Honed Excalibur Quartzite slab featuring dramatic brecciated patterns in gray, brown, beige and muted pink tones displayed in Landiview Stone showroom
Excalibur Quartzite quarry block with natural brecciated patterns and extraction markings at the quarry
Excalibur Quartzite kitchen island with a waterfall edge and matching countertops in a contemporary kitchen
Excalibur Quartzite double vanity with integrated rectangular sinks and mitered front edges in a luxury bathroom
Excalibur Quartzite curved staircase with matching treads and risers in a luxury double-height interior
Excalibur Quartzite bathtub deck and surround with mitered edges in a contemporary bathroom
Excalibur Quartzite fireplace surround and raised hearth with mitered edges in a contemporary living room
Brazilian Excalibur Quartzite Slab
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Executive Summary
Choose Excalibur Quartzite when a project needs a bold, composition-led natural stone rather than a quiet, repetitive surface. Its brecciated fragments can turn large islands, stairs, fireplaces and bathroom features into the visual focus of an interior, provided that buyers approve actual slabs and plan the cut relationships before fabrication.
Excalibur Quartzite is intended for slab importers, distributors, fabricators, stone contractors, designers, developers and builders seeking Brazilian natural quartzite with pronounced multicolor movement. Landiview Stone can supply slabs for local fabrication or coordinate cut-to-size and finished products from approved drawings and material. The normal commercial route is to confirm current availability, review slab images or videos and slab numbers, define thickness and finish, evaluate usable yield, then establish the fabrication, inspection, packing and delivery scope. Product labels alone do not replace lot-specific inspection or project-specific technical review.
Key Facts
| Specification | Confirmed Product Information |
| Product name | Excalibur Quartzite slab |
| Material | Natural quartzite |
| Origin | Brazil |
| Color and visual character | Dramatic brecciated patterns in gray, brown, beige and muted pink tones |
| Standard slab thickness | 18 mm |
| Optional thicknesses | 20 mm and 30 mm may be specially cut from selected quarry blocks, depending on project requirements and block suitability |
| Recommended finishes | Polished, honed and leathered |
| Recommended applications | Kitchen islands and countertops, bathroom vanity tops, interior staircases, bathtub decks and surrounds, and fireplace surrounds |
| Supply formats | Slabs for importers, distributors and fabricators; project-specific cut-to-size or finished products for qualified project orders |
| Thickness tolerance | Stated standard: ±1 mm. Measurement method and project acceptance criteria should be confirmed in the contract, drawings or inspection standard before ordering. |
| Availability | Subject to current slab or block availability |
| Lot approval | Approve actual slab numbers, images or videos, finish, usable yield, natural variation and any declared treatment before production |
Note: No project-specific physical test values are claimed on this page. ASTM C616/C616M-22 publicly identifies absorption, density, compressive strength, modulus of rupture and abrasion resistance among the properties addressed for quartz-based dimension stone; request representative test documentation when the specification requires it. [1]
Available Finishes and Processing Options
Polished, honed and leathered finishes each change how Excalibur Quartzite's brecciated pattern reads. Finish samples and current slabs should be assessed together because gloss, texture, mineral structure, resin treatment and lighting can alter color depth and contrast.
▌ Polished Finish
Polishing produces the strongest color saturation and reflection, making the gray, brown, beige and muted pink fragments appear deeper and more sharply separated. It is the clearest choice when the project wants the stone to act as a visual centerpiece. Buyers should inspect reflected light for surface consistency and agree how natural fissures, resin-filled areas and mineral differences will be evaluated.
▌ Honed Finish
A honed surface lowers reflection and gives the fragmented composition a softer, more architectural appearance. This can help a large island, vanity or fireplace integrate with matte cabinetry, plaster and timber. Honing may make some minerals or filled areas read differently from a polished control sample, so approval should be based on a representative finished sample or current slab area.
▌ Leathered Finish
Leathering introduces tactile relief and can emphasize the material's mineral boundaries without the mirror effect of polishing. The texture level should be approved because aggressive brushing may affect cleanability, edge detailing and the visual balance between hard and softer mineral zones. Suitability also depends on the application and fabrication details.
▌ Thickness and Custom Processing
The standard slab thickness is 18 mm. When a project requires 20 mm or 30 mm, Landiview Stone can investigate block selection and special slab cutting, subject to block dimensions, integrity, expected yield and current availability. Custom processing may include cutting, edge work, cutouts, mitered build-ups, matching, piece numbering and dry layout. Final dimensions, tolerances, joints, support and installation details must be coordinated through approved drawings and project specifications.
