Mongolia Black
Granite

Mongolia Black

Mongolia Black

A pure black granite from Inner Mongolia, China. Dense and hard with a pure, lustrous tone, extremely low water absorption and excellent acid and wear resistance make it a top-tier black stone for Hong Kong high-end lobbies, kitchen islands and monumental architecture seeking the ultimate black.

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Variety Details · Granite

Mongolia Black — Samples, Technical Data & Applications

A pure black granite from Inner Mongolia, China. Dense, hard and lustrous with a pure tone and strong presence. Extremely low water absorption, excellent acid and wear resistance with stable yield suit high-end lobby floors, kitchen islands, lift surrounds and monumental architecture seeking the ultimate black and high durability; common in Hong Kong top-tier projects.

Mongolia Black — four samples, four views
Mongolia Black · Four samples
Mongolia Black — slab texture and application views
Mongolia Black · Slab & applications
Mongolia Black — Full Slab View
Mongolia Black · Full Slab View
Mongolia Black — Texture Detail
Mongolia Black · Texture Detail

Technical Data

Basic Information
Stone Type
Natural Granite
Origin
Chifeng, Inner Mongolia, China
Colour Family
Pure black, dense
Slab Grade
Grade A (no cracks, no resin fill)
Visual inspection
Dimensions & Sizing
Standard Slab Size
3200×1600mm / 3050×1440mm
Mill cutting spec
Available Thickness
18 / 20 / 30 mm (stock); 15–50 mm to order
Caliper measurement
Dimensional Tolerance
±1.0 mm (polished face)
BS EN 12058
Physical Performance
Density(g/cm³)
2.98
ASTM C97 / EN 1936
Water Absorption(%)
0.29
ASTM C97
Compressive Strength(MPa)
157
ASTM C170 / EN 1926
Flexural Strength(MPa)
15.6
ASTM C880 / EN 12372
Mohs Hardness
7.0
EN 14157
Abrasion Resistance
≤ 9 mm
EN 14157
Gloss Level(GU)
88
ISO 2813 (60°)
Acid Resistance
Excellent acid resistance (ideal for kitchen tops)
EN 13529
Radioactivity Class
Class A (GB 6566)
GB 6566
Fabrication & Installation
Edge Profile
Straight / Bevel / Bullnose / Ogee
Installation Method
Wet-set mortar / Stainless steel dry-hang
Joint Treatment
Seamless epoxy jointing (pattern-matched)
Certification & Care
Certification
ISO 9001 · ASTM C97/C170 · GB 6566 Class A
Third-party certification
Maintenance Cycle
Crystallisation maintenance every 12 months
Warranty
10-year factory warranty (excl. accidental damage)
Commercial Terms
Price Unit
HK$ per sq. ft. (measured slab area)
Minimum Order Quantity
30 m² (mixed colours accepted)
Lead Time
Stock 7–10 working days; custom 20–30 days
Packaging
Wooden A-frame crate, 8–10 slabs per crate
* Typical values shown. Actual batch may vary slightly. Contact us for batch-specific test reports.

Applications Applications

🧱
Municipal & Plaza Paving
Pure black premium; top lobbies
🏢
Exterior Facades
Ink-black facade; minimalist grand
🚗
Driveways & Kerbs
Very hard, wear-proof floors
🪜
Stairs & Steps
Slip-resistant steps; safe solid
🏠
Residential Courtyards
Kitchen island; ultimate black
🏗️
Large-Scale Projects
Dense yield; steady engineering
Available Surface Finishes

Mongolia Black's pure dense black polishes to a mirror-like lustre; flamed and bush-hammered finishes are slip-resistant, common for Hong Kong high-end lobbies, kitchen tops and monuments.

Polished Honed Flamed Bush-hammered Sandblasted Axe-cut
📐 Standard Sizes
3200×1600mm / 3050×1440mm
600×600mm / 800×800mm
Custom sizes available
📦 Standard Thickness
18mm / 20mm / 30mm
18mm typical for walls, 20mm for tops
Custom thickness available
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Mongolia Black in the Granite Collection collection: specifications, stock and lead times are listed on the collection page. See the Granite Collection collection →

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