Menu
Pure Dark Green Onyx sets a composed tone the moment it meets light. The base is a deep, even green, traced by slim white or amber lines that stay readable without glare. Thin zones admit light, so backlit panels take on a calm glow rather than hot spots. A polished face delivers clear depth; honed or brushed finishes keep reflection low for floors and select wet rooms (walls and low-traffic floors). As a calcitic stone, it needs sound detailing and predictable care. The sections below cover its nature, performance, sizes, best uses, pricing factors, production path, and maintenance practices.
When project deadlines are tight and visual consistency is non-negotiable, a dependable partner makes the difference. JAM Stone Co. coordinates quarry selection, factory processing, and export logistics under one roof to keep color, thickness, and finish on target. Blocks are chosen for darker, uniform benches, then slabs receive vacuum resin, mesh reinforcement, and careful calibration for flatness and gloss. Photo logs, batch IDs, and clear shade grouping reduce on-site sorting and waste. Dedicated crating, moisture barriers, and balanced container plans cut transit risks. The result is steady supply, tidy installation, and fewer surprises from shop to site.
Pure Dark Green Onyx is a layered, calcitic onyx that forms from mineral springs. “Pure” indicates a darker, steadier green base with fewer brown seams and cleaner bands. Vein-cut slabs read as parallel lines; cross-cut tiles show soft, cloudy fields. Partial translucency is a signature feature, ideal for even, diffused backlighting. Fabricators usually apply vacuum resin and a fiberglass mesh to raise handling safety and close micro-voids. These steps support flatness, consistent gloss, and edge quality. With good planning, the stone performs reliably indoors across vertical fields and select low-traffic floor areas.
This stone is dense and fine-grained with directional behavior along its bands. Hardness is around Mohs 3, so grit can scratch the face and acids can etch it. Resin closes hairlines; mesh improves transport and cutting stability. The material works well for interior cladding, vanities, furniture faces, and boutique floors when thickness, spans, and joints are engineered correctly. Keep unsupported lengths short across the grain. Consistent calibration, flatness checks, and edge finishing reduce lippage and breakage on site. These controls shorten installation time and help teams deliver tidy, repeatable workmanship at scale.
Mostly calcite or aragonite, both calcium carbonate. Trace iron or nickel enrich the green tone. Closed pores dominate; vacuum resin reduces pinholes and stabilizes gloss. Banding creates anisotropy, so spans and supports should respect cut direction, especially for large formats and thin, backlit assemblies.
The field ranges from olive to deep emerald. “Pure” selections favor darker, uniform backgrounds with crisp, narrow lines. Vein-cut pieces show ordered ribbons; cross-cut tiles read as quiet clouds. Shade grouping across crates preserves visual continuity on long walls and multi-bay features.
Bulk density typically reanges between ~2.65 ± 0.05 g/cm³, and apparent porosity is around ~0.3–1.5%; water absorption is also about 0.1–0.5 wt% for calcitic onyx. Resin treatment reduces surface pinholes but does not materially change bulk absorption values. Honed textures present a matte, clean look and help conceal small scratches in busier household or boutique settings.
At Mohs 3, the face is more delicate than granites and best protected from tracked grit. Expect compressive strength on the order of 80–120 MPa and flexural strength ~8–15 MPa at 20 mm, varying with banding and lot quality. Reinforcement and correct thickness improve handling; avoid long, unsupported spans across the grain.
Expect fine seams and occasional stylolites. Acceptable pieces show filled hairlines and stable color without rusty halos. Inspection should confirm thickness, flatness, gloss, and edges before shipment. Reject open vugs, oxidized seams, or cloudy polish that would complicate finishing on site.
At a polish, Pure Dark Green Onyx shows standout depth and a clear, saturated tone. Honed and brushed finishes lower glare for floors and wet areas while keeping a refined look. Translucency enables backlit counters and walls when lighting is diffused and heat-managed. Performance relies on finish selection and environment. The calcium carbonate matrix is acid-sensitive, so spills can etch and leave dull marks. A penetrating sealer limits staining but will not prevent acid etching. Plan finish, lighting, and maintenance together so the surface stays calm and consistent during daily use in homes or boutique interiors.
Polished slabs present crisp color and mirror depth, great for feature walls and reception desks. Honed or brushed finishes calm reflections and soften hand-feel. Even, diffused backlighting prevents bright pinpoints, so panels read as quiet planes rather than patchy halos behind the stone.
The matrix is smooth and fine. Resin eliminates most micro-pits, supporting a clean glide under the hand. Honed is velvety and controlled; brushed adds light grip without losing elegance. Eased corners and tidy edges reduce chipping during logistics and regular housekeeping cycles.
