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Comendite
Comendite
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Porphyry
Porphyry
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Porphyry
Properties

Hardness

Grain Size

Fracture

Streak

Porosity

Luster

Compressive Strength

Cleavage

Toughness

Specific Gravity

Transparency

Density

Specific Heat Capacity

Resistance

 
6-7
Medium Grained
Pervasive
Bluish Black
Highly Porous
Dull
92.40 N/mm2
-
2
2.38
Opaque
-9999 g/cm3
0.79 kJ/Kg K
Heat Resistant, Impact Resistant
 
6-7
Fine Grained
Irregular
White
Less Porous
Dull
150.00 N/mm2
-
1.7
2.5-4
Translucent to Opaque
2.5-2.52 g/cm3
0.71 kJ/Kg K
Heat Resistant, Impact Resistant