Gneiss vs Dacite 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. Gneiss vs Dacite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gneiss and Properties of Dacite. Learn more about Gneiss vs Dacite in the next section. The interior uses of Gneiss include Countertops, Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Dacite include Decorative aggregates, Entryways and Interior decoration. Due to some exceptional properties of Gneiss and Dacite, they have various applications in construction industry. The uses of Gneiss in construction industry include As dimension stone and that of Dacite include As dimension stone, Construction aggregate, For road aggregate, Landscaping.
More about Gneiss and Dacite
Here you can know more about Gneiss and Dacite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gneiss and Dacite consists of mineral content and compound content. The mineral content of Gneiss includes Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon and mineral content of Dacite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon. You can also check out the list of all Metamorphic Rocks. When we have to compare Gneiss vs Dacite, the texture, color and appearance plays an important role in determining the type of rock. Gneiss is available in black, brown, pink, red, white colors whereas, Dacite is available in bluish - grey, brown, grey, light to dark grey colors. Appearance of Gneiss is Foliated and that of Dacite is Vesicular. Properties of rock is another aspect for Gneiss vs Dacite. The hardness of Gneiss is 7 and that of Dacite is 2-2.25. The types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss. whereas types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Gneiss and Dacite is white. The specific heat capacity of Gneiss is Not Available and that of Dacite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Gneiss is heat resistant, pressure resistant, scratch resistant, wear resistant whereas Dacite is heat resistant, impact resistant, pressure resistant, wear resistant.