Gneiss is metamorphic rock, it is derived from magmatic rocks, such as granites, and are formed from quartz crystals of feldspars and micas (same granite minerals, but with a different capability).

Often times it is characterized by oriented structure defined by different names, they may present a striated appearance.

Gneiss is stone with color ranging from light gray to dark gray to greenish-gray that alternates light areas with dark areas. The family also contains the Beola and Serizzo stones.

They are characterized by lamellar structure with easy divisibility in thick or thin flat slabs.

Gneiss is hard and resistant stone, and found a wide use is in road paving and structural elements of building. It is used for floors, walls and roofs, facade elements and as street stones. They are used for paving in gardens and for the traditional coverage of houses. In Interior design they are used for stairs, flooring, kitchen tops and bathrooms.

When blocks of gneiss, beola and serizzo have been prepared with sawn surfaces, they can be split with automatic H-frame machines with 4 blades, such as the P4 series, to be split in slabs with a small thickness.

Processing machines Gneiss-serizzo-beola

Featured with heavy-duty frame, STARK jaw crushers are ideal for crushing not only waste marble, granite and natural stone, but also a wide variety of different materials such as agglomerate, ceramic, glass, and concrete. STARK can produce different grain sizes depending on the opening of the jaws.

Splitting plants with automated closed frame machines, customizable in feeding systems and in machine models.

Closed type (H frame) manual machines, characterized by the mechanical adjustment of tools. Suitable for the splitting of large and irregular blocks.

Splitting machine composed of closed (H frame) frame machine equipped with 4 blades, ideal for production of thin material with a high quality split profile.

Always working on the finishing of the edges and the rounded effect of wall stones already split, the PITCHING ONE is the fully automatic version in both handling and processing.

Automatic splitting plant that splits horizontally small cladding tiles or strips sawn on 6 sides. This small machine can be also customizable.

Ideal for secondary crushing, the CRUNCH hammer mill is a horizontal axis machine provided with rotating hammers. It is characterised by the high degree of size reduction obtained in the fragmentation of natural stone, concrete and aggregates of low and medium hardness.

Individual manual machines with open (C frame) frame. The stone can be handled several times with ease thanks to the presence of the workbench.

The Fast Series was created specifically as a line of machines for cutting shapeless stone, as in the case of andesite. These machines are, therefore, the ideal solution also for splitting and defining andesite. The Fast Series ensures reduced transport times and increased productivity.

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