Post Your Needs

Galaxy Grey Quartzite

Galaxy Grey QuartziteGalaxy Grey QuartziteGalaxy Grey Quartzite
Galaxy Grey Quartzite

Semi White - Quartzite

Brazil

About

Item Details

Material Type:
Quartzite
Origin:
Brazil
Primary Color(s):
Semi White
Recommended Usage:
kitchen and bathroom countertop, wash basins, building stone, ornamental stone, stairs, interior wall and floor applications, mosaic, water-jet pattern, wall panels, table tops, balustrades, columns, fireplaces, luxury furniture
Additional Names:
Milky Way Grey Quartzite, Galaxy Gray Quartzite, Grey Galaxy Quartzite, Silver Shadow Quartzite, in China stone market:银河灰(Yín Hé Huī), Silver Shadow
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.05 - 0.30%
Density:
2670 - 2720 kg/m³
Flexural Strength:
15 - 20 MPa
Compressive Strength:
140 - 160 MPa

Description

Galaxy Grey Quartzite features a muted olive-green to sage-grey background with a subtle sandy appearance and fine mineral speckles. Its distinctive pattern consists of bold, horizontal to diagonally flowing wave-like veins in deep charcoal-grey to black, creating a dramatic landscape-like effect across the slab. The surface has a refined, soft sheen that reflects both warm and cool lighting, highlighting the contrast between the dark mineral bands and the understated green-grey background.

Texture & Structure

  • Texture: Fine to medium-grained, compact and slightly granular, with a subtle sandy micro-texture.

  • Pattern: Bold, irregular horizontal and diagonal waves, charcoal-black mineral bands, and delicate scattered micro-speckles.

  • Structure: Dense, interlocking quartz-rich crystalline structure with naturally occurring dark mineral concentrations.

  • Surface Finishes: Polished, honed, leathered, brushed.

Technical Characteristics

The following are indicative reference ranges for preliminary database classification, not verified laboratory test results for this specific material.

Property

Indicative Value

Water Absorption

0.05–0.30%

Bulk Density

2,670–2,720 kg/m³

Open Porosity

0.10–0.80%

Flexural Strength

15–20 MPa

Compressive Strength

140–160 MPa

Abrasion Resistance

12–25 mm

Mohs Hardness

6.5–7

Chemical & Mineralogical Composition

Indicative Mineral Composition

Mineral

Estimated Content (% by weight)

Quartz

75–90%

Feldspar

3–12%

Biotite

1–6%

Muscovite

1–5%

Chlorite

0–5%

Amphibole

0–4%

Iron Oxides

0.5–3%

Other Accessory Minerals

0–3%

Indicative Chemical Composition

Chemical Component

Estimated Content (% by weight)

SiO₂

85–96%

Al₂O₃

1–8%

Fe₂O₃

0.5–4%

K₂O

0.2–3%

Na₂O

0.1–2%

MgO

0.1–2%

CaO

0–2%

TiO₂

0.05–0.8%

Loss on Ignition (LOI)

0.1–2%

Note: These are indicative estimates based on a possible quartz-rich metamorphic composition, not measured results for this particular Brazilian quarry. Actual values require XRF and XRD laboratory analysis.

Usage

Suitable for kitchen countertops, bathroom vanity tops, flooring, interior and exterior wall cladding, feature walls, fireplace surrounds, reception desks, hotel lobbies, bar counters, staircases, dining tables, and custom architectural applications. Its distinctive dark wave-like veining and muted green-grey background make it particularly suitable for luxury residential and commercial projects.

Maintenance

Clean regularly with a soft cloth, warm water, and a pH-neutral stone cleaner. Avoid abrasive pads and harsh chemicals. Although quartzite generally offers good resistance to scratching and everyday wear, protective sealing is recommended after testing the stone's absorption characteristics. Wipe spills promptly, especially oils and strongly colored liquids. Use cutting boards and heat-resistant mats on kitchen countertops. Periodically inspect the sealer and reseal when necessary to maintain stain resistance and surface appearance.