Tone holds indoors under normal lighting. Exterior use should be limited to mild, covered zones without freeze–thaw or acid rain. Behind cladding, design for back-ventilation and vapor control. Any temporary darkening from moisture commonly clears as assemblies dry through the ventilation path.
Citrus, vinegar, and wine can etch. Apply a penetrating sealer after installation and reapply on schedule. Choose pH-neutral cleaners and soft pads. Avoid powders and metal polishes. Light etches may buff out; deeper marks typically require professional stone restoration services.
Onyx blocks are usually smaller than many granites, so slab sizes are modest and reinforcement is routine. Standard thicknesses are 20 and 30 mm. Slabs are resin-filled and mesh-backed, then carefully calibrated. Tiles cover common modules for walls and select floors. Cut-to-size is popular for vanities, risers, and reception desks. Mosaics extend design options in showers and niches. Pavers are rare due to softness; if specified, keep them under cover with thicker sections and firm substrates. Edge protection, realistic spans, and controlled joints reduce chips, lippage, and surprises during handling and installation.
Typical dimensions range around 2.2–2.7 by 1.2–1.6 meters at 20 or 30 mm. Most receive vacuum resin and rear mesh. Plan realistic maximums in drawings, include expansion joints, and set bookmatch directions clearly for field teams and fabricators before cutting begins.
Common modules include 300×300, 300×600, 600×600, and 600×1200 mm at 10–12 mm for walls and 15–20 mm for floors. Honed or brushed finishes suit floors; polished faces excel on accent walls away from heavy abrasion. Pre-dry-lay helps align banding visually across adjacent pieces.
Ideal for vanities, stair risers, reception fronts, and waterjet logos. Confirm reinforcement at cut-outs and keep spans short across the banding. Coordinate edge profiles and corner easing to lower chip risk during transport, handling, and close-quarters fitting.
Mesh-mounted 25×25 mm, 50×50 mm, or linear strips. Great for showers, niches, and feature bands. Pre-seal sheets to control grout staining, then clean gently after cure. Color-consistent grout preserves the calm read across joints.
Not typical due to softness and acid sensitivity. If used under cover, specify at least 30 mm thickness, tumbled or brushed textures, and a rigid, well-drained base, and avoid freeze–thaw exposure or de-icing salts. Ongoing grit control is essential to limit abrasion from tracked particles.
Heights between 80 and 120 mm at 20 mm thick. Eased or micro-bevel edges reduce housekeeping chips. Match shade and vein direction with adjacent fields for a unified read along corridors and room edges.
This stone shines on interior walls, feature panels, reception desks, vanities, fireplace surrounds, and furniture faces. Backlit work is a standout use, from counters to large wall planes where diffused light can spread evenly. Floors are suitable in low-traffic homes or boutique retail when honed or brushed and paired with consistent care. It is not a first choice for heavy commercial floors. Kitchen counters are possible for disciplined users who accept etching risk; otherwise, favor bars, focal elements, and vertical cladding. Exterior work should remain limited to mild, covered zones with solid ventilation and moisture control.
Delivered price turns on block quality, visual grade, slab size, and processing level. Dark, uniform color with clean, tight veins and strong translucency commands higher rates. Yield matters because waste drives the square-meter figure. Resin quality, mesh type, and calibration affect appearance and installation time. Finishes, bookmatching, special edges, and cut-outs add labor. Thicker sections and jumbo pieces raise handling and packing costs. Logistics, distance, crating style, and insurance shape the landed number. Consistent shade groupings cost more but simplify layouts and reduce sorting, which lowers risk during installation.
Top grade shows deep, even green, crisp veins, and reliable translucency. Color drift, cloudy polish, or seam oxidation reduce value and slow selection, often adding time on site for sorting and layout decisions.
Large, clean blocks raise yield and cut waste, lowering unit costs. Smaller or fissured blocks need more resin and mesh, reduce format options, and increase per-square-meter pricing for specification-grade projects.
Sound vacuum resin, reliable mesh, tight calibration, and even polishing deliver faster, cleaner installs. Better processing reduces lippage, field repairs, and re-polish time, stabilizing both schedules and total installed cost for contractors.
Polished is standard; honed and brushed add steps and quality checks. Leathered textures, edge profiling, and bookmatched layouts increase labor and coordination but can raise visual impact in signature spaces.
Thirty-millimeter sections and jumbo pieces increase material and handling costs. Complex cut-outs require reinforcement, slower feeds, and more QA to keep edges safe through shipping and fitting.
Distance from quarry, plant capacity, and crating approach affect lead times and risk. Moisture barriers, foam layers, and insurance add to landed price yet cut losses from staining, scuffing, or impact during transit.
