Tufo Giallo Tuff

About
Item Details
- Material Type:
- Tuff
- Origin:
Italy (Canino, Valentano, Bolsena, Provincia di Viterbo, Lazio) - Primary Color(s):
- Yellow
- Recommended Usage:
- Monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, wall panels, reliefs, window sills, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, cobbles, pavers, curbstone
- Additional Names:
- Tufo Chiaro Tuff, Tufo di Bolsena, Canino Volcanic Tuff Stone, Tufo Giallo
- Finished Surface:
- Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Testing
- Water Absorption:
- 10 - 15 By volume %
- Density:
- 2000 - 2250 kg/m3
- Flexural Strength:
- 4.3 - 5.0 MPa
- Compressive Strength:
- 20.9 - 27.7 MPa
- Stone texture:
- distinguished by its warm yellow to golden-beige coloration, sometimes showing pale straw-yellow, light ochre, or slightly greyish-yellow shades depending on the quarry layer. The stone typically presents a soft, earthy appearance with subtle tonal variations and occasional lighter or darker patches created by volcanic ash deposits and pumice fragments embedded in the matrix. Its visual character is generally uniform but naturally rustic, giving surfaces a warm Mediterranean architectural aesthetic often associated with traditional Italian masonry. Texturally, Tufo Giallo exhibits a fine-grained, porous and vacuolar structure typical of volcanic tuff, formed from compacted volcanic ash and pyroclastic materials; this results in a lightweight yet cohesive stone with numerous microscopic cavities and small pumice inclusions within a consolidated ash matrix. The structure is relatively soft and workable when freshly quarried but gradually hardens after exposure to air, making it easy to cut and shape while still providing adequate strength and durability for building elements.
Description
Tufo Giallo Tuff, a distinguished volcanic stone known for its warm yellow to golden-beige coloration, brings historical charm and Mediterranean aesthetics to architectural projects. Its subtle tonal variations and natural rusticity are highly valued, especially in traditional Italian masonry. Below, you will find a detailed description of its physical and mechanical properties, chemical and mineral compositions, usage, and more.
Physical and Mechanical Properties
- Water Absorption: 10 - 15% by volume
- Density: 2000 - 2250 kg/m³
- Flexural Strength: 4.3 - 5.0 MPa
- Compressive Strength: 20.9 - 27.7 MPa
- Hardness: Relatively soft when freshly quarried; hardens over time
- Porosity: High due to the vacuolar structure, contributing to its lightweight nature
- Slip Resistance: Generally moderate, varies with finish
Chemical and Mineral Composition
- Silica (SiO₂): Main component, typically found in high quantities
- Alumina (Al₂O₃): Present in minor amounts
- Iron Oxides (Fe₂O₃): Impart coloration and contribute to its warm hues
- Calcium Oxide (CaO): Occurs in varying proportions
- Magnesium Oxide (MgO), Sodium Oxide (Na₂O), Potassium Oxide (K₂O), and other trace elements may also be present to varying extents
Usage
- Architectural Applications:
- Exterior Cladding: Enhances facades with its signature color and texture
- Interior Walls: Provides warmth and character
- Landscaping: Used in garden walls and outdoor structures
- Historical Restoration: Ideal for refurbishing older buildings due to its traditional look
Maintenance
- Cleaning: Regular dusting and occasional gentle washing; avoid acidic cleaners
- Sealing: To enhance durability and reduce water absorption, sealing might be required based on exposure
Cutting Sizes and Surface Finishes
Cutting Sizes:
- Typical slabs available in a range of custom sizes, commonly starting from thicknesses of 3 cm and upwards; specific dimensions are cut to project requirements
Common Surface Finishes:
- Natural Split: Retains a rustic, natural texture
- Honed: Provides a smooth, matte surface enhancing the color without gloss
- Sandblasted: Creates a slightly rough texture, adding to slip resistance
Tufo Giallo Tuff embodies both the practical and aesthetic qualities sought after in building materials, particularly suited for projects aiming to capture historical charm and the essence of Mediterranean architecture. Its blend of workability, traditional appearance, and natural beauty makes it a favored choice for architects and builders.













