Albi Gris

GEOGRAPHIC LOCALIZATION

PROVINCE	Guipuzcoa
TOWNSHIP	Deba

MACROSCOPIC DESCRIPTION

Medium-fine grain rock, compact, grey reddish colour.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
99% Calcite	Quartz, plagioclase, clay minerals.

MICROSCOPIC DESCRIPTION

Porous rock with fossil remains and pellets in a micritic matrix.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,80 g/cm3
APPARENT POROSITY	0,30%
ABSORPTION COEFFICIENT	0,09%
COMPRESSION STRENGTH	1.002 Kg/cm2
BENDING STRENGTH	189 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	806 Kg/cm2
FRICTIONAL WEAR TEST	2,65 mm
IMPACT TEST	30 cm

Gris Cañailla

GEOGRAPHIC LOCALIZATION

PROVINCE	Almería
TOWNSHIP	Macael

MACROSCOPIC DESCRIPTION

Coarse grain marble, grey colour and darker thick veins.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
94% Calcite	4% Quartz, 1% Muscovite, Clorite, plagioclase, Sericite.

MICROSCOPIC DESCRIPTION

Elongated calcite crystals, following the preferential orientation plane.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,78 g/cm3
APPARENT POROSITY	3,00%
ABSORPTION COEFFICIENT	1,20%
COMPRESSION STRENGTH	847 Kg/cm2
BENDING STRENGTH	303 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	731 Kg/cm2
FRICTIONAL WEAR TEST	2,63 mm
IMPACT TEST	70 cm

Gris Cehegin

GEOGRAPHIC LOCALIZATION

PROVINCE	Murcia
TOWNSHIP	Cehegín

MACROSCOPIC DESCRIPTION

Fine grain limestone, deep grey tone with irregular white veins.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
Calcite.	Clay minerals.

MICROSCOPIC DESCRIPTION

Micritic matrix with some fossils.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,71 g/cm3
APPARENT POROSITY	0,30%
ABSORPTION COEFFICIENT	0,10%
COMPRESSION STRENGTH	947 Kg/cm2
BENDING STRENGTH	61 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	688 Kg/cm2
FRICTIONAL WEAR TEST	3,05 mm
IMPACT TEST	35 cm

Gris Duquesa

GEOGRAPHIC LOCALIZATION

PROVINCE	Guipúzcoa
TOWNSHIP	Deba

MACROSCOPIC DESCRIPTION

Fossiliferous limestone, fine grain and grey-yellow colour.

MINERAL COMPOSITION

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

MICROSCOPIC DESCRIPTION

High percentage of fossils in a micritic matrix. Calcite is filling fossils and veins.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,72 g/cm3
APPARENT POROSITY	0,10%
ABSORPTION COEFFICIENT	0,08%
COMPRESSION STRENGTH	1.178 Kg/cm2
BENDING STRENGTH	133 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	1.050 Kg/cm2
FRICTIONAL WEAR TEST	3,12 mm
IMPACT TEST	60 cm

Gris Macael

GEOGRAPHIC LOCALIZATION

PROVINCE	Almería
TOWNSHIP	Macael

MACROSCOPIC DESCRIPTION

Medium grain marble, grey colour with darker veins.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
92% Calcite	5% Quartz, plagioclase, Muscovite, opaques.

MICROSCOPIC DESCRIPTION

Mosaic of calcite grains with disseminated quartz grains.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,69 g/cm3
APPARENT POROSITY	1,38%
ABSORPTION COEFFICIENT	0,53%
COMPRESSION STRENGTH	813 Kg/cm2
BENDING STRENGTH	172 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	688 Kg/cm2
FRICTIONAL WEAR TEST	2,68 mm
IMPACT TEST	30 cm

Gris Paloma

GEOGRAPHIC LOCALIZATION

PROVINCE	Guipúzcoa
TOWNSHIP	Deba

MACROSCOPIC DESCRIPTION

Breccial-look limestone, fine grain, grey-pink colour and abundant pink coloured fossil remains.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
93% Calcite	3% Dolomite, 3% Quartz, 1% opaques.

MICROSCOPIC DESCRIPTION

Calcite is in matrix and veins. In this case it appears in bigger crystals. Quartz is associated with small particles of phyllosilicates.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,71 g/cm3
APPARENT POROSITY	0,12%
ABSORPTION COEFFICIENT	0,05%
COMPRESSION STRENGTH	830 Kg/cm2
BENDING STRENGTH	87 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	842 Kg/cm2
FRICTIONAL WEAR TEST	3,25 mm
IMPACT TEST	52 cm