Selective extraction targets darker, uniform benches and avoids oxidized seams. Blocks are trimmed, graded, and oriented for gang-saw cutting so banding supports the intended look and performance. Slabs then undergo vacuum resin impregnation and mesh reinforcement, followed by careful calibration and progressive honing or polishing. Quality checks confirm thickness, flatness, gloss, and edge integrity. Shade grouping creates consistent lots for long walls and bookmatched layouts. Packing uses foam sheets, corner guards, and moisture barriers in fumigated crates. Labels list codes, batch IDs, sizes, thickness, and shade. Lot-specific test reports (e.g., density, absorption, MOR) can be appended to approvals on request.
Crate plans balance weight and stability to reduce movement and breakage. Anti-slip battens help keep stacks steady, while tilt or shock indicators can be added on long routes. For feature sets, dedicated crates protect sequence order and simplify unpacking. Container loading follows a layout that respects center of gravity and easy access at destination. These disciplined steps lower surprises on site, shorten installation, and keep finishes tidy. Document trails—photos, lists, and measured checks—create transparency for clients and contractors, aiding coordination across procurement, fabrication, shipping, and final fitting.
Install with white, polymer-modified adhesive to avoid shadows in translucent pieces. Keep grout joints near two to three millimeters and match their color to the field. Seal after installation with a penetrating sealer, then renew every six to twelve months depending on usage and cleaners. Choose pH-neutral agents and soft pads; avoid powders and metal polishes. Plan doormats, keep grit off floors, and place trays under liquids. Squeegee shower walls after use to limit water marks and soap film formation in wet rooms.
For backlit features, provide ventilation and manage heat at the light source to protect the stone and adhesives. Kitchen counters are possible for users who accept etching risk and keep a strict care routine; for most households, vanities and vertical faces are a better fit. Light etches can often be re-polished; deeper marks need professional stone restoration. Furniture glides and felt pads prevent point loading and scratches. Where rolling loads are expected, choose alternative materials or limit the stone to vertical fields. A simple, steady routine preserves the calm, rich read that defines this material.
JAM Stone Co. runs the full chain from bench selection to finished formats. Long partnerships with trusted mine owners secure steady access to dark, uniform lots. In-house steps include vacuum resin, mesh backing, calibration, and precision polishing, plus waterjet and cut-to-size services. Each batch is checked for thickness, flatness, and gloss, and labeled clearly for site sorting. As a provider of Pure Dark Green Onyx, the company delivers consistent shade groups, careful packing, and dependable schedules for boutique interiors and multi-phase commercial work with documented QA.
Quality control appears at every gate: visual grading, thickness checks, edge integrity, and raking-light gloss review. Documentation includes photos, batch IDs, and measurements for traceability. Export records cover the Gulf, Europe, and East Asia, with flexible minimum orders. Logistics use fumigated crates, foam sheets, moisture barriers, and balanced container plans that reduce movement. Options such as bookmatching, waterjet features, and pre-cut kits lower on-site risk. As a trusted supplier of Pure Dark Green Onyx, JAM Stone Co. supports clear specifications, repeatable delivery, and tidy outcomes from selection through installation.
Sourcing draws from Iranian onyx belts known for dark-green benches with steady banding and clear translucency. Close cooperation with the mine holder secures priority access to consistent beds and predictable patterns. Selective extraction avoids oxidized seams that can stain or weaken the polish. Responsible methods reduce waste and protect neighboring strata. Strategic reserves support large, continuous batches for bookmatched walls and long projects. As an experienced exporter of Pure Dark Green Onyx, JAM Stone Co. aligns quarry planning with client schedules to maintain continuity, color harmony, and reliable crate-to-crate shade matching.
Every crate is built to protect edges and faces. Slabs and tiles are separated with foam sheets and corner guards, then strapped within fumigated wooden frames. Moisture barriers and, where needed, desiccants control humidity shifts during transit. Labels list product code, batch, shade group, format, size, and thickness. For bookmatched sets, dedicated crates and clear photo logs protect sequence and assist layout on site. Anti-slip battens limit movement through handling. Shock or tilt indicators can be added for long routes. These steps keep arrivals orderly and help installation teams deliver clean, durable work.
is among the most exquisite and unique varieties of onyx, known for its rarity. Characterized by a striking blend of dark and light green hues, interspersed with irregular white and brown streaks, this onyx exemplifies nature’s artistry, formed over millions of years.
Countries with a high demand for Pure Dark Green Onyx typically include those known for their luxury construction and design markets. Prominent buyers are found in the United States, China, the United Arab Emirates, and Saudi Arabia, where the stone is used in high-end residential and commercial projects. Additionally, European countries such as Italy, Germany, and the United Kingdom also import this onyx for upscale interior design and architectural applications.
Address: No. 1014, JAM Center, Jamaran St., Niavaran, Tehran, Iran – 1977763988
Email: info@jamstoneco.com
