Valser Grau Gneiss is a unique and distinctive natural stone renowned for its varied coloration and schistose texture. Quarried in Vals Platz, Graubünden, Switzerland, this fine-grained gneiss stands out as a captivating choice for various architectural and design applications. Here's a detailed description of Valser Grau Gneiss:

Color and Texture: Valser Grau Gneiss exhibits a fascinating interplay of colors, primarily featuring shades of gray with hints of greenish hues. The stone's color palette varies, giving it a dynamic and visually intriguing appearance. This variation, along with its fine-grained texture, contributes to its distinctiveness.

Schistose Texture: One of the most defining characteristics of Valser Grau Gneiss is its schistose texture. This texture is characterized by the presence of foliated layers that give the stone a slightly rough, layered appearance. It adds depth and character to the stone's surface, making it visually captivating.

Versatility: Valser Grau Gneiss is a versatile natural stone suitable for a wide range of architectural and design applications. It is commonly used for interior and exterior flooring, wall cladding, countertops, and decorative elements. Its unique appearance allows it to be employed in both contemporary and traditional design schemes.

Durability: Gneiss is known for its durability, and Valser Grau Gneiss is no exception. It is a robust and resilient stone that can withstand heavy use, making it suitable for high-traffic areas. Its durability ensures that it can maintain its aesthetic appeal over time.

Origin: Valser Grau Gneiss is quarried in Vals Platz, Graubünden, Switzerland. The geological conditions of this region have played a significant role in shaping the stone's unique qualities and appearance.

Aesthetic Appeal: The varied gray and greenish hues, combined with the schistose texture, give Valser Grau Gneiss a distinctive and captivating aesthetic. It adds a touch of natural beauty and character to architectural and design projects, making it a sought-after choice for those looking to create visually engaging spaces.

Chemical Composition (% by weight)

• SiO₂ .... 60 – 70%
• Al₂O₃ .... 10 – 15%
• Fe₂O₃ .... 2 – 4%
• CaO .... 1 – 2%
• MgO .... 1 – 3%
• K₂O/Na₂O .... 3 – 5% 

Mineralogical Composition

• Quartz .... 35 – 45%
• Feldspar (Plagioclase, K-Feldspar) .... 30 – 40%
• Mica (Biotite, Muscovite) .... 10 – 15%
• Chlorite / Hornblende .... Trace – 5%
• Others (Garnet, Pyroxene) .... Trace

In summary, Valser Grau Gneiss is a fine-grained gneiss quarried in Vals Platz, Graubünden, Switzerland, characterized by its varied gray and greenish colors and schistose texture. Its unique appearance, versatility, and durability make it an ideal choice for enhancing the aesthetics and functionality of various interior and exterior spaces, where it brings a sense of natural beauty and visual intrigue.