FAVACO
Allgemeine Informationen
| Trading names | FAVACO, CINZENTO FAVACO, PRETO CM, NEGRO TULIPA |
| Location where found | Sao Vicente e Ventosa / Elvas |
| Country | Portugal | Coloring | dark grey |
| Grain size | Fine grained |
| Structure | Largely without direction |
| Availability | Is being mined, but is used very seldom. |
Gestein
| Bezeichnung | Diorite |
| Alter | 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 | 2,851 t/m³ |
| Pressure resistance | 126,2 MPa |
| Druckfestigkeit Frost | 96,4 MPa |
| Abrasion resistance according to Italian standard | 0,5 |
| Bending strength | 21,4 MPa |
| Water absorption | 0,21 Gew.-% |
| Porosity | 0,6 Vol.-% |
| Thermische Dehnung | 0,67 mm/m/100K |
Mineralbestand
| Quarz | 8 % |
| Plagioclase | 56 % |
| Amphibole | 19 % |
| Biotite mica | 14 % |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 4.3.31 |
| INSK Number | 21.5 |
Care information from Möller-Chemie
Stain removal guide:
Recommendations for bonding and filling
Productfinder bonding / filling:
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