RAUTAVAARA BLUE STAR
Allgemeine Informationen
| Trading names | RAUTAVAARA BLUE STAR, BLUE STAR |
| Location where found | Kulvemäki / Rautavaara |
| Country | Finland | Coloring | reddish brown, black |
| Grain size | Coarse grained |
| Structure | layered or directional |
| Availability | Available |
Gestein
| Bezeichnung | Metamorphous rock |
| Alter | Precambrian |
| Gesteinsgruppe | Metamorphic rocks |
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 | 2,91 t/m³ |
| Pressure resistance | 217 MPa |
| Bending strength | 20,3 MPa |
| Water absorption | 0,07 Gew.-% |
Mineralbestand
| Quarz | 36,5 % |
| Amphibole | 37,8 % |
| Garnet | 1,2 % |
| Cordierite | 17,0 % |
| Chlorite | 5,1 % |
| Biotite mica | 0,2 % |
| Ore minerals | 2,2 % |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 10.6.34 |
| INSK Number | 52.12 |
Care information from Möller-Chemie
Stain removal guide:
Recommendations for bonding and filling
Productfinder bonding / filling:
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