Obsidian vs Marl 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. Obsidian vs Marl characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Obsidian and Properties of Marl. Learn more about Obsidian vs Marl in the next section. The interior uses of Obsidian include Decorative aggregates and Interior decoration whereas the interior uses of Marl include Decorative aggregates and Floor tiles. Due to some exceptional properties of Obsidian and Marl, they have various applications in construction industry. The uses of Obsidian in construction industry include Arrowheads, Cutting tool, Knives, Scrapers, Spear points and that of Marl include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar.
More about Obsidian and Marl
Here you can know more about Obsidian and Marl. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Obsidian and Marl consists of mineral content and compound content. The mineral content of Obsidian is not available and mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Obsidian vs Marl, the texture, color and appearance plays an important role in determining the type of rock. Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors whereas, Marl is available in beige, brown, green, grey, white colors. Appearance of Obsidian is Shiny and that of Marl is Rough and Dull. Properties of rock is another aspect for Obsidian vs Marl. The hardness of Obsidian is 5-5.5 and that of Marl is 2-3. The types of Obsidian are Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian whereas types of Marl are Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Obsidian and Marl is white. The specific heat capacity of Obsidian is 0.92 kJ/Kg K and that of Marl is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Obsidian is heat resistant, impact resistant whereas Marl is heat resistant, impact resistant.