Serizzo Antigorio Granite, sometimes referred to as gneiss stone, is a distinctive natural stone primarily quarried in the Crodo area of Val Antigorio, which is located in the Provincia di Verbano-Cusio-Ossola region of Piemonte, Italy. This granite is highly regarded for its unique characteristics and is widely used in construction and architectural applications.

Key features and characteristics of Serizzo Antigorio Granite:

Orthogneiss Granitoid: Serizzo Antigorio Granite is classified as an orthogneiss granitoid. Orthogneiss is a type of metamorphic rock that was originally formed from igneous rock. It exhibits a coarse texture and granular appearance.

Homogeneous Medium Grain: The granite has a consistent, medium-grain texture throughout its structure. This uniformity in grain size adds to its aesthetic appeal and makes it suitable for various design purposes.

Coloration: One of the distinguishing features of Serizzo Antigorio Granite is its dark gray color. This color is primarily attributed to the significant presence of biotite mica within the stone. The mica imparts a distinctive dark hue to the granite, creating a visually striking contrast against its white background.

Quarry Location: As mentioned, Serizzo Antigorio Granite is quarried in the Crodo area of Val Antigorio, which is part of the Piemonte region in Italy. The stone's name often includes "Antigorio" to reflect its origin.

Versatility: Due to its unique appearance and durability, Serizzo Antigorio Granite is a popular choice for various applications in construction and design. It is commonly used for countertops, flooring, cladding, and architectural features. Its elegant combination of white and gray hues adds a touch of sophistication to any space.

Durability: Like most granite varieties, Serizzo Antigorio Granite is known for its exceptional durability and resistance to wear and tear. It can withstand the test of time, making it a reliable choice for both indoor and outdoor projects.

Natural Beauty: The granite's natural beauty, characterized by the interplay of light and dark elements, makes it a sought-after material for creating visually appealing and aesthetically pleasing environments.

In summary, Serizzo Antigorio Granite is a remarkable natural stone prized for its dark gray coloration, medium-grain texture, and overall aesthetic appeal. It is sourced from the Val Antigorio region of Piemonte, Italy, and is highly versatile, making it a preferred choice for various architectural and design applications.

Petrographic definition: orthogneiss
Massa Unit Volume: 2655 kg/m3
Water Absorption: 0.38%
Breaking Load Compression Simple: 168 MPa
Compression breaking load after freezing: 168 MPa
Tensile Strength through indirect Flex: 16.5 MPa
Its coefficient of Abrasion (referred to Granite St. Fedelino): 0.81
Impact resistance: minimum fall height: 79 cm
Linear thermal expansion coefficient of 5.8 x 10-5 0C-1
Knoop microhardness: 4209 MPa
Index unevenness of hardness: 1.91
Source: Università di Pisa - Politecnico di Torino

CHEMICAL ANALYSIS
In chemical composition % weight of the ox of the elements
chemicals that make up the rock.
SiO2- 68,0
TiO2 - 1,4
Al2O3 -17,6
Fe2O3 -0,5
FeO -1,9
MgO -1,1
CaO -2,0
Na2O -3,7
K2O -3,8
Mineralogical composition % by volume of minerals components of the rock.
Quartz - 30
Plagioclase - 25
Ortoclasio - 26
Biotite - 10
Muscovite - 5
Epidoto - 3
Accessories: Tourmaline,Zircon, Apatite - 1