STEIGERWALD QUARTZITE

Bamberger Natursteinwerk Hermann Graser GmbH

Description

Light, fine to medium sandy sandstone from the formation of the Middle Keuper in the Steigerwald/Lower Franconia.

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More Over

Steigerwald quartzite is particularly valued because of its characteristic colour and texture, but above all because of its proven, frost-proof quality and its attractive appearance. The good physical and technical properties, in particular the high abrasion resistance, allow it to be used both in façade construction and as a floor or stair covering. 

The quarry of the Steigerwald quartzite has been mined for centuries. 

The regional Steigerwald quartzite is a particularly sustainable building material.

Technical Information

Mineral composition

Quartz (65%), rock fragments (14%), alkali feldspar (12%), plagioclase (7%) and accessory (2%)

Visual appearance

Light grey to slightly grey-brownish, fine to medium sandy sandstone, with uniform to alternating sandy structure and layered texture. Some with green inclusions.

Petrographic address

Light feldspar-bearing sandstone with rock fragments and siliceous grain binding.

Detail colours

quartz: translucent light grey, feldspar: white-pink, flesh-coloured, accessory: grey-black

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