Request stone sample Description of natural stone

Kösseine Granit

blue-grey granite

polished

“Kösseine Granit” is particularly prized for its use in natural stonework thanks to its unique blue colour, porphyritic texture and proven quality. Numerous historical buildings bear witness to this. The good physical and technical properties of this stone allow almost unlimited interior and exterior applications. Its tested and certified frost-salt resistance is another major asset.

The Pfalzbrunnen quarry has been in operation for several centuries now. “Kösseine Granit” is the only blue granite currently quarried in Europe.

Regional “Kösseine Granit” is a highly sustainable building material.

SURFACE FINISHES

honed C120

honed C320

polished

satin finished

bush-hammered

shot-blasted

machine split

Lines split 7 mm

Lines split 30 mm

Specifications

Further trading names

Kösseine Granit, Kösseine blau, Kösseine royalblau

Petrographic classification

Granite

Description

Blue to blue-grey, coarse-grained biotite muscovite granite from the Upper Carboniferous formation in the “Fichtelgebirge”.

Mineralogical composition

Quartz (ca. 31%), cordient (ca. 2%), biotit (ca. 9%), alkalifeldspar (ca. 37%), plagioclase (ca. 16%), muskovite (ca. 3%), accessory minerals (ca. 2%)

Structure

Coarse-grained, blue to blue-grey granite with large, blue alkali feldspars and a randomly oriented, well-graded texture.

Petrographic identification:

Coarse-grained, blue to grey-blue granite.

Grain colours

Biotite:	black
Alkali feldspar:	blueish due to cordierite inclusions
Plagioclase feldspar:	white
Quartz:	light-grey

Additional information

Request stone sample
Description of natural stone

Proof and confirmation of suitability by EC declaration of conformity, as well as CE marking available. We will be happy to provide you project related with references, test reports and further information.

The displayed stone samples illustrate the kind of material extracted from the quarry in question. As a natural material, stone is subject to variations in colour, texture and grain structure. It can also have natural inclusions, markings or veining. A typical stone patina may develop due to material-related or environmental influences.