Gneiss vs Chert 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 Chert characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gneiss and Properties of Chert. Learn more about Gneiss vs Chert in the next section. The interior uses of Gneiss include Countertops, Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Chert include Decorative aggregates and Homes. Due to some exceptional properties of Gneiss and Chert, they have various applications in construction industry. The uses of Gneiss in construction industry include As dimension stone and that of Chert include Arrowheads, Construction aggregate, Cutting tool, Spear points.
More about Gneiss and Chert
Here you can know more about Gneiss and Chert. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gneiss and Chert 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 Chert includes Quartz, Silicon. You can also check out the list of all Metamorphic Rocks. When we have to compare Gneiss vs Chert, 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, Chert is available in black, brown, green, grey, red, white colors. Appearance of Gneiss is Foliated and that of Chert is Glassy or Pearly. Properties of rock is another aspect for Gneiss vs Chert. The hardness of Gneiss is 7 and that of Chert is 6.5-7. The types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss. whereas types of Chert are Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Gneiss and Chert is white. The specific heat capacity of Gneiss is Not Available and that of Chert is 0.74 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 Chert is heat resistant, impact resistant, pressure resistant, wear resistant.