Properties of Porphyry and Pegmatite

Porphyry

Pegmatite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-77

1 7

1.1.2 Grain Size

Fine Grained

Medium to Coarse Grained

1.1.3 Fracture

Irregular

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Dull

Grainy, Pearly and Vitreous

1.1.7 Compressive Strength

NA178.54 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Perfect

1.1.9 Toughness

1.7

2.1

1.1.10 Specific Gravity

2.5-42.6-2.63

0 8.4

1.1.11 Transparency

Translucent to Opaque

1.1.12 Density

2.5-2.52 g/cm³2.6-2.65 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

Heat Resistant, Impact Resistant, Pressure Resistant

Porphyry vs Pegmatite Properties

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