Properties of Phonolite and Porphyry

Phonolite

Porphyry

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5.5-66-7

1 7

1.1.2 Grain Size

Fine Grained

1.1.3 Fracture

Conchoidal to Uneven

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Greasy to Dull

Dull

1.1.7 Compressive Strength

150.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Poor

Imperfect

1.1.9 Toughness

Not Available

1.7

1.1.10 Specific Gravity

2.62.5-4

0 8.4

1.1.11 Transparency

Translucent to Opaque

1.1.12 Density

2.6 g/cm³2.5-2.52 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NANA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Phonolite vs Porphyry Properties

Properties of Phonolite and Porphyry play an important role in determining the type of rock. Along with Phonolite vs Porphyry properties, get to know more about Phonolite Definition and Porphyry Definition. For the ease of understanding, the properties of rocks are divided into physical and thermal properties. Rocks have a variety of properties like hardness, color, specific gravity, fracture, cleavage, luster etc. Know all about physical and thermal properties of Phonolite and Porphyry.