GEFREES
Allgemeine Informationen
| Trading names | GEFREES, REUTH |
| Location where found | Gefrees |
| Country | Germany |
| State | Bavaria |
| Region | Fichtelgebirge | Coloring | light grey |
| Grain size | Medium grained |
| Structure | Largely without direction |
| Availability | Available |
Gestein
| Bezeichnung | Granite |
| Alter | Upper Carboniferous |
| Gesteinsgruppe | Abyssal rock |
Technische Eigenschaften
| Polish quality | Polish possible. |
| Polish durability | The polish is durable for exterior use. |
| Suitable for flooring | Suitable |
| Acid resistant | The stone is resistant to acid under usual circumstances. |
| Frost resistant | frost resistant |
Technische Daten
| Bulk density | 2,66 t/m³ |
| Reindichte | 2,69 t/m³ |
| Pressure resistance | 254 MPa |
| Water absorption | 0,40 Gew.-% |
| Porosity | 1,17 Vol.-% |
Mineralbestand
| Quarz | 30 % |
| Orthoclase (alkali feldspar) | 30 % |
| Plagioclase | 25 % |
| Biotite mica | 11 % |
| Muscovite mica | 2 % |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 3.1.11 |
| INSK Number | 11.36 |
Recommendations for bonding and filling
Productfinder bonding / filling:
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