Properties of Greywacke and Rapakivi Granite

Greywacke

Rapakivi Granite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-76-7

1 7

1.1.2 Grain Size

Angular and Fine

Large and Coarse Grained

1.1.3 Fracture

Conchoidal

Not Available

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Dull

Dull to Grainy with Sporadic parts Pearly and Vitreous

1.1.7 Compressive Strength

NA175.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Not Available

1.1.9 Toughness

2.6

Not Available

1.1.10 Specific Gravity

2.2-2.82.6-2.7

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.6-2.61 g/cm³2.6-2.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.79 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Wear Resistant

Greywacke vs Rapakivi Granite Properties

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