Post Your Needs

Koida Black Granite

Koida Black GraniteKoida Black GraniteKoida Black GraniteKoida Black Granite
Koida Black Granite

Black - Granite

Finland

About

Item Details

Material Type:
Granite
Origin:
Finland (Hietalantie, Suomi, North Karelian region)
Primary Color(s):
Black
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, sculptures, fireplaces, window sills
Additional Names:
Karelian Black Granite, Finnish Black Granite, Joyace Finnish Black Granite, Joyace Black Granite, in China stone market:嘉岩芬兰黑(Jiāyán Fēnlán Hēi), Koida Black, Koida Black 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:
0.046 %
Density:
3092 kg/m3
Flexural Strength:
26.8 MPa
Compressive Strength:
366 MPa
Stone texture:
deep black base color with subtle reflective mineral grains that create a sleek and uniform appearance black dolerite Color Base: Jet black, consistent throughout the slab Texture: Fine to medium grain with natural mineral sparkles Pattern: Mostly uniform with occasional tiny specks or veins for natural variation

Description

Koida Black Granite, a luxurious and stylish natural stone, is known for its deep jet-black color and subtle reflective mineral grains, lending it a sleek and uniform appearance. This particular granite is also referred to as black dolerite and is quarried in Hietalantie, Suomi, in the North Karelian region of Finland.

Physical and Mechanical Properties:

  • Color Base: Jet black, consistent throughout the slab
  • Texture: Fine to medium grain with natural mineral sparkle
  • Pattern: Mostly uniform with occasional tiny specks or veins for natural variation
  • Water Absorption: 0.046%
  • Density: 3,092 kg/m³
  • Flexural Strength: 26.8 MPa
  • Compressive Strength: 366 MPa
  • Hardness: Typically high, akin to other granites
  • Porosity: Very low due to its dense structure
  • Slip Resistance: Good, particularly when a textured finish is applied

Chemical and Mineral Composition (% by weight):

  • Quartz: 20-25%
  • Plagioclase Feldspar: 40-45%
  • Biotite: 5-10%
  • Amphibole: 5-10%
  • Magnetite and other opaque minerals: 5-10%
  • Other Trace Elements: 5-10%

Usage:

  • Interior Applications: Countertops, floors, wall cladding, and decorative features
  • Exterior Applications: Facades, pavements, and landscaping elements
  • Other Uses: Monuments, sculptures, and building veneers

Maintenance:

  • Regular Cleaning: Use a damp cloth with a mild detergent; avoid acidic or abrasive cleaners
  • Sealing: Recommended to enhance resistance to stains and improve longevity
  • Avoid: Heavy impact, excessive heat, and harsh chemicals to maintain appearance

Cutting Sizes and Common Surface Finish Options:

  • Cutting Sizes: Available in a variety of sizes, typically ranging from small tiles (30x30 cm) to large slabs (200x300 cm)

Surface Finish Options:

  • Polished: High-gloss finish that enhances the natural beauty and color
  • Honed: Smooth, matte finish for a softer appearance
  • Leathered: Textured finish that adds depth and reduces slip risk
  • Flamed: Rough, slip-resistant finish suitable for outdoor use

Koida Black Granite is a versatile and durable stone, ideal for adding an elegant touch to both residential and commercial spaces. Its robust physical and chemical properties ensure lasting beauty and performance.

It is quarried in the North Karelian region. This timeless dolerite typically has a fine to medium grain texture. It features a rich black color and an extremely hard, tough surface that polishes exceptionally well.

Mineral Composition:

  • Plagioclase: 53.6%
  • Pyroxene: 39.0%
  • Opaque minerals: 6.4%
  • Amphibole: 1.0%

Technical Properties of Koida Black:

  • Compressive strength (EN 1926): 366 MPa
  • Flexural strength (EN 12372): 26.8 MPa
  • Water absorption (EN 13755): 0.046%
  • Density (EN 1936): 3092 kg/m³
  • Frost resistance (EN 12371): No visible changes
  • Frost resistance: Good

FAQ

Can Finland's Koida Black Granite be used in a office?

Yes, Finlands Koida Black Granite can definitely be used in an office. It is a durable and versatile stone that can be suitable for various applications, including office spaces. The dark and elegant appearance of Koida Black Granite can add a sophisticated and professional look to an office and it can be used for countertops, flooring, wall cladding, or even decorative accents.

Can Finland's Koida Black Granite be used exterior applications in very humid climates?

Yes, Finlands Koida Black Granite can be used for exterior applications, even in very humid climates. Granite is known for its durability and resistance to moisture, making it suitable for outdoor use. However, it is essential to ensure proper installation techniques and regular maintenance to prevent any potential damage or discoloration in such climates. For expert advice, it is recommended to consult with a professional or the supplier of the granite.

Can Finland's Koida Black Granite be used in landscaping?

Yes, Finlands Koida Black Granite can be used in landscaping. It is a type of granite that features a black color with occasional silver and white veining, making it an attractive choice for various landscaping applications. Koida Black Granite can be used in pathways, driveways, patios, outdoor countertops, and as decorative elements in gardens. Its durability, strength, and natural beauty make it suitable for both residential and commercial landscaping projects.

Can Finland's Koida Black Granite be used outdoors?

Yes, Finlands Koida Black Granite can be used outdoors. Granite is a highly durable and versatile material that is commonly used for outdoor applications such as countertops, pavers, and cladding. It is resistant to weathering, fading, and scratching, making it suitable for outdoor use where it will be exposed to the elements. However, it is always recommended to properly seal and maintain the granite to ensure its long-term durability and appearance.

What grade is Finland's Koida Black Granite?

I do not have access to up-to-date information about the grading system of Finlands Koida Black Granite. However, granite is typically graded based on its quality and characteristics such as color, texture, and durability. The grading system can vary between countries and regions. Its best to consult a local expert or supplier for information on the grading system for Koida Black Granite in Finland.

Are there color variations of Finland's Koida Black Granite?

I do not have access to up-to-date information about the current availability of the Koida Black Granite. However, in general, the Koida Black Granite is known for its consistent black color without much variation. It is possible that slight variations in darkness or texture may occur due to differences in the quarrying or finishing process, but these are minimal. Nonetheless, the best way to confirm the availability of the material for specific color or texture requirements is to contact the granite supplier or manufacturer directly.

Is Finland's Koida Black Granite an expensive stone?

I do not have access to current pricing information. However, in general, Koida Black Granite is considered a high-quality and luxurious stone, which may make it more expensive compared to other types of granite. Factors such as rarity, quarry location, demand, and size of the slab can also affect the price.

Products & Prices

Koida Black Granite Products

Hot Black Granite

New Granite

Post Your Request

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