Iranian Pietra Grey Marble Slab
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Executive Summary
Pietra Grey is an Iranian natural marble with a medium-gray to dark-gray background and distinctive white veining. It gives residential and commercial interiors a composed, architectural character without relying on an excessively ornate pattern. Landiview Stone supplies slabs and project-specific fabricated products, subject to current material availability and approved specifications.
Pietra Grey marble is intended for importers, distributors, fabricators, stone contractors, interior designers, developers and builders seeking a recognizable gray marble for coordinated interior applications. Standard slabs are 18 mm thick; 20 mm and 30 mm can be considered through suitable block selection and special cutting. Polished and honed finishes are recommended. Procurement should be based on current slab approval, usable yield, finish, thickness, fabrication scope and export-packing requirements.

Key Facts
The key procurement facts are straightforward: Pietra Grey is natural marble from Iran, normally offered by Landiview Stone in 18 mm slabs with polished or honed finishes. Buyers should approve the actual slab range because background tone, vein density and natural features vary between slabs and lots.
| Product Fact | Confirmed Information |
| Product name | Pietra Grey marble slab |
| Material | Natural marble |
| Origin | Iran |
| Visual character | Medium-gray to dark-gray background with white veining; each slab varies naturally |
| Standard slab thickness | 18 mm |
| Other thickness options | 20 mm and 30 mm may be produced by selecting suitable blocks and cutting to order, subject to project requirements and material availability |
| Recommended finishes | Polished and honed |
| Supply forms | Slabs; cut-to-size and finished products available for project orders |
| Slab thickness tolerance | Stated standard: ±1 mm; confirm the measuring method and project acceptance criteria in the contract, drawings or inspection standard before ordering |
| Primary buyer groups | Slab importers, distributors, fabricators, stone contractors, designers, developers and builders |
| Pricing basis | Project-specific, based on selected slabs or blocks, usable yield, thickness, finish, fabrication, inspection, packing and destination logistics |
ASTM C503/C503M describes dimension marble as stone produced as blocks, slabs or tiles and addresses material characteristics, physical requirements and sampling. No lot-specific ASTM test value is claimed on this page; test documentation should be requested and reviewed for the selected material where the specification requires it [2].
Available Finishes and Processing Options
Choose polished Pietra Grey for stronger contrast and reflection, or honed Pietra Grey for a quieter, lower-sheen architectural surface. Finish approval should use a representative sample from the intended lot because finish changes the apparent gray tone, vein contrast and visibility of natural features.
▌ Polished Finish
Polishing deepens the gray field and sharpens the white-vein contrast. This finish works well where a reflective, formal appearance is desired, including feature walls, vanity tops, fireplace surrounds and selected floors. Lighting and viewing angle can make surface variation more visible, so buyers should review finished current material.
▌ Honed Finish
Honing produces a smooth, matte-to-low-sheen appearance. It softens strong reflections and gives Pietra Grey a more restrained contemporary character. Honed marble can show handling marks, oils or localized wear differently from polished marble, so the finish, cleaning regime and application should be agreed before production.
▌ Project-Specific Processing
- • Cut-to-size panels, tiles, stair components, vanity tops, countertops, bathtub parts and fireplace components.
- • Edge profiling, mitered assemblies, sink or cooktop cutouts, piece numbering and dry-layout inspection according to approved drawings.
- • AutoCAD cutting and vein-layout simulation based on approved slab scans for projects where visual continuity is important.
- • Three-dimensional modeling and virtual assembly review may be used for complex multi-part products to check relationships, clearances, reinforcement and potential interference before details are finalized.
Recommended Applications
Pietra Grey works best when its gray field establishes visual continuity and its white veins are deliberately positioned. The material can create either a monolithic statement or a rhythm of coordinated panels. Application decisions should therefore address slab selection, vein direction, joints, edge construction, lighting and the care expectations of natural marble.
▌ Kitchen Island and Kitchen Countertop

