Hornfels vs Porphyry Characteristics
Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Hornfels vs Porphyry characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Hornfels and Properties of Porphyry. Learn more about Hornfels vs Porphyry in the next section. The interior uses of Hornfels include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Porphyry include Decorative aggregates and Interior decoration. Due to some exceptional properties of Hornfels and Porphyry, they have various applications in construction industry. The uses of Hornfels in construction industry include For road aggregate, Roadstone and that of Porphyry include Construction aggregate.
More about Hornfels and Porphyry
Here you can know more about Hornfels and Porphyry. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Hornfels and Porphyry consists of mineral content and compound content. The mineral content of Hornfels includes Andalusite and mineral content of Porphyry includes Biotite, Chert, Feldspar, Garnet, Graphite, Quartz, Silica. You can also check out the list of all Metamorphic Rocks. When we have to compare Hornfels vs Porphyry, the texture, color and appearance plays an important role in determining the type of rock. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas, Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors. Appearance of Hornfels is Dull and that of Porphyry is Dull. Properties of rock is another aspect for Hornfels vs Porphyry. The hardness of Hornfels is 2-3 and that of Porphyry is 6-7. The types of Hornfels are Biotite hornfels whereas types of Porphyry are Rhomb Porphyry. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Hornfels is unknown while that of Porphyry is white. The specific heat capacity of Hornfels is 0.84 kJ/Kg K and that of Porphyry is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Hornfels is heat resistant, impact resistant, pressure resistant whereas Porphyry is heat resistant, impact resistant.