Beola Stella Gneiss is a fine-grained natural stone known for its distinctive cloudy silver-grey and white veining. It is quarried in the regions of Trontano and Villadossola in the Provincia del Verbano Cusio Ossola, Italy. This type of gneiss is appreciated in the construction and design industries for its aesthetic appeal and durability.

Colors

• Primarily grey with silver undertones
• White veining adds contrast and visual interest

Physical and Mechanical Properties

• Water Absorption: Approximately 0.6%
• Density: 2633 kg/m³
• Flexural Strength: 15.5 MPa
• Compressive Strength: 164.0 MPa
• Hardness: Moderate to high, typical of gneiss materials
• Porosity: Low, contributing to its resistance to water and staining
• Slip Resistance: Generally good, but specific values depend on surface finish

Chemical and Mineral Composition

• Quartz: Approximately 40-50%
• Feldspar: Approximately 30-40%
• Biotite and Muscovite Mica: 10-15%
• Accessory Minerals: Including but not limited to, garnet, sillimanite, and others contributing to its unique appearance

Usage

• Interior Applications: Floor tiles, countertops, wall cladding, and bathroom vanities
• Exterior Applications: Facades, paving, and landscaping elements
• Commercial Applications: High-traffic areas due to its durability and slip resistance
• Monumental and Decorative Uses: Sculptures and monuments

Maintenance

• Regular cleaning with pH-neutral cleaning agents
• Immediate cleaning of spills to prevent staining
• Occasional sealing to maintain surface integrity and appearance

Cutting Sizes

• Typically available in slab forms
• Common thickness ranges from 2 cm to 3 cm for slabs
• Custom cutting sizes available based on project requirements

Surface Finish Options

• Polished: Enhances color and veining, suitable for interior applications
• Honed: Smooth with a matte finish, less slippery for flooring
• Flamed: Textured for increased slip resistance in outdoor applications
• Brushed: Soft, worn appearance for a rustic look
• Sandblasted: Rough texture, ideal for non-slip surfaces

Beola Stella Gneiss, with its versatile properties and elegant appearance, is a favored choice for a variety of architectural and design applications. This natural stone's low porosity and high strength make it suitable for both indoor and outdoor environments, providing a timeless look with robustness to everyday wear.