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Tiger Black Granite is one of the most striking choices for modern architectural design. Its deep black base and warm bronze streaks add drama and movement to any room. Designers value it for floors, walls, and statement surfaces where elegance and durability are equally important. It takes a high polish for mirror-like reflections, but also performs well in honed or leathered finishes that reduce glare under bright lighting. Tiger Black Granite enhances the clean lines of contemporary interiors and pairs easily with wood, metal, and glass elements. Let’s explore why this elegant stone has become a favorite among architects worldwide.
When quality matters, choosing the right provider becomes vital. JAM Stone Co. operates integrated, quarry-to-factory workflows that keep color, thickness, and finish consistent from batch to batch. As a seasoned supplier of Tiger Black Granite, the company runs in-house quality labs, multi-stage inspections, and clear documentation for every order. Blocks are selected for consistent patterning, slabs are calibrated and finished to spec, and pieces are packed for safe export. With responsive scheduling and logistics support, JAM Stone Co. helps projects stay on time and within scope, from pilot samples to large rollouts.
Tiger Black Granite is a dark igneous stone sold in the trade under the “granite” family, though many lots are gabbro- or diabase-type (norite in some quarries). It shows a deep black base with bronze to brown linear “tiger” streaks that create motion across the face. The stone accepts a high polish and also performs well in honed, leathered, and flamed textures. Its dense fabric supports very low water uptake and stable performance in floors, wall panels, steps, and carefully detailed façades. Names in the market may vary by quarry and pattern intensity, but the core look remains black with warm, streaked movement.
Tiger Black Granite typically shows high density, low porosity, and strong compressive and bending performance consistent with dense dark “granite family” gabbro/diabase. It is suitable for interior floors and stairs, and for exteriors when anchorage, drainage, and slip resistance are designed correctly. Typical planning values for this class are: bulk density ~2.85–3.05 g/cm³, water absorption ~0.05–0.30%, open porosity ~0.2–0.8%, compressive strength ~150–280 MPa, flexural strength ~12–25 MPa, Mohs hardness ~6–7. Always confirm batch-specific test reports for project submittals.
The stone is silicate-rich, dominated by plagioclase feldspar and clinopyroxene (augite) with mafic minerals such as biotite/magnetite in minor amounts. Quartz may occur in trace amounts; calcite/dolomite are negligible. This mineral mix explains the dark color and the strong resistance to weak household acids. Porosity is generally low and mostly closed, supporting a deep polish and reliable stain control when sealed.
The base tone ranges from near-jet black to very dark charcoal. “Tiger” bands appear bronze, brown, or tan, running in linear or gently wavy paths. Vein density varies by block—from restrained streaks to more expressive waves. Pattern continuity can shift within a slab, so shade selection and layout reviews are important for large-format work.
Bulk density commonly falls between ~2.85 and 3.05 g/cm³. Water absorption is typically ~0.05–0.30% by weight, with polished faces at the lower end. Open porosity around ~0.2–0.8%, mostly closed after finishing. Edges and textured surfaces can show slightly higher uptake, so sealing and careful detailing at cutouts and joints are recommended.
Mohs hardness is typically 6–7, giving good abrasion resistance for busy floors and stairs. Compressive strength often ranges ~150–280 MPa, while flexural strength is ~12–25 MPa depending on grain, fabric, and processing. These values support interior use and well-engineered exterior cladding when anchors, wind load checks, and movement joints are addressed.
Natural features can include micro-fissures, small opaque inclusions, and minute magnetite seams or occasional sulfide specks. Some slabs receive clear resin to stabilize micro-voids; fills should be flat and visually unobtrusive. Project specifications should set limits for visible fill, allowable fissure width, and edge chipping. Pre-delivery inspections and photo approvals help maintain consistency across batches.
