Anthracite vs Obsidian

Anthracite vs Obsidian Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Anthracite and Obsidian Reserves. Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Anthracite vs Obsidian information and Anthracite vs Obsidian characteristics in the upcoming sections.

Anthracite vs Obsidian 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. Anthracite vs Obsidian characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anthracite and Properties of Obsidian. Learn more about Anthracite vs Obsidian in the next section. The interior uses of Anthracite include Not yet used whereas the interior uses of Obsidian include Decorative aggregates and Interior decoration. Due to some exceptional properties of Anthracite and Obsidian, they have various applications in construction industry. The uses of Anthracite in construction industry include Cement manufacture, For road aggregate, Making natural cement, Steel production and that of Obsidian include Arrowheads, Cutting tool, Knives, Scrapers, Spear points.

More about Anthracite and Obsidian

Here you can know more about Anthracite and Obsidian. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anthracite and Obsidian consists of mineral content and compound content. The mineral content of Anthracite includes Calcite, Clay, Clay Minerals and mineral content of Obsidian is not available. You can also check out the list of all Metamorphic Rocks. When we have to compare Anthracite vs Obsidian, the texture, color and appearance plays an important role in determining the type of rock. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors whereas, Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors. Appearance of Anthracite is Veined or Pebbled and that of Obsidian is Shiny. Properties of rock is another aspect for Anthracite vs Obsidian. The hardness of Anthracite is 1-1.5 and that of Obsidian is 5-5.5. The types of Anthracite are Semi-anthracite and Meta-anthracite whereas types of Obsidian are Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anthracite is black while that of Obsidian is white. The specific heat capacity of Anthracite is 1.32 kJ/Kg K and that of Obsidian 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.Anthracite is heat resistant, water resistant whereas Obsidian is heat resistant, impact resistant.