THEUMA

THEUMA - Naturstein

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Contact schist

Phengite gneiss
metamorphic rocks

Basic properties

Coloring:
Dark grey,
Location where found:
Theuma/ Vogtl.
Germany
Trading name:
THEUMA, THEUMAER FRUCHTSCHIEFER
Availability:
Available.

Technical properties

Polish quality:
Only a dull finish can be achieved.
Polish durability:
unknown
Suitable for flooring:
Geeignet. Die hohe Abriebfestigkeit von Hartgesteinen wird jedoch nicht erreicht.
Acid resistant:
The stone is resistant to acid under usual circumstances.
Frost resistant:
unknown

Specifications

Bulk density:
2,72 t/m³
Pressure resistance:
85-160 MPa
Bending strength:
35-47 MPa
Water absorption:
0,3-0,5 Gew.-%
Frost resistant:
unknown

Mineralogical composition

Biotite mica:
12,4%
Cordierite:
20,9%
Ore minerals:
2,0%

Further information

INSK Nummer:
54.2
INSK Nummer alt:
10.2.10

Suppliers

ARGE Natursteinwerke Gonsior GmbH & Co.KG
* no responsibility is taken for the correctness of this information