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Tachylite
Tachylite

Picrite
Picrite



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Tachylite
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Picrite

Properties of Tachylite and Picrite

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Properties

Physical Properties

Hardness

5.56.8
1 7
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Grain Size

Medium to Fine Coarse Grained
Fine Grained

Fracture

Conchoidal
Uneven

Streak

Vermilion
White, Greenish White or Grey

Porosity

Less Porous
Less Porous

Luster

Resinous
Subvitreous to Dull

Compressive Strength

206.00 N/mm2189.00 N/mm2
0.15 450
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Cleavage

-
-

Toughness

-
2.1

Specific Gravity

2.42.75-2.92
0 8.4
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Transparency

Opaque
Opaque

Density

3.058 g/cm31.5-2.5 g/cm3
0 1400
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Thermal Properties

Specific Heat Capacity

0.56 kJ/Kg K0.88 kJ/Kg K
0.14 3.2
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Resistance

Heat Resistant, Impact Resistant, Wear Resistant
Heat Resistant

Tachylite vs Picrite Properties

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