Polished Tiger Black Granite offers mirror-like depth and crisp reflections; honed lowers glare, while leathered creates a tactile, low-sheen surface that hides fingerprints. The black base with warm streaks reads clean and modern in large planes. Performance is stable under foot traffic, with good scratch resistance and very low water uptake. As a silicate-based stone, it resists etching from common kitchen acids far better than marble. Strong acids, alkaline strippers, or harsh solvents can affect resin fills or finishes. Routine sealing improves stain defense against oils, dyes, and colored liquids.
Polished faces can achieve high gloss, often above typical architectural thresholds for premium granites. Honed and leathered finishes mute specular highlights and highlight the tiger bands. Directional lighting emphasizes the linear movement, so plan slab orientation during layout. Edges hold sharp arrises when processed correctly, supporting clean detailing on counters and panels.
Polished surfaces feel smooth and cool, with a slick touch under hand. Honed is matte and even, comfortable for floors where glare is unwelcome. Leathered adds fine micro-relief that increases grip and disguises minor wear or smudges. Micro-pitting is generally low due to the dense fabric; quality calibration reduces telegraphing of any small surface defects.
The silicate matrix shows good UV color stability, so properly finished exteriors can perform well. In freeze–thaw zones, use low-absorption stock, secure anchorage, and effective drainage. Flamed or bush-hammered textures improve slip resistance on pavers and steps. Avoid standing water, select breathable systems, and manage thermal movement with correctly placed joints.
CaCO₃ content is low to negligible, so the stone resists weak acids better than calcite-based materials. Still, prolonged exposure to strong acids or aggressive alkaline cleaners can dull finishes or affect resin-treated areas. A penetrating sealer limits oil and dye uptake. Use pH-neutral cleaners, rinse well, and test any new product on an off-cut first.
Production depends on block size and plant capability, but Tiger Black Granite is commonly available as gangsaw slabs and calibrated tiles. Large wall panels and stair sets are practical when the block is sound and veining remains stable. For exterior paving and steps, textured finishes improve grip. Very large monolithic pieces may be limited by quarry yield, handling constraints, and transport rules; confirm current inventory.
Typical slabs are 260–320 × 150–200 cm in 2 cm and 3 cm thicknesses. Jumbo sizes may be possible from select blocks, but availability varies. Slabs are usually resin-treated and oven-dried before polishing for stability. Specify gloss targets, back-mesh if needed, and tolerance for flatness and thickness to match downstream fabrication.
Common calibrated formats include 300×300, 300×600, 600×600, and 610×305 mm at 10, 12, 15, or 20 mm. Tight gauging supports low lippage in polished and honed floors. For heavy traffic areas, consider 15–20 mm and a low-glare finish. Shade and pattern selection should be done by batch to keep a coherent look across rooms.
Custom panels, stair treads/risers, countertops, and vanity tops are produced to drawing. Edge profiles (e.g., eased, bevel, bullnose) and cutouts require careful reinforcement around sinks and fixtures. Typical fabrication tolerances are tight for this stone due to its density; confirm allowable deviations and any need for back-mesh or ribs on long, slender parts.
Mesh-mounted mosaics in 10–50 mm tesserae are feasible. Consistent shade sorting is important so small pieces do not show abrupt tone jumps. Honed and leathered textures are popular to reduce glare on small modules. Sealing helps prevent staining of grout lines and the stone, especially in wet areas or kitchen backsplashes.
Exterior pavers usually run 30–60 mm thick, with flamed or bush-hammered textures for slip resistance. Edges may be sawn or lightly chamfered to reduce chipping. Proper bedding, drainage, and movement joints are key to long-term stability. Dark stones can show mineral darkening when wet; sealing and good sub-base design help manage this effect.
Skirting commonly matches floor thickness in 70–120 mm heights. Profiles can be square, beveled, or gently rounded to reduce edge damage. Factory calibration keeps joints tight and aligned with wall planes. Order from the same batch as floor tiles to maintain shade continuity at the base line of the room.
Quarry blocks are graded by size, fracture pattern, and vein uniformity. Larger, sound blocks yield wider slabs and better optimization during cutting. Blocks are dressed for transport and may be resin-consolidated at the plant if micro-fissures are present. Selection at the block stage sets the tone for consistent slabs and reduced waste.
