Hail Gneiss

Grey - Gneiss

ItalyItaly
Item Details

Quarry Location: Formazza, Premia, Provincia di Verbano-Cusio-Ossola, Piemonte

Water Absorption: 0.35 By weight %

Density: 2665 kg/m3

Flexural Strength: 15.0 MPa

Compressive Strength: 138.0 - 150.0 MPa

Recommended Usage: Wall and floor applications, countertops, mosaic, fountains, pool and wall capping, stairs, window sills

Finishing Surface: Sawn cut, Honed, Natural, Split, river worn, feature rocks

Additional Names: Hail Granite,Granito Hail Granite,Hail Gneiss

Description:
Petrographic definition: ortogneiss
Mass of the Volume Unit: 2665 Kg/m3
Water Absorption: 0.35 - 0.40%
Simple Compression Breakage Load: 150 MPa
Single compression breaking load after freezing: 138 MPa
Tangent Elastic Module: 47.300 MPa
Secular Elastic Module: 32,000 MPa
Indirect tensile strength by bending: 15.0 MPa
Relative coefficient of Abrasion (referred to the Granito di S. Fedelino): 0.81
Impact resistance: minimum height of fall: 89 cm
Thermal linear expansion coefficient: 6.8 10-5 x 0C-1
Knoop micro-hardness: 5692 MPa
Source: Università di Pisa - Politecnico di Torino
FAQ
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Can Italy's Hail Gneiss be used outdoors?
Italys Hail Gneiss is a type of natural stone commonly used in construction and interior design. While it is primarily used for indoor applications such as countertops, flooring, and wall cladding, it can also be used outdoors in certain scenarios. Whether Italys Hail Gneiss can be used outdoors depends on the specific conditions and the intended use. Gneiss is a metamorphic rock formed from the recrystallization of pre-existing rocks under high temperature and pressure. It is known for its durability, resistance to weathering, and aesthetic appeal, making it a suitable choice for outdoor applications in some cases. For example, Italys Hail Gneiss can be used for outdoor paving, including patios, walkways, and pool surrounds. It can also be utilized for outdoor wall cladding or as a decorative element in gardens and landscape designs. However, it is important to note that prolonged exposure to extreme weather conditions, such as freezing temperatures or intense sunlight, may affect the stones appearance and longevity. To ensure that Italys Hail Gneiss performs well outdoors, it is recommended to consider factors such as the climate, maintenance requirements, and the stones specific properties. Consulting with a professional stone supplier or an architect experienced in working with natural stone can help determine the suitability of Italys Hail Gneiss for your outdoor project.
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Are there color variations of Italy's Hail Gneiss?
It is unclear if there are specific color variations of Italys Hail Gneiss. Gneiss is a metamorphic rock formed from pre-existing rocks under high pressure and temperature conditions. The color of gneiss can vary depending on the types of minerals present in the original rocks and the specific conditions of metamorphism. Therefore, the color variations of Hail Gneiss in Italy can vary depending on the mineral composition and geological history of the region where it is found. It is advisable to consult geological surveys or studies specific to the area to determine the color variations of Hail Gneiss in Italy.
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What is the coefficient of friction of Water Jet Cut Italy's Hail Gneiss tiles?
I apologize, but I couldnt find the specific coefficient of friction of Water Jet Cut Italys Hail Gneiss tiles. The coefficient of friction can vary depending on factors such as the type of surface finish, the presence of any coatings, and the condition of the tiles. It is recommended to contact Water Jet Cut Italy or the tile manufacturer directly to obtain the coefficient of friction for their specific tiles.
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How thick is Italy's Hail Gneiss slabs?
I do not have access to specific information about the thickness of Italys Hail Gneiss slabs. However, Gneiss rock typically occurs in large, thick slabs, ranging from a few inches to several feet in thickness. The thickness of the Hail Gneiss slabs in Italy may vary depending on the specific location and geological conditions.
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Can Italy's Hail Gneiss be used in a bathroom?
Italys Hail Gneiss is a type of natural stone that is primarily used for construction and architectural purposes. While it can be used in various interior and exterior applications such as flooring, walls, countertops, and even outdoor cladding, it might not be the most suitable choice for a bathroom. Gneiss is a metamorphic rock that is formed from the recrystallization of granite under high temperature and pressure. It is typically characterized by its unique and intricate grain patterns, but it is not as porous or dense as certain other stones like granite or quartz. In a bathroom setting, where water exposure and humidity levels are relatively high, it is important to choose materials that are more resistant to moisture and potential damage. Gneiss, being less dense, could be more susceptible to staining or damage from constant exposure to water, if not properly sealed and maintained. Therefore, while Italys Hail Gneiss can potentially be used in a bathroom, it is advisable to consult with a professional stone supplier or designer who can provide recommendations on more suitable and durable options for a bathroom environment.
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Can Italy's Hail Gneiss be used in wall coverings?
Yes, Italys Hail Gneiss can be used in wall coverings. Gneiss is a common metamorphic rock that is known for its beautiful colors, texture, and durability. It is often used in construction and interior design applications, including wall coverings. The unique patterns and colors of Hail Gneiss can add an elegant and rustic touch to any space.
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Can Italy's Hail Gneiss be used exterior applications in very rainy climates?
Yes, Italys Hail Gneiss can be used for exterior applications in very rainy climates. Gneiss is a durable and weather-resistant metamorphic rock that can withstand harsh weather conditions, including heavy rain. It does not easily deteriorate or absorb water, making it suitable for outdoor use. However, it is always recommended to properly seal and maintain the stone to ensure its longevity and resistance to water damage.
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Is Italy's Hail Gneiss an expensive stone?
I do not have access to real-time market prices or inventory information for specific stones. However, the cost of a stone can depend on several factors, including the rarity of the stone, its quality, color, and origin. Hail Gneiss is a unique stone from Italy that features a dark gray background with lighter gray and white veining. Due to its limited availability and unique appearance, it could be considered a more expensive stone. To get a better idea of the cost, it is best to consult with a stone supplier or expert in the field.
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What grade is Italy's Hail Gneiss?
Italys Hail Gneiss is classified as an orthogneiss, which is a type of metamorphic rock. Grades for metamorphic rocks are not based on the traditional school grading system, so it is not assigned a specific grade. Instead, the grade of a rock is determined based on its texture, mineral composition, and the conditions under which it formed.