Recommended Applications
Excalibur Quartzite works best where the design can give its large-scale brecciated movement enough uninterrupted area to read as a composition. Slab selection and layout are therefore as important as the application itself.
▌ Kitchen Island and Countertop
On a large island, Excalibur Quartzite creates a layered, geological focal point that can connect warm timber, bronze, taupe or charcoal finishes. A waterfall end can carry the brecciated pattern from the horizontal surface to the floor, but the selected cuts should be simulated to control transitions at miters and visible returns. Sink and cooktop positions must be coordinated with slab features, support and handling risk.
▌ Bathroom Vanity Top
A vanity top uses the stone's warm beige and muted pink fragments to add depth to neutral bathrooms. A mitered fascia or integrated stone sink can make the material appear more monolithic, while paired basins require deliberate visual balance across the full elevation. Review cutout locations, faucet clearances, edge geometry and reinforcement before production.
▌ Interior Staircases
Used on treads and risers, the fragmented pattern becomes rhythmic as the staircase rises, producing a more sculptural effect than a uniform stone. Curved or feature stairs need careful piece sequencing, edge treatment, substrate coordination and slip-resistance review. Finish selection and installation must follow the project specification, local requirements and qualified professional advice.
▌ Bathtub Deck and Surround
A bathtub deck and surround can present Excalibur Quartzite as a low, continuous architectural volume. Broad horizontal surfaces reveal the material's complex fragments, while mitered corners can visually connect the top and vertical faces. Wet-area detailing, joints, waterproofing, support, sealant compatibility and maintenance must be resolved by the project team and qualified installers.
▌ Fireplace Surround And Hearth
A fireplace surround frames the fire with dense mineral movement and warm earth tones, making the fireplace the room's visual anchor. Slab layout can either create a balanced central composition or a deliberately asymmetrical feature. Stone thickness, anchoring, clearances and compatibility with the fireplace system must follow the appliance manufacturer, project specifications, local codes and qualified design professionals.
Why Choose This Stone
The main reason to choose Excalibur Quartzite is its distinctive brecciated composition: large and small mineral fragments create depth, movement and a broad warm-neutral palette in one natural surface. The purchasing decision should be based on the actual slabs and the proposed layout, not on a small sample alone.
- • The gray, brown, beige and muted pink range can connect both warm and cool interior materials.
- • The large-scale fragmented structure gives islands, stairs and fireplaces a custom, composition-led appearance.
- • Polished, honed and leathered options allow the same material to move from reflective luxury to quieter architectural texture.
- • Natural quartzite is a quartz-based dimension stone category, but suitability still depends on the selected lot, intended use, detailing and required tests. [1]
Comparison with Similar Stones
Excalibur Quartzite is best compared by visual scale, geological category, lot variation and fabrication needs rather than by color name alone. Patagonia-type quartzites can provide similarly dramatic fragment structures, while linear quartzites, breccia marbles and engineered quartz create different visual and maintenance outcomes.
| Stone | Typical Visual Direction | Material Category | Typical Uses | Buyer Considerations |
| Excalibur Quartzite | Dense brecciated fragments in gray, brown, beige and muted pink | Natural quartzite | Islands, countertops, vanities, stairs, bathtub surrounds and fireplaces | Approve actual slabs, usable yield, condition, finish and full cut relationship; small samples cannot represent the entire composition. |
| Patagonia-type quartzite | Large contrasting crystalline fragments and translucent or light areas, depending on the lot | Commercially traded natural quartzite; verify exact geological description and test documentation for the lot | Statement islands, walls, bars and feature furniture | Pattern scale, translucency, fissures, reinforcement and backlighting feasibility vary substantially. |
| Taj Mahal Quartzite | Softer cream-beige field with flowing taupe movement | Natural quartzite | Countertops, vanities, walls and floors | Usually visually quieter than Excalibur; approve undertone, vein range, finish and current lot. |
| Breccia marble | Fragmented marble pattern, often with strong color contrasts | Calcareous natural stone | Vanities, walls, furniture and decorative interiors | Acid sensitivity and etching expectations differ from siliceous stone; application and maintenance should be agreed. |
| Engineered quartz with aggregate pattern | More controlled and repeatable manufactured composition | Manufactured surface using mineral aggregate and resin | Interior countertops and vanities within manufacturer limitations | More predictable patterning, but it does not reproduce the unique geological composition of natural slabs; follow manufacturer limits for heat, UV and installation. |
Frequently Asked Questions
Excalibur Quartzite orders should be controlled through current-lot approval, a defined inspection standard and a documented fabrication and packing scope. The answers below distinguish confirmed service capabilities from factors that remain subject to slab availability and project review.
