Premium Architectural Slabs & Blocks | Taftan Corridor

Iranian Marble Blocks & Slabs (Silver Steam & Pietra Grey)

Direct importer & exporter of Iranian dimension marble: Silver Steam White, Pietra Grey, and Persian Silk blocks and slabs via the Taftan trade corridor. FOB Karachi.

  • ✓SGS / AHK Certified
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  • ✓Bulk & Container FCL
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  • ✓Origin: Direct Quarry Import via Taftan Border Corridor to Karachi Hub
Iranian Marble Blocks & Slabs (Silver Steam & Pietra Grey) raw ore and specimen
Iranian Marble Specimen
Deposit: Direct Quarry Import via Taftan Border Corridor to Karachi Hub
EXPORT READY
Compressive Strength
115 - 145 MPa
Superior density with mirror-polish capability
Water Absorption
< 0.15%
Impermeable to staining and freeze-thaw cycles
Popular Selections
Silver Steam & Pietra Grey
High-contrast linear veins and charcoal backgrounds
Corridor Advantage
Taftan Direct Route
Competitive regional transit pricing to Karachi port
Geological Overview & Extraction

Mineral Concession & Provenance

Balochistan Minerals operates a specialized cross-border logistics pipeline leveraging the Taftan border crossing to source world-famous Iranian natural marble. We supply premium architectural quarry blocks and gangsaw slabs including Silver Steam (linear grey-white crystal matrix), Pietra Grey (classic charcoal background accented with crisp white calcite veining), and Persian Silk (warm tundra grey). Shipped globally via our Karachi bonded warehouse.

Laboratory Testing Standards

Certified Chemical Composition

Chemical Compound / Property Guaranteed Basis Typical Mine Assay Rejection Limit
Calcium Carbonate (CaCO3) 98.50% Min 98.90% – 99.40% Below 97.00%
Density / Specific Gravity 2.70 g/cm³ Min 2.72 – 2.76 g/cm³ Below 2.68 g/cm³
Compressive Strength 110 MPa Min 122 – 142 MPa Below 100 MPa
Modulus of Rupture (Flexural) 12.5 MPa Min 14.8 – 18.5 MPa Below 11.0 MPa
Water Absorption (Weight %) 0.18% Max 0.08% – 0.14% Above 0.25%
Mohs Surface Hardness 3.5 – 4.0 3.8 Below 3.0

* All composite assays are sampled strictly in compliance with ISO protocols. Official certificate of analysis (COA) issued per parcel by independent international inspection surveyors (SGS / Alfred H. Knight / Cotecna) prior to vessel loading.

Physical Specifications

Grain Sizing & Particle Distribution

Gangsaw Quarry Blocks:5 MT – 20 MT.
Slabs:18 mm, 20 mm, and 30 mm thickness, polished, honed, or leathered finishes (dimensions up to 300 cm x 180 cm).
Cut-to-Size Panels.
Commercial Applications

Industrial Off-Take & Usability

High-Traffic Commercial Flooring

Pietra Grey and Silver Steam provide high abrasion resistance for luxury hotel lobbies, corporate headquarters, and high-end retail malls.

Architectural Wall Cladding

Large-format bookmatched vertical slabs for elevator lobbies, bathroom walls, and minimalist interior facade claddings.

Kitchen Islands & Vanity Countertops

Dense fine-grained marble with custom resin treatment resisting acidic staining and thermal kitchen contact.

Exterior Architectural Surrounds

Honed and sandblasted finishes utilized in exterior porticos, columns, and luxury terrace transitions.

Logistics Flow

Mine-to-Port Supply Chain

Integrated handling and transport protocols guarantee that cargo arrives without contamination, moisture elevation, or grain degradation.

Direct Taftan Border Transit
Direct quarry-to-border transport via Iranian customs into Balochistan’s Taftan clearance terminal under formal cross-border permits.
Karachi Stone Processing Hub
Inspected and processed through Italian multi-wire gangsaw cutting and automated resin polishing lines in Karachi.
International Ocean Freight
Securely packaged in heavy wooden A-frames with moisture-resistant shrink-wrap inside 20ft heavy-duty containers for global export.
Taftan Trade Corridor Stone Inspection & Gangsaw Processing Hub
Extraction & Staging: Taftan Trade Corridor Stone Inspection & Gangsaw Processing Hub Verified Concession
In-Depth Technical Guide
Balochistan Marble vs. Iranian Marble: B2B Sourcing Guide
Read Full Guide →