Properties of Variolite and Porphyry

Variolite

Porphyry

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

66-7

1 7

1.1.2 Grain Size

Not Applicable

Fine Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

White to Grey

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Not Available

Dull

1.1.7 Compressive Strength

37.50 N/mm²NA

0.15 450

1.1.8 Cleavage

Not Available

Imperfect

1.1.9 Toughness

2.3

1.7

1.1.10 Specific Gravity

2.8-32.5-4

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.9-3.1 g/cm³2.5-2.52 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.84 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Variolite vs Porphyry Properties

Properties of Variolite and Porphyry play an important role in determining the type of rock. Along with Variolite vs Porphyry properties, get to know more about Variolite 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 Variolite and Porphyry.