OUR STONES

PORPHYRY

MIXED PORPHYRY

mixed porphyry

Origin

Italy

Petrological family

Acid and inequigranular magmatic effusive rock - Rhyolitic ignimbrite

Mineralogical Composition

quartz (70-75%), feldspars (sanidine, plagioclase), biotite, pyroxenes and femic minerals

Collection

Abitare Pavimenti

Selection

APTITUDES

propertiesMixed porphyry: squared slabs, irregular slabs, cubes, natural pebbles, curbstones and paving blocks, copings and treads. Products with special dimensions available upon request. Material available in both natural surface and processed. Origin: Italy. Qualità: Hardness and resistance to wear; good aging while preserving the original appearance; suitable for harsh climates and strong temperature changes; suitable for use in swimming pools, spas, maritime shores; resistance to strong acids, oils and stains.
Hardness and resistance to wear
Hardness and resistance to wear
6
Chromatic homogeneity of the natural surface
Chromatic homogeneity of the natural surface
3
Good aging while preserving the original appearance
Good aging while preserving the original appearance
7
Suitable for harsh climates and strong temperature changes
Suitable for harsh climates and strong temperature changes
6
Suitable for use in swimming pools, spas, maritime shores
Suitable for use in swimming pools, spas, maritime shores
6
Resistance to strong acids, oils and stains
Resistance to strong acids, oils and stains
7

Score
[ from 1 to 2: Poor] [ from 3 to 5: Good ] [ from 6 to 7: High ]

PHYSICAL/MECHANICAL PROPERTIES

1

DENSITY

DENSITY

reference standard: UNI EN 1936

Apparent density

average value: 2568 Kg/m3

7

RESISTANCE TO IMBIBITION

RESISTANCE TO IMBIBITION

reference standard: UNI EN 13755

Water absorption at atmospheric pressure

average value: 0.12 % var. grams


6

RESISTANCE TO FROST

RESISTANCE TO FROST

reference standard: UNI EN 12371

Compressive strength after freezing cycles

average value: 0.12 mPa

Flexural strength after freezing cycles

average value: 21.80 mPa
Note: The compressive strength increases after freeze and thaw cycles.

5

COMPRESSIVE STRENGTH

COMPRESSIVE STRENGTH

reference standard: UNI EN 1926

Uniaxial compressive strength

average value: 185.00 mPa


4

flexural strength

flexural strength

reference standard: UNI EN 12372

Flexural strength under concentrated load

average value: 22.80 mPa

6

RESISTANCE TO WEAR

RESISTANCE TO WEAR

Abrasion wear

reference standard: UNI EN 14157 / 1341
average value: 2.04 mm

Scores
[ from 1 to 2: Poor] [ from 3 to 5: Good ] [ from 6 to 7: High ] [7+: Exceptional]

AVAILABLE PRODUCTS

Squared slabs
Squared slabs
10/15/20/25/30/40 x end-to-end
natural surface
sheared sides
15/20/25/30/35/40 x end-to-end
natural surface
sawn sides
Note
Slabs with natural surface with nornal thickness: from 3 to 5 cm / thin: from 1 to 3 cm / large: from 5 to 8 cm
Irregular slabs
Irregular slabs
normal (average diagonal 30 cm)
natural surface
split sides
big (average diagonal 60 cm)
natural surface
split sides
Note
Slabs with natural surface with nornal thickness: from 3 to 5 cm / thin: from 1 to 3 cm / large: from 5 to 8 cm
Cubes
Cubes
4/6 - 6/8 - 8/10 - 10/12
natural surface
sheared sides
10/10
natural surface
sheared sides
Natural pebbles
Natural pebbles
3/5 - 4/6 - 6/8 - 8/10 - 10/12 - 12/15 - 15/30 - 30+
Ciottolo tondeggiante
Curbstones and Paving blocks
Curbstones and Paving blocks
head 10 spessore 5/8 - 8/11
head with natural surface
sheared sides
head 12 spessore 10/15
head with natural surface
sheared sides
head 5-6-8-10-12 height 22/25
split or bush-hammered head
sides with natural surface
Copings and Treads
Copings and Treads
from 20 to 40 and split or processed edges from 3 to 6 cm
Products with special dimensions available upon request
Material available in both natural surface and processed
Dimensions in cm.

OUR STONES

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