Imperial

GEOGRAPHIC LOCALIZATION

PROVINCE	Sevilla
TOWNSHIP	Estepa

MACROSCOPIC DESCRIPTION

Breccial-type limestone with irregular yellowish-brown-grey colour.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
Calcite.	Clay minerals, opaques.

MICROSCOPIC DESCRIPTION

Regular grain calcite mosaic with many voids.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,81 g/cm3
APPARENT POROSITY	0,62%
ABSORPTION COEFFICIENT	0,22%
COMPRESSION STRENGTH	1.069 Kg/cm2
BENDING STRENGTH	92 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	1.050 Kg/cm2
FRICTIONAL WEAR TEST	2,70 mm
IMPACT TEST	30 cm

Imperial Ulldecona

GEOGRAPHIC LOCALIZATION

PROVINCE	Tarragona
TOWNSHIP	Ulldecona

MACROSCOPIC DESCRIPTION

Limestone with some recrystalitation, dark cream colour with some fossil remains.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
Dolomite, Calcite.	-

MICROSCOPIC DESCRIPTION

Higher percentage of calcite than dolomite. Sparitic matrix. The calcite sometimes is gathered in policrystaline aggregates.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,68 g/cm3
APPARENT POROSITY	0,60%
ABSORPTION COEFFICIENT	0,60%
COMPRESSION STRENGTH	985 Kg/cm2
BENDING STRENGTH	282 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	940 Kg/cm2
FRICTIONAL WEAR TEST	2,80 mm
IMPACT TEST	40 cm

Marron Imperial

GEOGRAPHIC LOCALIZATION

PROVINCE	Sevilla
TOWNSHIP	Estepa

MACROSCOPIC DESCRIPTION

Breccial dolomitic limestone with brown colour. Irregular calcite veins.

MINERAL COMPOSITION

ESSENTIAL MINERALS	ACCESORY MINERALS
Dolomite, Calcite.	Clay minerals.

MICROSCOPIC DESCRIPTION

Medium grain sparitic dolomite matrix. Voids filles with radiated fibrous crystalls.

PHYSICO-MECHANICAL PROPERTIES

BULK SPECIFIC GRAVITY	2,77 g/cm3
APPARENT POROSITY	0,60%
ABSORPTION COEFFICIENT	0,28%
COMPRESSION STRENGTH	781 Kg/cm2
BENDING STRENGTH	44 Kg/cm2
C. STRENGTH AFTER FREEZING TEST	683 Kg/cm2
FRICTIONAL WEAR TEST	4,10 mm
IMPACT TEST	41,25 cm