Tiger Black Granite is suitable for many architectural uses where a dense, dark surface is desired. For interiors, it works well on floors, wall cladding, stairs, reception desks, and countertops when sealed. For exteriors, it performs in façades, pavers, and steps when anchorage, drainage, and slip resistance are designed correctly. Honed or leathered finishes reduce glare and hide fingerprints in busy zones. Flamed or bush-hammered textures improve wet grip outdoors. Large panels require sound anchoring and movement joints. In wet rooms, use a low-glare finish and maintain a pH-neutral cleaning plan. These practices align with the stone’s hardness, low porosity, and strength.
Pricing for Tiger Black Granite varies widely because it depends on geological quality, block size, processing steps, and logistics. Costs change with yield during cutting, the consistency of the tiger bands, and the finish specified for the project. Thickness, panel size, and edge profiles also affect fabrication time and waste. Packaging method, crate design, and shipping distance influence delivered cost, especially for large orders. Market availability, lead time, and any custom testing or documentation can add further cost. Because these inputs differ by quarry, batch, and destination, final pricing must be confirmed against current stock and project drawings.
Grade reflects base color uniformity, intensity of black, and how the tiger bands present across the slab. Higher grades show deep black fields, continuous streaks, minimal inclusions, and limited resin visibility. Lower grades may include lighter patches, uneven banding, or more micro-fissures, which increase sorting time and reduce usable yield for premium, mirrored surfaces.
Larger, sound blocks reduce waste and allow wider slabs, improving square-meter yield per block. Fractures, irregular shapes, or strong curvature of bands can force narrower cuts and more offcuts. Good quarry selection and careful dressing at source raise the chance of jumbo slabs, aligned patterns, and efficient nesting during gangsaw cutting and slab optimization.
Processing quality covers oven drying, resin application, curing, calibration, and final polishing. Tight thickness control and flatness reduce lippage on site. Clean edges, accurate squareness, and consistent gloss save time in installation and snagging. Plants with stable tooling and QA logs deliver batches that fabricate predictably, reducing rework, breakage, and unexpected on-site adjustments.
Polished, honed, leathered, flamed, or bush-hammered finishes require different process steps and yield different rejection rates. Textures that add grip demand extra passes and energy. Polished faces need higher gloss targets and careful inspection under raking light. Special edge profiles or contrasting textures on one piece raise handling time, tooling wear, and cost.
Thicker stock, such as 3 cm slabs or 30–60 mm pavers, increases material use, handling effort, and shipping weight. Very large panels may require back-mesh or ribs and stricter flatness to avoid warping during installation. Tight edge tolerances on long pieces slow fabrication, while small tiles raise cutting and calibration cycles per square meter.
Distance to port, container type, crate design, and fuel surcharges influence delivered cost. Fragile layouts or extra corner protection can reduce breakage but add weight. Availability swings with quarry output and global demand, affecting lead time and selection. Early block or slab reservation, with photo approvals, protects continuity for multi-phase or multi-location projects.
Block selection begins at the quarry face, where experienced crews identify sound sections with stable black color and coherent “tiger” bands. After primary dressing, blocks are transported to the plant for gangsaw cutting into slabs. Slabs are oven-dried, resin-treated if needed to close micro-voids, and cured before calibration. Finishing follows the project brief: polished for high gloss, honed for low glare, or textured (leathered, flamed) for grip. Each lot is shade-sorted, inspected for flatness and edge integrity, then labeled. Packing uses corner protectors, interleafs, and moisture barriers to prepare pieces for overland and sea freight.
A coordinated QA workflow keeps the supply predictable. Visual grading at the block stage reduces waste; slab-level checks confirm thickness, squareness, and gloss targets; piece-level checks verify dimensions and arrises before crating. Documentation lists batch numbers, finish, thickness, and piece counts to support traceability. Crates are engineered for weight balance and shock absorption, and container plans optimize both cost and breakage control. For long routes, anti-abrasion layers and humidity control reduce surface marking. Final pre-shipment photos allow clients to approve shade and pattern continuity, keeping installation results aligned with design intent.