FAQ

Can Brazil's Silver Shadow Quartzite be used in a office?

Yes, Brazils Silver Shadow Quartzite can be used in an office setting. This natural stone material is known for its elegance and durability, making it suitable for various commercial applications, including office spaces. Its silver and gray tones give a sophisticated and professional look to any environment, making it a popular choice for countertops, floors, and wall cladding in office interiors. However, it is important to consider the specific design requirements, functionality, and aesthetic preferences when selecting the stone for an office space.

Can Brazil's Silver Shadow Quartzite be used exterior applications in cold climates?

Silver Shadow Quartzite is a natural stone that can be used for exterior applications, including in cold climates. However, it is important to note that natural stone is susceptible to weathering and may require extra care and maintenance in cold climates. In cold climates, the freeze-thaw cycle can cause damage to natural stone if water is able to penetrate its surface. To ensure the longevity and durability of Silver Shadow Quartzite in cold climates, it is recommended to protect the stones surface by sealing it regularly. Sealing can help prevent water infiltration and minimize the risk of damage caused by freezing and thawing. Additionally, it is crucial to choose a high-quality sealer specifically designed for use on natural stone. The sealer should be applied according to the manufacturers instructions and reapplied periodically to maintain its effectiveness. Proper installation and use of an appropriate drainage system are also important to prevent water from pooling or accumulating on the surface of the quartzite. If water is allowed to sit on the stone for extended periods, it may increase the risk of damage. Overall, while Silver Shadow Quartzite can be used for exterior applications in cold climates, it is essential to take proper care and maintenance measures to ensure its longevity and performance in such conditions.

How thick is Brazil's Silver Shadow Quartzite slabs?

The thickness of Brazils Silver Shadow Quartzite slabs can vary depending on the supplier and customer preferences. However, typical thickness options for quartzite slabs range from 2 centimeters (0.79 inches) to 3 centimeters (1.18 inches).

Can Brazil's Silver Shadow Quartzite be used in landscaping?

Yes, Brazils Silver Shadow Quartzite can be used in landscaping. Quartzite is a durable and versatile natural stone that is well-suited for outdoor applications, including landscaping. It is known for its attractive appearance, with a distinctive silver and grey coloration. Silver Shadow Quartzite can be used for various landscaping purposes such as paving walkways and patios, building retaining walls, creating decorative features, or as a stone veneer for walls. It is important to note that proper installation techniques and regular maintenance should be followed to ensure the longevity and aesthetic appeal of the stone in a landscaping project.

Are there color variations of Brazil's Silver Shadow Quartzite?

Yes, there can be variations in the color of Brazils Silver Shadow Quartzite. While the primary color of Silver Shadow Quartzite is silver or gray, it can also have streaks, veins, or flecks of other colors such as white, cream, beige, or even hints of blue. The specific color variations can vary from slab to slab and also depend on the source quarry. It is always recommended to view the actual slabs in person or request samples to get a better understanding of the specific color variations available.

Can Brazil's Silver Shadow Quartzite be used outdoors?

Yes, Brazils Silver Shadow Quartzite can be used outdoors. Quartzite is a highly durable and weather-resistant natural stone, making it suitable for outdoor applications such as patios, walkways, pool decks, and outdoor kitchen countertops. It can withstand exposure to sunlight, rain, and extreme temperatures without easily degrading or showing signs of wear and tear. However, proper installation and sealing are necessary to ensure its longevity and protect it from potential damage caused by moisture, staining, and other external factors.

Is Brazil's Silver Shadow Quartzite an expensive stone?

I dont have d information about the market prices. However, its always a good idea to check with local suppliers and compare prices to get an idea of the cost of the stone. Keep in mind that prices can vary depending on the location, availability, and quality of the stone.

Products & Prices

Galaxy Grey Quartzite Products

View More

Hot Semi White Quartzite

New Quartzite

Post Your Request

The request includes:
  1. surface finished, size
  2. quantity required