Coal vs Gneiss 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. Coal vs Gneiss characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Coal and Properties of Gneiss. Learn more about Coal vs Gneiss in the next section. The interior uses of Coal include Not yet used whereas the interior uses of Gneiss include Countertops, Decorative aggregates, Flooring and Interior decoration. Due to some exceptional properties of Coal and Gneiss, they have various applications in construction industry. The uses of Coal in construction industry include Cement manufacture, For road aggregate, Making natural cement, Steel production and that of Gneiss include As dimension stone.
More about Coal and Gneiss
Here you can know more about Coal and Gneiss. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Coal and Gneiss consists of mineral content and compound content. The mineral content of Coal includes Analcime, Apatite, Barite, Calcite, Chalcopyrite, Chlorite, Chromite, Clausthalite, Clay Minerals, Crandallite Group, Dolomite, Feldspar, Galena, Gypsum, Marcasite, Muscovite or Illite, Pyrite, Quartz, Siderite, Sphalerite, Zircon and mineral content of Gneiss includes Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon. You can also check out the list of all Sedimentary Rocks. When we have to compare Coal vs Gneiss, the texture, color and appearance plays an important role in determining the type of rock. Coal is available in black, brown, dark brown, grey, light to dark grey colors whereas, Gneiss is available in black, brown, pink, red, white colors. Appearance of Coal is Veined or Pebbled and that of Gneiss is Foliated. Properties of rock is another aspect for Coal vs Gneiss. The hardness of Coal is 1-1.5 and that of Gneiss is 7. The types of Coal are Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite whereas types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Coal is black while that of Gneiss is white. The specific heat capacity of Coal is 1.32 kJ/Kg K and that of Gneiss is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Coal is heat resistant whereas Gneiss is heat resistant, pressure resistant, scratch resistant, wear resistant.