Properties of Tephrite and Rapakivi Granite

Tephrite

Rapakivi Granite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6.56-7

1 7

1.1.2 Grain Size

Medium to Fine Coarse Grained

Large and Coarse Grained

1.1.3 Fracture

Uneven

Not Available

1.1.4 Streak

Bluish Black

White

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Subvitreous to Dull

Dull to Grainy with Sporadic parts Pearly and Vitreous

1.1.7 Compressive Strength

90.00 N/mm²175.00 N/mm²

0.15 450

1.1.8 Cleavage

Crenulation and Pervasive

Not Available

1.1.9 Toughness

2.4

Not Available

1.1.10 Specific Gravity

2.862.6-2.7

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.8-2.9 g/cm³2.6-2.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.79 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Wear Resistant

Tephrite vs Rapakivi Granite Properties

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