Properties of Nephelinite and Greywacke

Nephelinite

Greywacke

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.56-7

1 7

1.1.2 Grain Size

Fine Grained

Angular and Fine

1.1.3 Fracture

Flat

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Vitreous to Metallic

Dull

1.1.7 Compressive Strength

35.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Imperfect

Perfect

1.1.9 Toughness

2.7

2.6

1.1.10 Specific Gravity

2.4-2.92.2-2.8

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.5-3 g/cm³2.6-2.61 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.88 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Nephelinite vs Greywacke Properties

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