Pietra Grey creates a confident charcoal-gray work surface that pairs naturally with dark timber, warm metal, pale cabinetry or restrained concrete tones. A waterfall end or full-height backsplash can extend the same vein language across vertical and horizontal planes. Select slabs around sink and cooktop openings carefully, and coordinate support, cutout geometry, seam positions and marble-care expectations.
▌ Bathroom Vanity Top
The dark gray ground gives bathroom joinery a precise, furniture-like appearance, while white veins keep a long vanity from appearing visually flat. Integrated or conventional sinks can be coordinated with mitered fascia panels for a substantial look. Review bowl geometry, wall-mounted faucet reach, backsplash height, drainage, joints and temporary transport reinforcement.

▌ Floor Tiles

Pietra Grey floor tiles create a continuous, formal gray base that allows lighting, metalwork and furniture to stand out. Polished tiles provide reflection and visual depth; honed tiles create a calmer surface. Tile module, vein distribution, slip performance, traffic, substrate, movement joints and maintenance must be assessed for the project and local requirements.
▌ Wall Tiles
On elevator lobbies, corridors, bathrooms and feature walls, rectangular Pietra Grey panels produce an ordered grid with fine white movement across the elevation. Joint alignment and vein orientation can make the installation appear deliberate rather than random. Confirm panel format, anchoring or setting method, backing conditions and professional installation requirements.

▌ Interior Staircases

Pietra Grey treads and risers give an interior staircase a sculptural, continuous gray profile. Linear white veins become especially effective when the direction is coordinated across successive steps and landings. Review tread thickness, nosing detail, slip resistance, lighting, substrate, structural support and local code requirements before fabrication.
▌ Bathtub Deck and Surround
Pietra Grey can turn a bathtub deck and surround into a single architectural volume. Mitered corners and aligned wall panels emphasize mass and continuity, while the dark surface contrasts with a light bathtub. Coordinate access panels, waterproofing interfaces, joints, fixture penetrations and sealant with the project team; stone does not replace the required waterproofing system.

