Rhyolite is a fine-grained igneous rock which is rich in silica
From German Rhyolit, from Greek rhuax lava stream + lithos stone
Coarse Grained Rock, Opaque Rock
Aphanitic, Glassy, Porphyritic
Decorative Aggregates, Homes, Hotels, Interior Decoration, Kitchens
As Building Stone, As Facing Stone, Paving Stone, Office Buildings
Arrowheads, As Dimension Stone, Building houses or walls, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives
Gemstone, Laboratory bench tops, Jewelry
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.
Acidic in nature, Available in lots of colors
Archaeological Significance
Rhyolite is a felsic extrusive rock and due to its high silica content, rhyolite lava is very viscous and is volcanic equivalent of granite.
Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide, Sodium
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Sea Erosion, Water Erosion, Wind Erosion
Heat Resistant, Wear Resistant
Deposits in Eastern Continents
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Germany, Iceland, Ireland, Italy, Spain
Deposits in Western Continents
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Deposits in Oceania Continent
New Zealand, Queensland, Western Australia
Information about Rhyolite
Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Rhyolite Uses. We have provided you with all information about Rhyolite rock here. Rhyolite is a fine-grained igneous rock which is rich in silica. Rhyolite is available in grey, white, light black colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Rhyolite is . Get to know more about Rhyolite rock and characteristics of Rhyolite rock in the next sections.