Q: Can you provide Excalibur Quartzite samples?
A: Yes. Normally one or two samples can be provided without a sample charge, with typical sizes from 100 × 100 mm to 200 × 200 mm. Courier cost is paid by the customer, and sample availability depends on the current material. A small sample is useful for checking finish, basic color family and surface character, but it cannot represent the full brecciated pattern of a large slab. Buyers should also approve current slab images or videos before ordering.
Q: What is your slab thickness tolerance?
A: The stated standard slab thickness tolerance is ±1 mm. Before ordering, the buyer and supplier should confirm the nominal thickness, measurement locations and method, acceptable localized variation, finish condition and project-specific acceptance requirement in the contract, approved drawings or inspection standard. A general tolerance statement should not replace requirements imposed by the selected attachment, substrate, edge build-up or adjoining materials.
Q: How do you inspect Excalibur Quartzite slab surface quality?
A: Inspection focuses on cracks that may affect handling or fabrication, overall pattern coordination, unusually large black areas that fall outside the approved visual range, and color or texture variation against the buyer-approved range. Natural mineral boundaries, fissures and filled areas must be distinguished carefully from open or unstable cracks, fabrication damage and other conditions that may impair intended use. Inspection criteria, viewing distance, lighting, finish and approved references should be agreed before shipment.
Q: Can I see current slab photos and videos before ordering?
A: Yes, subject to actual stock. Landiview Stone can provide current-lot slab photographs or videos, slab numbers, surface observations and an overview of the available color and pattern range. Buyers should identify the specific slabs approved for the order and confirm whether the images show dry or wet material, the surface finish and any resin or mesh treatment. Digital imagery helps selection but can be influenced by lighting, camera settings and displays.
Q: Can you supply cut-to-size and finished products, not only slabs?
A: Yes. The client submits architectural drawings, and the technical team develops stone shop drawings for review. Landiview Stone then submits available slabs; if they are unsuitable, block selection and special slab cutting may be investigated. After drawings and slabs are approved, slab scans are used in AutoCAD for cutting and vein-layout simulation. Approved layouts proceed to fabrication, factory dry layout, inspection, replacement of nonconforming pieces when required, piece numbering, protection, temporary reinforcement for vulnerable components and export packing. See how to order cut-to-size stone from China.
Q: Can Landiview Stone prepare stone shop drawings from architectural drawings?
A: Yes. Landiview Stone can review architectural drawings, identify the relevant stone scope and prepare stone-specific shop drawings covering dimensions, thicknesses, joints, cutouts, edges, visible faces, finishes and fabrication details. The client and design team must review and approve the drawings before production. Stone shop drawings do not replace structural design, code review or installation responsibility that must be provided by locally licensed professionals. See what cut-to-size stone means for project procurement.
Q: How do you help control the final vein layout and installed appearance?
A: After stone shop drawings and actual slabs are approved, scanned slab images are used in AutoCAD to simulate cut locations, pattern direction and visual relationships between adjoining pieces. The client reviews the proposed layout before cutting. After fabrication, dry layout checks the actual pieces, supports replacement decisions and enables piece numbering for installation. This process reduces information gaps but cannot remove natural variation or the effects of site installation. See natural stone slab layout in AutoCAD.
Q: How do you protect slabs and finished stone during shipping?
A: Slabs are packed using a robust export crate, A-frame or support arrangement designed for the actual container and shipment. Finished products may receive custom foam, plywood separation, cushioning and edge protection. Sink or cooktop cutouts, narrow backsplashes, strips, vanity tops, fireplace parts, narrow panels and vulnerable corners may receive removable support strips applied over protective film. Reinforcement is temporary transport protection and should be removed before installation as instructed. Regulated raw-wood packaging must comply with destination requirements, including ISPM 15 where applicable. [3] See how natural stone is protected during shipping.
Q: How should installed Excalibur Quartzite be maintained?
