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Cinzento Monchique Granite

Cinzento Monchique GraniteCinzento Monchique GraniteCinzento Monchique GraniteCinzento Monchique GraniteCinzento Monchique GraniteCinzento Monchique GraniteCinzento Monchique GraniteCinzento Monchique Granite
Cinzento Monchique Granite

Grey - Granite

Portugal

About

Item Details

Material Type:
Granite
Origin:
Portugal (Monte Foia, Portimao, Serra de Monchique, Faro, Algarve)
Primary Color(s):
Grey
Recommended Usage:
Kitchen and bathroom countertops, wash basins, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, fireplaces
Additional Names:
Gran Rice Monchique Granite, Monchique St. Luis Granite, Cinzento de Monchique Granite, Cinzento Grey Granite, Cinzento San Luis Granite, Saint Luis Granite, Sienito de Monchique Granite, Cinzento Monchique Granite, Cinza Monchique Granite, Sienito Monchique Granite, Cinzento Monchique, Cinzento Monchique Granite
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:
0.25 By weight %
Density:
2553 kg/m3
Flexural Strength:
178 kg/cm2
Compressive Strength:
856 - 1055 kg/cm2
Stone texture:
a light silver-grey to medium charcoal, punctuated by bright, metallic silver​ and deep graphite black​ mineral crystals, fine to medium-grained, phaneritic texture nephelinic syenite stone

Description

Cinzento Monchique Granite is a distinctive and attractive natural stone quarried in the picturesque region of Monchique, specifically in Monte Foia, Portimao, Serra de Monchique, Faro, Algarve, Portugal. Known for its light silver-grey to medium charcoal appearance with striking bright, metallic silver, and deep graphite black mineral crystals, this stone is a type of nephelinic syenite granite with fine to medium-grained, phaneritic texture.

Physical and Mechanical Properties:

  • Water Absorption: 0.25% by weight
  • Density: 2553 kg/m³
  • Flexural Strength: 178 kg/cm²
  • Compressive Strength: 856 - 1055 kg/cm²
  • Hardness: Typically described using the Mohs scale; granite generally falls around 6-7.
  • Porosity: Low, contributes to its durability and resistance to weathering.
  • Slip Resistance: Varies based on surface finish, generally good in a flamed or honed finish for high traction.

Chemical and Mineral Compositions:

  • Feldspar: Significant percentage, essential for its glassy luster and color.
  • Quartz: Typically present in smaller quantities compared to traditional granites.
  • Nepheline: Key mineral in this nephelinic syenite, contributing to its unique appearance.
  • Biotite: Contributes to the darker mineral flecks.
  • Iron Oxides: Influence the color variation, leading to deeper hues.

Usage:

Cinzento Monchique Granite is highly versatile and can be used in a variety of applications, including:

  • Commercial and residential flooring and wall cladding
  • Steps and staircases
  • Kitchen countertops and bathroom vanities
  • Exterior paving and landscaping features

Maintenance:

  • Cleaning: Use pH-neutral cleaners; avoid acidic or abrasive substances to maintain gloss and prevent damage.
  • Sealing: Recommended annually to enhance stain resistance and preserve the surface finish.
  • Regular upkeep: Promptly clean up spills to prevent staining or etching.

Cutting Sizes:

  • Typically available in standard slab sizes and tiles:
  • Slab thickness generally ranges between 2 cm and 3 cm.
  • Common tile sizes include 30x30 cm, 30x60 cm, 60x60 cm, and custom sizes by order.

Available Common Surface Finish Options:

  • Polished: High gloss finish that enhances color and mineral reflection.
  • Honed: Smooth, flat finish with a matte appearance, ideal for high-traffic areas.
  • Flamed: Rough texture created by thermal treatment, providing high slip resistance.
  • Bush-hammered: Coarse texture for rustic applications, also slip-resistant.
  • Brushed: Slightly textured finish that softens the stone's appearance.

