Properties of Dacite and Porphyry

Dacite

Porphyry

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

2-2.256-7

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Fine Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Subvitreous to Dull

Dull

1.1.7 Compressive Strength

NANA

0.15 450

1.1.8 Cleavage

Perfect

Imperfect

1.1.9 Toughness

Not Available

1.7

1.1.10 Specific Gravity

2.86-2.872.5-4

0 8.4

1.1.11 Transparency

Translucent

Translucent to Opaque

1.1.12 Density

2.77-2.771 g/cm³2.5-2.52 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Dacite vs Porphyry Properties

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