OUR STONES

PORPHYRY

PURPLE PORPHYRY

purple porphyry

Origin

Italy/Asia

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

propertiesPurple porphyry: squared slabs, curbstones and paving blocks, copings and treads, door sills, window sills and processed, baseboards. Material available exclusively with processed surface. Origin: Italy/asia. Qualità: Hardness and resistance to wear; chromatic homogeneity of the natural surface; 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
6
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
20x40 / 30x60 / 40x80
flamed surface
sawn sides or sheared sides
Note
Processed surface slabs with constant thickness: 2 - 3 cm
Curbstones and Paving blocks
Curbstones and Paving blocks
head 6-8-12 x100 height 25
flamed head
one flamed side
Copings and Treads
Copings and Treads
25/30/35 and split or flamed edges 3 or 4 cm
35x100 height 15
Baseboards
Baseboards
height 15 and flamed surface
Door sills, Window sills and processed
Door sills, Window sills and processed
customized dimensions
recommended surface processing: FLAMING
Material available exclusively with processed surface
Dimensions in cm.

OUR STONES

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