Other names

Grissal

Chromatic range

Gray

Petrographic examination

Biotite granite

Clasificación petrográfica Le Maitre

Monzogranito (próximo al campo de los sienogranitos)

Carballeda de Avia

Fonte do cubo (Granitos Raña SL)

UNE-EN 1936	Apparent density	2620	kg/m³
UNE-EN 1936	Open porosity	1.2	%
UNE-EN 13755	Water absorption at atmospheric pressure
	Mean value	0.4	%
	Higher Expected Value (EH)	0.4	%
UNE-EN 14157	Abrasion resistance
	Valor medio de la anchura de la huella	17.1	mm
	Higher Expected Value of groove´s width	17.7	mm
UNE-EN 12372	Flexural strength
	Mean value	12.2	MPa
	Low expected value (EL)	10.6	MPa
UNE-EN 12371	Frost resistance, 56 cycles
	Decreased flexural strength	0.2	%
	Valor medio de resistencia a flexión	12.2	MPa

Granite has been tested in the CTG laboratory. The results of these tests are only related to the samples tested.

Blanco Avia