THEUMA
Allgemeine Informationen
| Trading names | THEUMA, THEUMAER FRUCHTSCHIEFER |
| Location where found | Theuma/ Vogtl. |
| Country | Germany |
| State | Saxonia | Coloring | dark grey |
| Structure | layered or directional |
| Availability | Available |
Gestein
| Bezeichnung | Contact schist |
| Alter | Silurian |
| Gesteinsgruppe | Metamorphic rocks |
Technische Eigenschaften
| Polish quality | Only a dull finish can be achieved. |
| Suitable for flooring | Suitable. However, the high abrasion resistance of hard stone is not achieved |
| Acid resistant | The stone is resistant to acid under usual circumstances. |
Technische Daten
| Bulk density | 2,72 t/m³ |
| Pressure resistance | 85-160 MPa |
| Abriebfestigkeit | 40,8 cm³/50cm² |
| Bending strength | 35-47 MPa |
| Water absorption | 0,3-0,5 Gew.-% |
Mineralbestand
| Biotite mica | 12,4 % |
| Cordierite | 20,9 % |
| Ore minerals | 2,0 % |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 10.2.10 |
| INSK Number | 54.2 |
Care information from Möller-Chemie
Stain removal guide:
Recommendations for bonding and filling
Productfinder bonding / filling:
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