BLACK COSMIC
Allgemeine Informationen
| Trading names | BLACK COSMIC, COSMIC BLACK |
| Location where found | Nordeste |
| Country | Brazil | Coloring | black, white, light grey |
| Grain size | Fine to medium grained |
| Structure | layered or directional |
| Availability | Available |
Gestein
| Bezeichnung | Gneiss |
| 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 | 2,99 t/m³ |
| Pressure resistance | 144 MPa |
| Bending strength | 9,8 MPa |
| Water absorption | 0,2 Gew.-% |
Mineralbestand
| Cordierite | 30-35 % |
| Plagioclase | 20-25 % |
| Quarz | 15-20 % |
| Biotite mica | 15-20 % |
| Garnet | 3-5 % |
| Chlorite | 2-3 % |
| Apatite | 1-2 % |
| Ore minerals | 1-2 % |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 10.3.51 |
| INSK Number | 49.13 |
Care information from Möller-Chemie
Stain removal guide:
Recommendations for bonding and filling
Productfinder bonding / filling:
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