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The red Neckar Valley hard sandstone is particularly valued for design with natural stone due to its characteristic colour, texture and appearance, but above all because of its proven, frost-proof quality.
Numerous historical objects bear witness to this. The Neckar Valley hard sandstone is used both regionally and nationally. Its good physical and technical properties allow it to be used both indoors and outdoors. Tested and confirmed weather resistance is also an important feature here.
The quarries of the red Neckar Valley hard sandstone have been mined for over 1000 years.
The regional Neckar Valley hard sandstone is a particularly sustainable building material.
Technical Information
Mineral composition
Quartz (55%), rock fragments (22%), alkali feldspar (22%) and accessory (1%)
Visual appearance
Red, brown dotted, partly white-flamed, fine to medium sandy sandstone, fine-pored, with a structure of the same sand and parallel and oblique layering. Partly with dark red inclusions.
Petrographic address
Red, partly white-flamed, feldspar-bearing sandstone with rock fragments and ferritic-siliceous grain binding
Detail colours
quartz: light red to light grey, feldspar: pink, flesh-coloured, accessory: grey-black
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