scratch the stone, we recommend using cutting boards to prevent dulling your kitchen knives.

Physical Properties: Weather Resistance

Natural Blue Kota Stone is highly UV-resistant and weather-stable, making it suitable for outdoor facades and walkways. Its color will not fade or yellow under direct sunlight, unlike synthetic materials containing acrylic resins.

Physical Properties: Chemical Resistance

moderately reactive to strong acids, requiring pH-neutral stone soap cleaners to prevent surface dulling. While it is highly durable, avoid exposing the stone to strong industrial solvents, acid-based paint strippers, or pool chlorine chemicals.

Applications & Design

Best Applications

Natural Blue Kota Stone is suitable for applications including High-Traffic Flooring, Wall Cladding, Outdoor / Patio, Bathroom Vanity, Pooja Room, Interior spaces/designes, Exterior spaces/designes. It is commonly used for kitchen countertops, island counters, flooring and wall cladding.

Not Recommended For

We do not recommend using unsealed Natural Blue Kota Stone in areas of continuous moisture immersion (such as inside fountains or saunas) without applying specialty waterproof stone sealants on all six sides of the slab.

Indoor Uses

Within interior layouts, Natural Blue Kota Stone is commonly utilized for kitchen countertops, island tables, breakfast counters, vanity tables, and Pooja room platforms. Its uniform veining brings a sense of luxurious space to lobbies, living room flooring borders, and dynamic wall cladding accents.

Outdoor Performance

For outdoor applications, Natural Blue Kota Stone stands up to natural weathering elements without losing its structural strength. In flamed, honed, or lapotra finishes, it is highly suitable for outdoor steps, pathway pavers, pool decks, and exterior architectural dry cladding facades that undergo direct sun and rain.

Residential Suitability

For residential projects, this stone is suitable for kitchen counters, living room flooring, staircases and bathroom vanity tops in villas and apartments.

Commercial Suitability

In commercial spaces, its durability makes it perfect for high-traffic lobby floors, elevator surrounds, corporate reception counters, and conference room tables.

Luxury Projects

For custom residential layouts, sequential slabs can be bookmatched for feature walls, large kitchen islands and entrance foyers.

Hotel Projects

Its high compressive strength and premium appearance are ideal for five-star hotel receptions, guest suite bathrooms, and bar countertops.

Hospital Projects

Its dense, non-porous nature when sealed prevents bacteria buildup, satisfying hygiene standards for clean hospital countertops, laboratories, and lobby areas.

School & College Projects

For schools and colleges, this durable material is excellent for corridor staircases, cafeteria counters, and laboratory desks due to its low maintenance cost.

Airport Projects

Ideal for heavy-traffic public corridors and terminal check-in counters where resistance to thousands of bag-drags and continuous cleaning is required.

Restaurant Projects

Perfect for bar tops, buffet counters, and kitchen prep areas because it resists food-acid stains and thermal shock from hot plates.

🛒 Buying & Sourcing Guide

Buying Guide Summary

To procure Natural Blue Kota Stone, simply request a stock check by calling +91 9066804666 or messaging on WhatsApp. Our team will share live slab photographs, coordinate price quotes based on your dimensions, and invite you to our showroom for final selection before dispatch.

Inspection Checklist

When inspecting slabs at our Jigani yard, check for: 1. Pattern consistency across the batch. 2. Absence of deep cracks or fissures. 3. Back-netting quality. 4. Uniformity of thickness (20mm). 5. Levelness of the polished surface.

Transportation

Slabs are transported vertically using specialized wooden or steel A-frames secured with heavy-duty ratchets to prevent movement during transit. This ensures zero damage from Jigani to your project site.

Storage

Store slabs vertically in a shaded area, elevated off the ground on wooden sleepers. Do not store slabs flat, as this puts stress on the center of the stone and can cause cracking.

Stone Comparison

Compared with printed tiles and composite surfaces, natural Natural Blue Kota Stone provides high heat tolerance, individual slab character, and a solid stone body that can be repolished over time.

Future Trends

Natural stone surfaces like Natural Blue Kota Stone remain popular for architectural projects because of their longevity, natural variation and repairability.

🛡️ Care & Maintenance

Maintenance

Maintaining Natural Blue Kota Stone is straightforward. We recommend applying a high-quality penetrating impregnating sealer after installation to protect its natural crystalline pores. Depending on foot traffic and exposure, resealing should be repeated every 1 to 2 years. Sweep regularly to prevent abrasive dust particles from scratching the surface polish.

Cleaning Tips

For daily cleaning, use a clean damp microfiber cloth with warm water and a pH-neutral liquid dish soap or specialized stone soap. Do NOT use acidic cleaners, vinegar, glass cleaners, bleach, or ammonia, as these chemicals can strip the sealer and permanently dull the polished finish of the Kota Stone.

Installation Guide

Ensure that the supporting substrate or cabinet framework is completely level and reinforced before laying the slabs. Use premium stone adhesives or epoxy compounds rather than standard mortar to prevent moisture staining. A professional fabricator should handle joint sealing and color-matched epoxy fills.

Polishing Guide

To restore original gloss over time, natural stone slabs can be buffed using diamond polishing pads (from 50 to 3000 grit) and premium stone buffing powder. Always consult a stone specialist before polishing.

FAQs

Common questions: Is Natural Blue Kota Stone acid-resistant? Natural granite has high acid resistance, but it should be protected from harsh pool or industrial acids. Can I visit the Jigani yard? Yes, we encourage visiting our Jigani yard near Bangalore to view the slabs in person and confirm availability.

Common Problems & Fixes

The most common issue is oil staining from spills left overnight. This can be resolved by applying a baking soda and water paste (poultice) over the stain, covering it with plastic wrap for 24 hours, then scraping it away.

Expert Recommendation

Our stone operations specialists in Jigani recommend Natural Blue Kota Stone for projects needing durable surfaces with straightforward maintenance. It performs reliably for kitchen counters, vanity counters and high-traffic flooring.

Builder Recommendation

Builders prefer this stone due to its consistent block quality and bulk availability at Jigani, making it cost-effective for multi-unit luxury villa developments.

Architect Recommendation

Architects choose Natural Blue Kota Stone because of its unique mineral grain pattern, which allows for clean lines and natural visual interest in open-plan luxury homes.

Interior Designer Recommendation

Interior designers recommend pairing this stone with wooden cabinetry and warm ambient lighting to highlight the rich mineral crystals and natural vein texture.

What is the price of granite in Jigani?

Pricing depends on slab grade, finish, and thickness. Contact our team for current stock and factory-rate quotes based on your project requirement.

Which granite is best for kitchen?

For kitchens, choose dense low-porosity natural blue kota stone slabs with stain resistance and practical maintenance. We help shortlist options based on usage and design preference.

Is this stone suitable for outdoor use?

Outdoor suitability depends on finish texture, weather exposure, and slip-resistance requirements. We recommend project-fit options for patios, walkways, and external cladding.

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