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Yangtz Black Granite

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About
Material Type: Granite
Origin:ChinaChina (Sichuan Province)
Priamry Color(s): Black
Accent Color(s): Black
Recommended Usage:Kitchen and bathroom countertops, monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, window sills, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, pavers, cobbles, curbstone
Additional Names:Jialing Black Granite,Sichuan Black Granite,Sichuan Jet Black Granite,Sichuan Absolute Black Granite,In China Stone Market:嘉陵黑(Jiā Líng Hēi)
Finished Surface:Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Testing
Water Absorption:0.12% – 0.25% by weight
Density:2670 – 2750 kg/m³
Flexural Strength:11 – 14 MPa
Compressive Strength:195 – 250 MPa
Description

Yangtz Black Granite is a premium fine-grained black granite quarried in the Sichuan Province of China. Revered for its deep charcoal to absolute black tone, minimal mineral inclusions, and elegant uniformity, this stone is often chosen for luxury architectural and memorial projects. Its dense crystalline structure ensures durability, low porosity, and excellent performance in demanding environments.

Texture & Pattern

  • Texture: Uniform, fine-grained, compact crystalline structure
  • Pattern: Consistent dark charcoal to jet-black tone with little to no visible veining or variation
  • Surface Appearance: Solid black appearance when polished, subtle matte tone when honed or leathered
  • Visual Character: Elegant, minimalist, modern 

Physical Properties & Test Results

  • Water Absorption .... 0.12% – 0.25% by weight
  • Density .... 2.67 – 2.75 g/cm³ (2670 – 2750 kg/m³)
  • Flexural Strength .... 11 – 14 MPa
  • Compressive Strength .... 195 – 250 MPa
  • Mohs Hardness .... 6.5 – 7
  • Porosity .... Very Low (0.2% – 0.35%)
  • Slip Resistance (R Value) .... R9 – R12 (varies by finish)

Chemical & Mineral Composition (% by weight)

  • Quartz .... 30 – 35%
  • Plagioclase Feldspar .... 50 – 55%
  • Biotite / Hornblende .... 5 – 10%
  • Others (Magnetite, Garnet) .... <2%

Chemical Composition

  • SiO2 (Silicon Dioxide) .... 65 – 72%
  • Al2O3 (Aluminum Oxide) .... 12 – 15%
  • Fe2O3 (Iron Oxide) .... 1.5 – 2.5%
  • CaO, MgO, Na2O, K2O .... <5%

Surface Finish Options

  • Polished .... High-gloss reflective finish; deepens black tone; ideal for interiors, monuments
  • Honed .... Smooth, matte look; non-reflective; ideal for modern interiors
  • Leathered .... Slight texture, soft sheen; elegant and fingerprint-resistant
  • Sandblasted .... Coarse texture; anti-slip; ideal for exteriors and public walkways
  • Brushed .... Aged look with tactile appeal; suitable for walls and verticals
  • Flamed .... Rough, slip-resistant surface; outdoor paving, steps
  • Tumbled .... Softened edges and surface; rustic effect for landscaping or aged appeal

Cutting Sizes (Standard & Custom)

Slabs

  • 120 × 240 cm
  • 130 × 260 cm
  • Jumbo slabs available upon request

Thickness: 2 cm (standard), 3 cm

Tiles

  • 30 × 30 cm
  • 60 × 30 cm
  • 60 × 60 cm
  • 60 × 90 cm

Custom cut-to-size available for stairs, coping, countertops, monuments 

Usage & Applications

  • Interior: Kitchen countertops, vanity tops, flooring, wall cladding, fireplace surrounds
  • Exterior: Facades, cladding, paving, staircases, outdoor kitchens
  • Commercial: Lobbies, airports, office floors, columns
  • Monuments & Memorials: Gravestones, tombs, sculptures

Maintenance

  • Sealing: Recommended for honed and leathered surfaces
  • Cleaning: Use neutral pH stone cleaner; avoid acidic or abrasive substances
  • Durability: Excellent resistance to stains, scratches, and weathering
  • UV Resistance: Excellent – retains deep black color even outdoors

FAQ Ask a Question
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Is 2 cm too thin for a Yangtz Black Granite commercial kitchen countertop?

Yes, 2 cm is generally considered too thin for a commercial kitchen countertop made of Yangtz Black Granite. For commercial applications, a thicker countertop, typically 3 cm or 4 cm, is recommended for added durability and longevity. Thicker countertops are better equipped to handle the heavy use and wear and tear that comes with a commercial kitchen setting.
Yes, 2 cm is generally considered too thin for a commercial kitchen countertop made of Yangtz Black Granite. For commercial applications, a thicker countertop, typically 3 cm or 4 cm, is recommended for added durability and longevity. Thicker countertops are better equipped to handle the heavy use and wear and tear that comes with a commercial kitchen setting.
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Do I need to seal Yangtz Black Granite fireplace?

It is typically recommended to seal granite to protect it from staining and moisture damage. However, since granite is a durable and non-porous material, it may not be necessary to seal a granite fireplace if it is properly maintained and cleaned regularly. If you are unsure, it is best to consult with a professional stone or fireplace contractor for advice on whether or not to seal your specific Yangtz Black Granite fireplace.
It is typically recommended to seal granite to protect it from staining and moisture damage. However, since granite is a durable and non-porous material, it may not be necessary to seal a granite fireplace if it is properly maintained and cleaned regularly. If you are unsure, it is best to consult with a professional stone or fireplace contractor for advice on whether or not to seal your specific Yangtz Black Granite fireplace.
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Can 2cm thick Yangtz Black Granite be used for stairs?