▌ Fireplace

A Pietra Grey surround and hearth create a strong central frame with controlled white movement. Mitered edges can make the stone appear thicker and more monolithic. The assembly must follow the fireplace manufacturer's clearances, substrate requirements, applicable codes and professional installation details; heat exposure and joint design should be resolved before fabrication.
Why Choose This Stone
Pietra Grey is valuable because it combines a classic neutral gray palette, recognizable white veining and broad interior versatility at a generally accessible position within the decorative-marble market. It is widely recognized in international stone trade and design, but any claim about price or availability must be checked against the selected lot and current supply conditions.
This Iranian marble is often selected when a project needs more character than a uniform gray surface but less visual complexity than strongly brecciated or highly multicolored stones. The gray field connects easily with wood, bronze-toned metal, black fixtures, glass and warm lighting. For procurement, the most useful advantage is not uniformity, but the ability to select and organize the natural variation into a planned composition.
- • Classic medium-gray to dark-gray design direction with white veining.
- • Suitable for coordinated slabs, floors, walls, stairs and fabricated interior components.
- • Polished and honed finishes support distinct design moods.
- • Current slab review and digital vein planning can improve alignment between approved intent and fabrication.
- • Often considered cost-effective for a recognized imported gray marble, subject to actual grade, yield, processing and logistics.
Comparison with Similar Stones
Compare gray stones by material category and project behavior, not color alone. Pietra Grey is natural marble: it offers authentic variation and can etch under acid exposure. Alternative dark marbles may have stronger contrast, while engineered quartz can provide more pattern control but follows different fabrication, heat and manufacturer requirements.
| Stone | Visual Direction | Material Category | Typical Uses | Buyer Considerations |
| Pietra Grey | Medium to dark gray with fine or stronger white linear veining | Natural marble from Iran | Countertops, vanities, floors, walls, stairs, bathtub surrounds and fireplaces | Approve current slabs, vein density, thickness, finish and intended layout; marble requires acid-aware care. |
| Grigio Carnico | Dark gray to near-black with contrasting white veining and more dramatic movement | Natural marble commonly associated with Italy | Feature walls, floors, vanities and decorative interiors | Often visually bolder; confirm current lot, origin documentation, finish and budget. |
| Nero Marquina | Black field with irregular white veining | Natural marble associated with Spain | Vanities, walls, fireplaces and selected interior surfaces | Darker and higher-contrast than Pietra Grey; approve fissures, white-vein distribution and surface treatment. |
| Gray engineered quartz | More controlled gray pattern, depending on design | Engineered surface containing mineral aggregate and binders | Indoor countertops and vanities where the selected product is approved | Pattern is more repeatable but not a natural-marble substitute; review heat, UV, fabrication and manufacturer requirements. |
Frequently Asked Questions
The answers below address the decisions that most directly affect an international order: current slab approval, thickness tolerance, surface inspection, fabrication coordination, vein layout, transport protection, maintenance and quotation scope. All supply details remain subject to the selected material, approved documents and contract terms.
Q: Can you provide Pietra Grey marble samples?
A: Yes. Normally one or two samples can be provided without a sample charge, in typical sizes from 100 × 100 mm to 200 × 200 mm. Courier cost is paid by the customer, and availability depends on the current material. A small sample is useful for reviewing finish, basic tone and surface character, but cannot represent the movement of a full slab. Buyers should also approve current slab photos or videos.
Q: What is your slab thickness tolerance?
A: The stated standard slab-thickness tolerance is ±1 mm. Before ordering, the contract, approved drawings or inspection criteria should identify the nominal thickness, measuring method, sampling points and any project-specific requirement. Finished assemblies may also require separate tolerances for calibration, edge build-ups, joints or substrate conditions.
Q: How do you inspect Pietra Grey slab surface quality?
A: Inspection focuses on cracks that may affect handling or fabrication, overall vein coordination, unusually large and visually discordant dark areas, and color or vein variation against the buyer-approved range. Natural veins, mineral features and stable natural fissures must be distinguished carefully from structural cracks or processing defects. Acceptance criteria should be agreed before production because natural marble is not visually uniform.
Q: Can I see current slab photos and videos before ordering?
A: Yes, subject to actual inventory. Landiview Stone can provide current-lot slab images or videos, slab numbers, surface-review information, and an indication of the available color and vein range. Approval should identify the selected slabs and any relevant face, finish or orientation. Availability can change, so reservation and order terms should be settled when the selection is confirmed.
Q: Can you supply cut-to-size and finished products, not only slabs?
A: Yes. The workflow can begin with architectural drawings, followed by stone shop drawings for review. Current slabs are submitted, or block selection and special slab cutting may be studied if the available material is unsuitable. After drawings and slabs are approved, scans are used for AutoCAD cutting and vein-layout simulation. Approved pieces are fabricated, dry laid, inspected, replaced where necessary, numbered and packed with project-specific protection. See how to order cut-to-size stone from China.
Q: Can Landiview Stone prepare stone shop drawings from architectural drawings?
