Pumice 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. Pumice vs Gneiss characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Pumice and Properties of Gneiss. Learn more about Pumice vs Gneiss in the next section. The interior uses of Pumice include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Gneiss include Countertops, Decorative aggregates, Flooring and Interior decoration. Due to some exceptional properties of Pumice and Gneiss, they have various applications in construction industry. The uses of Pumice in construction industry include As dimension stone, Cement manufacture, For road aggregate, In landscaping and horticulture, Making natural cement, Production of lightweight concrete blocks and that of Gneiss include As dimension stone.
More about Pumice and Gneiss
Here you can know more about Pumice and Gneiss. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Pumice and Gneiss consists of mineral content and compound content. The mineral content of Pumice includes Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica 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 Igneous Rocks. When we have to compare Pumice vs Gneiss, the texture, color and appearance plays an important role in determining the type of rock. Pumice is available in beige, colourless, grey, light green, light grey, pink, white, yellow- grey colors whereas, Gneiss is available in black, brown, pink, red, white colors. Appearance of Pumice is Vesicular and that of Gneiss is Foliated. Properties of rock is another aspect for Pumice vs Gneiss. The hardness of Pumice is 6 and that of Gneiss is 7. The types of Pumice are Scoria 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 Pumice and Gneiss is white, greenish white or grey. The specific heat capacity of Pumice is 0.87 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.Pumice is impact resistant, pressure resistant whereas Gneiss is heat resistant, pressure resistant, scratch resistant, wear resistant.