Properties of Pegmatite and Porphyry

Pegmatite

Porphyry

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

76-7

1 7

1.1.2 Grain Size

Medium to 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

Grainy, Pearly and Vitreous

Dull

1.1.7 Compressive Strength

178.54 N/mm²NA

0.15 450

1.1.8 Cleavage

Perfect

Imperfect

1.1.9 Toughness

2.1

1.7

1.1.10 Specific Gravity

2.6-2.632.5-4

0 8.4

1.1.11 Transparency

Translucent to Opaque

1.1.12 Density

2.6-2.65 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, Pressure Resistant

Heat Resistant, Impact Resistant

Pegmatite vs Porphyry Properties

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