Piedra de Abaran

GEOGRAPHIC LOCALIZATION

PROVINCE	Murcia
TOWNSHIP	Abarán

MACROSCOPIC DESCRIPTION

Light brown rock with fossil remains.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
Quartz, Calcite.	Opaques, Chert fragments, clay minerals.

MICROSCOPIC DESCRIPTION

Detritic and porous rock with microconglomeratic texture. Fossils with micrite filling. The main components and fragments of rock have rounded forms.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,43 g/cm3
APPARENT POROSITY	1,40%
ABSORPTION COEFFICIENT	2,49%
COMPRESSION STRENGTH	500 Kg/cm2
BENDING STRENGTH	103 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	476 Kg/cm2
FRICTIONAL WEAR TEST	4,20 mm
IMPACT TEST	24 cm

Piedra del Cabezo Gordo

GEOGRAPHIC LOCALIZATION

PROVINCE	Murcia
TOWNSHIP	Torrepacheco

MACROSCOPIC DESCRIPTION

Large grain rock of a light grey colour. Abundant crystals of muscovite are present.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
Calcite 93%	3% Quartz, 3% Muscovite, 1% Dolomite

MICROSCOPIC DESCRIPTION

Rock mainly formed by calcite. Strong orientation of the calcite and muscovite crystals and incipient dolomitation.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,71 g/cm3
APPARENT POROSITY	0,10%
ABSORPTION COEFFICIENT	0,15%
COMPRESSION STRENGTH	525 Kg/cm2
BENDING STRENGTH	222 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	560 Kg/cm2
FRICTIONAL WEAR TEST	3,23 mm
IMPACT TEST	32 cm