Yes, 2cm thick Yangtz Black Granite can be used for stairs. However, it is important to ensure that the material is properly installed and supported to withstand the weight and traffic of people using the stairs. It is recommended to consult with a professional contractor or architect to determine the appropriate thickness and installation method for the stairs.
Yes, 2cm thick Yangtz Black Granite can be used for stairs. However, it is important to ensure that the material is properly installed and supported to withstand the weight and traffic of people using the stairs. It is recommended to consult with a professional contractor or architect to determine the appropriate thickness and installation method for the stairs.
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Can Yangtz Black Granite surface be flamed finish?

Yes, Yangtz Black Granite can be flamed finish. Flamming finish is a popular choice for granite surfaces as it creates a rough, textured surface that is slip-resistant and adds a unique aesthetic to the stone. Flamed finish is achieved by applying high heat to the surface of the granite, causing the crystals in the stone to burst and create a rough texture.
Yes, Yangtz Black Granite can be flamed finish. Flamming finish is a popular choice for granite surfaces as it creates a rough, textured surface that is slip-resistant and adds a unique aesthetic to the stone. Flamed finish is achieved by applying high heat to the surface of the granite, causing the crystals in the stone to burst and create a rough texture.
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How to repair the cracked Yangtz Black Granite kitchen countertop edge?

Repairing a cracked Yangtz Black Granite kitchen countertop edge can be done using the following steps: 1. Clean the cracked area: Use a mild detergent and warm water to clean the cracked area of the countertop. 2. Dry the area: Make sure the cracked area is completely dry before proceeding with the repair. 3. Fill the crack: Use an epoxy resin or granite repair kit to fill the crack in the countertop. Follow the manufacturers instructions carefully for mixing and applying the epoxy resin. 4. Smooth the surface: Use a putty knife or similar tool to smooth out the epoxy resin and blend it with the surrounding countertop surface. Let it dry according to the manufacturers instructions. 5. Sand the repaired area: Once the epoxy resin is dry, use sandpaper to smooth out the repaired area and make it level with the rest of the countertop. 6. Polish the countertop: Use a granite polish or sealer to polish the repaired area and give it a glossy finish. 7. Maintain the countertop: To prevent future cracking, be sure to avoid placing heavy objects or applying excessive pressure on the edges of the countertop. Regularly clean and seal the countertop to maintain its appearance and durability. If the crack is deep or extensive, it may be best to consult a professional stone restoration specialist for a more comprehensive repair.
Repairing a cracked Yangtz Black Granite kitchen countertop edge can be done using the following steps: 1. Clean the cracked area: Use a mild detergent and warm water to clean the cracked area of the countertop. 2. Dry the area: Make sure the cracked area is completely dry before proceeding with the repair. 3. Fill the crack: Use an epoxy resin or granite repair kit to fill the crack in the countertop. Follow the manufacturers instructions carefully for mixing and applying the epoxy resin. 4. Smooth the surface: Use a putty knife or similar tool to smooth out the epoxy resin and blend it with the surrounding countertop surface. Let it dry according to the manufacturers instructions. 5. Sand the repaired area: Once the epoxy resin is dry, use sandpaper to smooth out the repaired area and make it level with the rest of the countertop. 6. Polish the countertop: Use a granite polish or sealer to polish the repaired area and give it a glossy finish. 7. Maintain the countertop: To prevent future cracking, be sure to avoid placing heavy objects or applying excessive pressure on the edges of the countertop. Regularly clean and seal the countertop to maintain its appearance and durability. If the crack is deep or extensive, it may be best to consult a professional stone restoration specialist for a more comprehensive repair.
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Can Yangtz Black Granite countertop surface be scratched with a knife?

No, Yangtz Black Granite is a highly durable and scratch-resistant material. It is unlikely that a knife blade would be able to scratch the surface of a Yangtz Black Granite countertop.
No, Yangtz Black Granite is a highly durable and scratch-resistant material. It is unlikely that a knife blade would be able to scratch the surface of a Yangtz Black Granite countertop.
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Is Yangtz Black Granite kitchen countertop easy to scratch?

Yangtz Black Granite is a durable and scratch-resistant material, so it is less likely to get scratched easily compared to other types of countertops. However, like any natural stone material, it is still possible for it to get scratched with heavy or sharp objects. It is recommended to use cutting boards and trivets to protect the surface from potential scratches and maintain its appearance. Regular maintenance and sealing can also help in preventing scratches and preserving the beauty of the countertop.
Yangtz Black Granite is a durable and scratch-resistant material, so it is less likely to get scratched easily compared to other types of countertops. However, like any natural stone material, it is still possible for it to get scratched with heavy or sharp objects. It is recommended to use cutting boards and trivets to protect the surface from potential scratches and maintain its appearance. Regular maintenance and sealing can also help in preventing scratches and preserving the beauty of the countertop.
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Is Yangtz Black Granite countertop heat resistant?

Yes, Yangtz Black Granite is known for its heat resistance and is a popular choice for kitchen countertops for this reason. However, it is always recommended to use trivets or hot pads to protect the surface from extreme heat to help maintain its appearance and longevity.
Yes, Yangtz Black Granite is known for its heat resistance and is a popular choice for kitchen countertops for this reason. However, it is always recommended to use trivets or hot pads to protect the surface from extreme heat to help maintain its appearance and longevity.
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