Use a polymer-modified thin-set for tiles and approved bedding for heavy units. Interior grout joints of 2–3 mm limit lippage; exterior joints ~3–6 mm allow movement. Apply a penetrating sealer after installation and again once grout cures; a 12–24-month reseal cycle suits most interiors. Clean with pH-neutral products, microfiber mops, and soft pads. Avoid acids, harsh alkalis, and abrasive powders, which can dull finishes or affect resin-treated areas. In wet zones, ensure proper slope and drainage. For countertops, seal edges and cutouts thoroughly to resist temporary moisture darkening at sinks and cooktops.
Many issues come from site conditions rather than the stone. Substrate flatness outside tolerance causes lippage even with calibrated tiles; correct the base before setting. Trapped moisture can create temporary dark patches—use breathable membranes and control curing conditions. Outdoor work needs slip-resistant textures and perimeter movement joints. On polished floors in busy areas, fingerprints and scuffs are more visible; prefer honed or leathered finishes to mask marks between cleanings. Always test new cleaners on an off-cut. Keep spare, labeled pieces from the same batch for future repairs to maintain shade and pattern continuity.
JAM Stone Co. manages an integrated supply chain for Tiger Black Granite, from quarry partnerships to finished pieces. Long-term relationships with reputable mine owners in key Iranian stone regions secure consistent blocks. In-house quality labs monitor thickness, flatness, and gloss, while CNC shaping, waterjet cutting, and precision polishing deliver tight tolerances. Batch consistency is maintained through shade sorting and documented inspections at slab and piece level. As a trusted provider of Tiger Black Granite, JAM Stone Co. controls value-chain steps (selection, processing, finishing, and packing) so projects receive predictable quality that aligns with drawings, schedules, and installation standards.
Procurement teams need steady quality and clear paperwork. JAM Stone Co. runs multi-stage inspections focused on visual grading, surface flatness, and edge integrity, supported by ISO-aligned procedures and conformity with relevant EN/CE requirements where applicable. The company’s export record covers GCC, Europe, and East Asia, with MOQ flexibility for pilots and large builds. Customization support includes client-specific cutting requests, edge profiles, and finish matching across phases. As a dependable supplier of Tiger Black Granite, JAM Stone Co. pairs secure crating with optimized shipping plans, coordinating schedules so materials arrive ready to install with minimal onsite adjustment.
Supply begins at selected Iranian quarries known for dense, dark igneous stone with warm “tiger” banding. These strategic reserves produce blocks with strong color uniformity and workable vein continuity, enabling large formats when specified. JAM Stone Co.’s direct access and long-term agreements protect continuity across phases and sites, reducing design risk. Resource-aware practices (water recycling, careful waste handling, and controlled overburden management) support sustainable extraction. With this controlled provenance and established logistics as an experienced exporter of Tiger Black Granite, the company provides traceable batches that align with technical targets and visual expectations from mockup to final delivery.
Safe delivery depends on robust, well-labeled packaging. JAM Stone Co. uses foam sheets or paper interleafs between polished faces, corner protectors, and moisture-resistant wraps inside export-grade wooden crates. Loads are balanced for forklift handling and constrained to minimize movement during transit. Depending on destination, orders ship as bulk pallets or individual crates, with container optimization to lower freight cost and breakage risk. Each crate carries clear labels, product code, finish, thickness, batch/lot number, and piece count, so receiving teams can stage work efficiently. This approach reduces onsite surprises and keeps installation workflows smooth and predictable.
is an exquisite natural stone known for its bold, contrasting colors of black, gold, and white that often resemble the stripes of a tiger.
Tiger Black Granite has a strong presence in international markets, particularly in North America, Europe, and parts of Asia. The global demand for this granite type continues to grow due to its unique aesthetic and practical advantages.
Address: No. 1014, JAM Center, Jamaran St., Niavaran, Tehran, Iran – 1977763988
Email: info@jamstoneco.com