A: Yes. The technical team can identify the stone scope in architectural drawings and prepare stone shop drawings covering dimensions, thicknesses, cutouts, edges, visible faces, finishes, joints and relevant reinforcement details. Drawings require review and approval by the client or design team before fabrication. Stone shop drawings coordinate production but do not replace the structural, code or installation responsibilities of locally licensed professionals. See what cut-to-size stone means.
Q: How do you help control the final vein layout and installed appearance?
A: Approved slab scans can be placed in AutoCAD to simulate cutting locations, vein direction and relationships between adjoining pieces. Client approval creates a clearer production reference. After fabrication, factory dry layout checks the actual pieces, supports replacement decisions and enables piece numbering. These steps reduce information gaps, but natural variation, fabrication tolerances, lighting and site installation still influence the final appearance. See natural stone slab layout in AutoCAD.
Q: How do you protect slabs and finished stone during shipping?
A: Slabs use a robust export frame, crate or A-frame/support plan designed for the actual container load. Finished products may receive liners, cushioning, custom foam, separators, edge protection and positioning supports. Sink or cooktop cutouts, narrow backsplashes, strips, vanity tops, fireplace parts, narrow wall panels and vulnerable corners may receive temporary support strips placed over protective film. Temporary reinforcement is removed before installation as instructed. Regulated wood packaging should use ISPM 15-compliant material when required by the destination country [3]. See stone shipping protection guidance.
Q: How should installed Pietra Grey marble be maintained?
A: Use a pH-neutral cleaner intended for natural stone, wipe spills promptly and avoid unidentified acidic or alkaline chemicals, abrasive powders and aggressive tools. Marble is calcareous and can etch when exposed to acids. Sealer choice and reapplication interval depend on the stone, finish, exposure and product manufacturer; a sealer does not make marble acid-proof. Follow the project specification and the cleaner or sealer manufacturer's instructions [1].
Q: Is Pietra Grey suitable for kitchen countertops?
A: It can provide a refined dark-gray kitchen surface with white movement, especially when the island, countertop and backsplash are planned as one composition. Buyers should accept the care profile of natural marble, including potential etching from acidic foods and the need for appropriate cleaning. Cutout geometry, support, edge details, slab yield and vein direction should be reviewed before fabrication.
Q: What affects the price of Pietra Grey marble?
A: Pricing depends on current slab or block availability, background tone and vein selection, slab dimensions and usable yield, thickness, finish, resin or mesh treatment if present, fabrication complexity, edges, cutouts, dry layout, replacement allowance, packing and destination logistics. Compare quotations against the same approved scope and quality criteria rather than a headline square-metre price alone.
Q: What information should I send for a quotation?
A: Send required slab or finished dimensions, nominal thickness, quantity, finish, application, desired visual range and delivery destination. Include architectural drawings, stone schedules, edge details, cutout templates and target installation dates when available. For slab orders, state whether current-slab images, video, slab numbering or third-party inspection is required. The team can then identify missing decisions and prepare a more comparable quotation.
Why Landiview Stone
Landiview Stone supports two purchasing models: slabs for importers, distributors and fabricators, and project-specific cut-to-size or finished stone for contractors, developers, designers and builders. The practical distinction is important because slab trading prioritizes selection and packing, while project fabrication requires drawing, layout, inspection and installation coordination.
▌ Support for Slab Buyers
Support can include current slab selection, slab-image review, color and vein-range confirmation, surface inspection, slab identification and export packing. Availability, reservation terms and required inspection records should be confirmed for the current lot.
▌ Workflow for Cut-to-Size and Custom Products
- 1. Review architectural drawings and identify the stone scope.
- 2. Prepare stone shop drawings for client and design-team approval.
- 3. Submit current slabs; if unsuitable, study block selection and special slab cutting where 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 veining.
- 7. Apply project-specific protection, including temporary reinforcement for vulnerable geometry, before export packing.
▌ Complex Assembly Review
For complex fabricated products, the project team may use three-dimensional component modeling and virtual assembly review to examine component relationships, material thicknesses, surface treatments, concealed reinforcement, clearances and possible interference before fabrication details are finalized. This review supports coordination but does not replace project engineering, local code compliance or licensed professional approval.
▌ 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
For a workable Pietra Grey quotation, send the scope that controls material yield and fabrication: dimensions, thickness, quantity, finish, application, visual expectations and destination. Drawings and cutout details allow the technical team to identify coordination points before pricing.
Request current Pietra Grey marble slab availability or a quotation for custom cut-to-size stone. Include slab or finished-piece dimensions, nominal thickness, quantity, finish, intended application and delivery destination. If architectural drawings, stone schedules, templates or edge details are available, attach them to the inquiry.
Subject to current availability, Landiview Stone can provide slab photos or videos, slab identification and quotations for fabrication. Project-order support can also cover stone shop drawings, scanned-slab AutoCAD vein layout, dry-layout inspection, piece numbering, temporary reinforcement for vulnerable parts and export packing.
Request A Project Quote Or Slab Availability
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