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2025-09-21 00:32:20
Home Stone LibraryGranite Black Granite Spain Black Granite

Negro Grapesa

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About
Material Type: Granite
Origin:SpainSpain (Ruanes, Cáceres)
Priamry Color(s): Black
Recommended Usage:Exterior - Interior wall and floor applications, monuments, countertops, mosaic, fountains, pool and wall coping
Additional Names:Grapesa Black Granite,Granito Negro Grapesa,Negro Grapesa Granite,Nero Grapesa
Finished Surface:Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Testing
Water Absorption:0.2 %
Density:2770 Kg/m³
Flexural Strength:18.1 MPa
Compressive Strength:209.0 MPa
Description

Granite of thin grain extracted in the batolith of Central Extremadura. Good mining. All kinds of uses.
General Caracteristics:
- Origin: Ruanes 
- Province: Cáceres
- Colour: Black
Petrographic description: Biotite quartz diorite
Grain size:Thin
Resistance to the graze (mm): 18
Resistance to the concentrated load deflection (MPa): 18,1
Elastic Module ( MPa): 23543
Microhardness knoop ( Mpa): 4285
Resistance to shock (cm): 55
Resistance to ice ( % variation flexion after cycles ): 3
Resistance to the crystallization of salts (Mass variation): 0,07
Break charge (N): 2250

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