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Blue Pearl, the most famous of the Larvik stones, is characterised by its large blue, pearly crystals, set in a luxurious deep blue stone. Blue Pearl, quarry no. 9 is a type of blue pearl sourced from the Monzonite quarry. With the deep blue-grey colour, it is very similar to our Blue Pearl LG. We have 3 colours:  HQ Plus,  HQ and Classic.

BLUE PEARL #9 quarry

Blue Pearl , quarry no. 9 originates from the Monzonite quarry which has been in operation for several years. The Monzonite quarry produces the products Blue Pearl DB HQ and Blue Pearl DB. The Blue Pearl DB quarry has a solid formation and most of the production is blocks of medium to large sizes.

Name: Monzonite, Tvedalen
Location: Larvik, Norway

Technical Data


Petrographic information:
Magmatic rock, syenite
(larvikite according to origin)

Key minerals:
Anorthoclase (80-85%)

Accessory minerals:
Biotite, pyroxene, amphibole

Geological age:
Permian (250 Ma)

Chemical analysis:



Flexural strength:
14,3 ± 2,5 N/mm²

Resistance to wear (capon):
12,5 ± 0,5 mm

Frost resistance:

Hardness (MOHS):
6 - 6.5

Apparent density:
2711 ± 20 kg/m³

0,18 ± 0,06 volume %

Water absorption:
0,07 ± 0,02 mass %

Compressive strenght:
200 ± 29 N/mm²



  • Cladding
  • Kitchen tops
  • Ornamentals
  • Exterior flooring and paving
  • Terraces
  • Sills
  • Tops for bathroom
  • Internal windowsills
  • Floors
  • Wall decorations
  • Gravestones