Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition
From English feldspar and -ite
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Arborescent Patterned, Vitreous
Black, Blue, Brown, Green, Orange, Red, Tan, Yellow
Layered, Banded, Veined and Shiny
Decorative Aggregates, Flooring, Interior Decoration
Paving Stone, Garden Decoration
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points
Available in Lots of Colors and Patterns, Clasts are smooth to touch, Splintery, Very fine grained rock
Archaeological Significance
Felsite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Burial Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Glacier Erosion, Water Erosion
Heat Resistant, Impact Resistant
Deposits in Eastern Continents
Afghanistan, Indonesia, Japan, Russia
Greece, Hungary, Iceland, Italy, Turkey
Deposits in Western Continents
Argentina, Chile, Ecuador, Peru
Deposits in Oceania Continent
Information about Felsite
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 Felsite Uses. We have provided you with all information about Felsite rock here. Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Felsite is white. Get to know more about Felsite rock and characteristics of Felsite rock in the next sections.