Cinzento Monchique Granite, with its unique appearance and robust physical properties, makes it a favored choice for both aesthetic and functional applications in construction and design projects.

Physical–Mechanical Characteristics

  • Compressive strength: 1,055 kg/cm²
  • Compressive strength after freezing test: 856 kg/cm²
  • Flexural strength: 178 kg/cm²
  • Apparent density: 2,553 kg/m³
  • Water absorption (at atmospheric pressure): 0.25%
  • Open porosity: 0.65%
  • Linear thermal expansion coefficient: 13.8 × 10⁻⁶ / °C
  • Abrasion resistance: 0.5 mm
  • Impact resistance (minimum fall height): 55 cm

Chemical Analysis

  • SiO₂: 54.44%
  • Al₂O₃: 21.64%
  • Fe₂O₃ (total): 3.56%
  • MnO: 0.07%
  • CaO: 1.78%
  • MgO: 0.47%
  • Na₂O: 8.52%
  • K₂O: 6.78%
  • TiO₂: 0.18%
  • P₂O₅: 0.07%
  • H₂O⁺: 1.34%
  • H₂O⁻: 0.31%

FAQ

Can Portugal's Cinzento Monchique Granite be used exterior applications in very dusty climates?

Portugals Cinzento Monchique Granite can generally be used for exterior applications in dusty climates. Granite is a highly durable and dense natural stone that is resistant to most weather conditions, including dust. However, it is important to note that regular maintenance and cleaning might be required to keep the stone looking its best in dusty environments. Proper sealing and periodic cleaning can help prevent the accumulation of dust and ensure the longevity and aesthetic appeal of the granite in such climates.

Can Portugal's Cinzento Monchique Granite be used in a dining room?

Yes, Portugals Cinzento Monchique Granite can definitely be used in a dining room. Granite is a highly durable and long-lasting natural stone that is resistant to heat, scratches, and stains, making it an ideal choice for a dining room environment. Cinzento Monchique Granite has a beautiful gray color with subtle variations and patterns, which can add elegance and sophistication to any dining room design. Additionally, granite is easy to clean and maintain, making it a practical choice for a space where food and beverages are consumed.

Can Portugal's Cinzento Monchique Granite be used in wall coverings?

Yes, Portugals Cinzento Monchique Granite can be used in wall coverings. Granite is a durable and versatile natural stone that is commonly used for various applications including wall coverings and cladding. The Cinzento Monchique Granite, with its grey color and striking patterns, can create a visually appealing and elegant look in any interior or exterior wall covering project.

What grade is Portugal's Cinzento Monchique Granite?

I dont have information regarding grades of specific granite types. However, it is important to note that granite is graded based on its quality, durability, and appearance. The grading system can vary depending on the specific granite type and the country of origin.

Can Portugal's Cinzento Monchique Granite be used outdoors?

Yes, Cinzento Monchique granite can be used outdoors. It is a highly durable and weather-resistant natural stone that is commonly used in exterior applications such as building facades, paving, landscaping, and monuments. Its resistance to frost, UV radiation, and environmental pollutants makes it an ideal material for outdoor use in a variety of climates.

Are there color variations of Portugal's Cinzento Monchique Granite?

Yes, there are variations of color in Portugals Cinzento Monchique Granite. Depending on the quarry where it is sourced, it can have different shades of gray, ranging from light to dark, and sometimes even showing blue or yellowish tones. The patterns and veining can also vary, giving each slab a unique appearance.

Is Portugal's Cinzento Monchique Granite an expensive stone?

I do not have access to current market prices, thus cannot provide an exact answer. However, in general, granite is a premium building material with varying prices depending on its quality, rarity, and origin. Cinzento Monchique Granite is a high-quality variety found in Portugal, and it may be more expensive than other types of granite due to its unique color and texture. Nonetheless, the price may still be influenced by the supplier, quantity, and market demand.

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