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Galaxy Tarn Granite

Galaxy Tarn Granite

Granite

China

About

Item Details

Material Type:
Granite
Origin:
China
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:
Galaxy Gray Granite, Galaxy Grey Granite, Grey Galaxy Granite, in China stone market:银河灰麻(Yín Hé Huī Má)
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:
0.15 – 0.35% by weight
Density:
2630 – 2680 kg/m³
Flexural Strength:
14 – 18 MPa
Compressive Strength:
160 – 190 MPa

Description

Galaxy Tarn Granite is a premium natural granite quarried in China, distinguished by its deep charcoal gray to near-black base scattered with silver-white crystalline flecks. These reflective mineral crystals create a refined starry or galactic visual effect, offering depth, elegance, and a modern architectural appeal. Under light, the surface subtly sparkles, enhancing its luxurious and contemporary character.

Texture

Fine- to medium-grained crystalline structure Dense, compact granite texture Smooth and uniform surface when polished High structural integrity and abrasion resistance

Pattern

Dark charcoal gray background Evenly distributed silver-white crystalline flecks Subtle starry or galaxy-like appearance Low variation, ideal for large uniform installations

Technical Test Results (Typical Values)

  • Density: 2,630 – 2,680 kg/m³
  • Water Absorption: 0.15 – 0.35% by weight
  • Compressive Strength: 160 – 190 MPa
  • Flexural Strength: 14 – 18 MPa
  • Abrasion Resistance: High
  • Mohs Hardness: 6 – 7

Chemical Composition (% by weight, approx.)

  • Silicon Dioxide (SiO₂): 65 – 72%
  • Aluminum Oxide (Al₂O₃): 13 – 16%
  • Potassium & Sodium Feldspar: 6 – 10%
  • Iron Oxide (Fe₂O₃): 2 – 4%
  • Calcium & Magnesium Oxides: 2 – 3%
  • Trace minerals: 1 – 2%

Mineral Composition (% by weight, approx.)

  • Quartz: 30 – 35%
  • Feldspar: 45 – 50%
  • Mica & Amphibole: 5 – 10%
  • Accessory minerals: 5 – 10%

Applications

  • Kitchen countertops and island tops
  • Bathroom vanity tops
  • Interior and exterior flooring
  • Wall cladding and façades
  • Stairs, steps, thresholds
  • Commercial and high-traffic architectural projects

Maintenance

  • Clean with water or pH-neutral stone cleaners
  • Very low water absorption; sealing recommended for polished surfaces
  • Resistant to heat, scratches, and weathering
  • Easy to maintain for long-term use

FAQ

Is 2cm thick Galaxy Tarn Granite stair steps durable

Galaxy Tarn Granite is a variety of granite known for its durability, strength, and aesthetic appeal, making it a popular choice for various indoor and outdoor applications, including stair steps. A thickness of 2cm (approximately 0.79 inches) can be adequate for stair treads, but there are several factors to consider to ensure their durability: 1. **Structural Support**: The underlying structural support is crucial. The granite itself is strong, but it should be properly supported to prevent bending or breaking under heavy loads. 2. **Traffic and Usage**: Granite steps at 2cm thickness should be suitable for moderate foot traffic. For areas with heavy use, a thicker slab (3cm or more) is often recommended for added durability. 3. **Installation**: Proper installation is key to longevity. This includes a solid substrate, effective adhesion, and precise alignment to prevent stress points. 4. **Maintenance**: Granite is relatively low-maintenance, but it should be sealed periodically to protect against staining and wear. 5. **Environmental Conditions**: If used outdoors, consider the local climate. Granite handles temperature variations well, but consistent freezing and thawing can potentially impact thinner slabs over time. If these factors are addressed, 2cm thick Galaxy Tarn Granite stair steps can be durable and serve well in both aesthetic and functional capacities. However, consulting with a professional installer or structural engineer can provide tailored advice based on your specific project requirements.

Will Galaxy Tarn Granite crack with heat?

Galaxy Tarn Granite, like most natural stones, has good heat resistance and can generally withstand the high temperatures commonly encountered in kitchen environments, such as those from hot pans or pots. However, while granite is durable, it is not entirely impervious to heat damage. Rapid or extreme temperature changes can potentially cause thermal shock, leading to cracking or other damage. To minimize the risk of cracking, its advisable to use trivets or heat pads when placing hot cookware on granite countertops. Proper care and maintenance will help ensure the longevity and appearance of the granite. If youre particularly concerned about heat resistance, consulting with a professional fabricator or installer can provide additional guidance specific to your situation.

Can I put a hot pan on Galaxy Tarn Granite kitchen countertop?

Galaxy Tarn Granite is a durable natural stone and is generally heat-resistant, meaning it can withstand high temperatures to some extent. Placing a hot pan directly on a granite countertop for a short period is unlikely to cause immediate damage such as cracking or discoloration. However, its always a good idea to exercise caution: 1. **Prevent Thermal Shock**: Extreme temperature changes can potentially cause thermal shock, leading to cracks. To avoid this, try not to transfer a very hot pan directly from a heat source to the cold granite surface. 2. **Protect the Sealant**: Although granite itself is heat-resistant, the sealant or any treatment applied to the stone for protection might not be. Regular exposure to heat can deteriorate the sealant over time, possibly affecting the granites lustrous finish. 3. **Maintain a Long-lasting Surface**: Consistently using trivets or hot pads can help protect your countertops, ensuring they remain in excellent condition for years. While a single instance may not be problematic, to preserve the beauty and integrity of your Galaxy Tarn Granite countertops, its wise to use trivets or hot pads routinely.

Is Galaxy Tarn Granite countertop heat resistant?

Galaxy Tarn Granite is generally heat resistant, as is typical with most granite countertops. Granite is a natural stone that can withstand high temperatures, making it suitable for use in kitchens where hot pots and pans might come into contact with the counter surface. However, even though heat resistance is one of granites attributes, its still advisable to use trivets or hot pads to prevent any potential thermal shock or damage to the sealant. Prolonged exposure to high heat can sometimes cause discoloration or damage over time.

Is tumbled Galaxy Tarn Granite floor tiles slip resistant?

Tumbled Galaxy Tarn Granite floor tiles generally have a textured surface due to the tumbling process, which can enhance their slip resistance compared to polished granite tiles. The tumbled finish creates a rougher surface that can help provide better traction underfoot, making them more suitable for areas where slip resistance is important, such as bathrooms or outdoor spaces. However, the level of slip resistance can vary based on the specific tile and the conditions in which it is used, such as whether the floor is wet or dry. For precise safety measures, its best to consult the manufacturers specifications or test the tiles in your intended environment, especially if safety is a primary concern. Additionally, consider using anti-slip treatments or mats in areas prone to getting wet.

Are polished Galaxy Tarn Granite floors slippery when wet?

Polished Galaxy Tarn Granite floors, like many other types of polished stone surfaces, can become slippery when wet. The smooth, polished finish reduces surface friction, making it more likely that someone could slip, especially if the floor is wet from spills, rain, or cleaning. To mitigate the risk of slipping, its a good idea to use non-slip mats in areas where the floor might frequently get wet (such as near entrances or in kitchens) and to promptly clean up any spills. Additionally, you can consider using treatments that increase the slip resistance of the polished surface.

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