BLUE ANTIQUE® #7
Blue Antique® is slightly different to our other granite stones, with its unique warm brown colour, and blue and turquoise crystals. Blue Antique® can be cut in any direction, as crystals and colouring are strong and evenly spread, meaning that first choice materials can be sourced from second and third choice blocks.
BLUE ANTIQUE® #7 Quarry
The development of our Blue Antique® quarry in Egersund continues and a large new area has been acquired, securing future supplies. The quarry has been widened and we are producing on several levels. Due to the characteristics of the deposit, we have a substantial production of large blocks in second and third choice.
Name: Hellvik
Location: Egersund, Norway
Projects using
Blue Antique®
Technical Data
Petrographic information:
Magmatic plutonic rock, anorthosite
Key minerals:
Plagioclase
Accessory minerals:
Pyroxene, amphibole, biotite, quartz
Geological age:
Precambrian (1.3 billion years)
Chemical analysis:
SiO2 (54,64), TiO2 (0,12%), Al2O3 (26,89%), Fe2O3 (0,65%), FeO (0,58%), MnO (0,01%), MgO (1,03%), CaO (10,8%), Na2O (5,19%), K2O (0,34%), P2O5 (0,07%), H2O (0,05%), H2O+ (0,3%)
Properties
Flexural strength:
15,7 ± 0,8 N/mm²
Resistanceto wear(capon):
13,5 ± 0,4 mm
Frost resistance:
Resistant
Hardness (MOHS):
6 – 6,5
Apparent density:
2695 ± 5,4 kg/m³
Porosity:
0,28 ± 0,05 volume %
Water absorbtion:
0,10 mass %
Compressive strenght:
203 ± 24,6 N/mm²
Uses
- Cladding
- Kitchen tops
- Ornamentals
- Exterior flooring and paving
- Terraces
- Sills
- Tops for bathroom
- Internal windowsills
- Floors
- Wall decorations
- Gravestones