A: Use a pH-neutral stone cleaner or a mild cleaner approved for natural stone, blot spills promptly, rinse where appropriate and dry with a soft cloth. Avoid unidentified acidic or alkaline products, abrasive tools and rust removers containing hydrofluoric acid. The Natural Stone Institute recommends neutral cleaning and warns that even siliceous stone may contain acid-sensitive minerals. Sealer selection and reapplication depend on the stone, finish, exposure and manufacturer instructions; sealing improves stain resistance but does not make stone stain-proof. [2]
Q: Is Excalibur Quartzite suitable for kitchen countertops?
A: It is recommended for kitchen islands and countertops, subject to approval of the actual slabs, fabrication details, support and installation conditions. Its bold brecciated pattern is particularly effective on large islands. Hardness does not eliminate the risk of chipping, cracking or transport damage, especially around large openings and narrow rails. Sink and cooktop templates, supports, edge distances and site completion responsibilities should be resolved in approved drawings.
Q: Can I order 20 mm or 30 mm Excalibur Quartzite slabs?
A: The standard slab thickness is 18 mm, while 20 mm and 30 mm may be specially cut from selected blocks. Feasibility depends on current block availability, dimensions, integrity, sawing plan, expected recovery and required quantity. Buyers should confirm nominal thickness, tolerance, finish, net slab size, treatment and test requirements before block cutting begins.
Q: What affects the price of Excalibur Quartzite?
A: Pricing is project-specific rather than determined by the commercial name alone. Key factors include current slab or block availability, slab dimensions and usable yield, selected visual range, thickness, finish, resin or mesh treatment, quantity, cutting complexity, edge work, cutouts, dry layout, replacement allowance, packing and delivery destination. For a meaningful comparison, obtain quotations against the same approved material range, scope and inspection criteria.
Q: What information should I send for a quotation?
A: Send the required supply format, dimensions or drawings, nominal thickness, finish, quantity, application, edge and cutout details, inspection or testing requirements, packing requirements and delivery destination. For slabs, state preferred dimensions and visual range. For finished work, include architectural drawings, schedules, templates and target dates where available. Landiview Stone will confirm which current-lot information and project documents are available for review.
Why Landiview Stone
Landiview Stone supports two buying routes: slabs for importers, distributors and fabricators, and project-specific finished stone for contractors, developers, designers and builders. The value lies in connecting material approval with drawings, digital layout, fabrication inspection and transport protection.
▌ Supply and Technical Workflow
For slab buyers, Landiview Stone supports current slab selection, slab-image review, color and vein-range confirmation, surface inspection, slab identification and export packing.
For cut-to-size and custom fabrication, the workflow can include:
- 1. Review architectural drawings and identify the stone scope.
- 2. Prepare stone shop drawings for client and design-team approval.
- 3. Submit available slabs; if unsuitable, investigate block selection and special slab cutting when appropriate.
- 4. Use approved slab scans in AutoCAD to simulate cutting and vein layout before production.
- 5. Fabricate to approved documents, then dry lay, inspect and number finished pieces.
- 6. Replace nonconforming pieces when required while considering adjacent color and pattern.
- 7. Apply project-specific protection, including temporary reinforcement for vulnerable geometry, before export packing.
For complex assemblies, individual components may be modeled and virtually assembled in Autodesk Inventor or SolidWorks to review relationships, internal clearances, material thicknesses, surface treatments, concealed reinforcement, cutout positions and potential interference before fabrication details are finalized. These reviews support coordination but do not replace the duties of locally licensed structural, architectural or installation professionals.
▌ Relevant International Project Experience
- • Marble furniture, bathroom vanity tops and shower wall panels for the Grand Hyatt Singapore renovation project
- • Stone supply for stations on Singapore's Thomson-East Coast Line
- • Interior stone products for the Wynn project in the United Arab Emirates
- • Marble products for public areas of the 255 East 77th Street luxury residential project in New York
- • Interior and exterior marble and granite products for three high-end custom homes on Tuckahoe, a private resort island in Massachusetts, USA
Request A Quote
Send Landiview Stone the required dimensions, thickness, quantity, finish, application and delivery destination. For slab enquiries, include preferred slab sizes and visual range. For custom work, attach architectural drawings, stone schedules, templates or relevant details when available. The team can respond with current slab availability, slab photos or videos and a scope-based quotation. Project orders may also include stone shop drawings, scanned-slab vein layout, dry-lay inspection, piece numbering and export packing, subject to technical review and confirmed material availability.
Request Excalibur Quartzite Slab Availability or a Project Quote
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