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 0
From English feldspar and -ite 0
Durable Rock, Medium Hardness Rock 0
Fine Grained Rock, Opaque Rock 0
Arborescent Patterned, Vitreous 0
Black, Blue, Brown, Green, Orange, Red, Tan, Yellow 0
Layered, Banded, Veined and Shiny 0
Decorative Aggregates, Flooring, Interior Decoration 0
Paving Stone, Garden Decoration 0
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points 0
Available in Lots of Colors and Patterns, Clasts are smooth to touch, Splintery, Very fine grained rock 0
Archaeological Significance
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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. 0
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide 0
Burial Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism 0
Biological Weathering, Chemical Weathering, Mechanical Weathering 0
Chemical Erosion, Glacier Erosion, Water Erosion 0
Heat Resistant, Impact Resistant 0
Deposits in Eastern Continents
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Afghanistan, Indonesia, Japan, Russia 0
Greece, Hungary, Iceland, Italy, Turkey 0
Deposits in Western Continents
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Argentina, Chile, Ecuador, Peru 0
Deposits in Oceania Continent
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Learn more about Properties of Felsite
What is Felsite? In this section, we will learn more about properties of Felsite i.e. physical and thermal properties. Physical properties of Felsite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Felsite is 0.15 N/mm2. Streak of Felsite is white while its cleavage is non-existent. Luster of Felsite is vitreous and its fracture is conchoidal. Felsite is translucent in nature. Know all about Felsite, What is Felsite, its composition, features, facts and reserves in next sections.
Know about Composition of Felsite
What is Felsite composed of? Get to know about composition of Felsite here. Felsite definition gives information about the Formation of Felsite and its composition.The composition of Felsite can be further divided into mineral and compound content. The mineral content of Felsite rock includes Feldspar, Iron Oxides and The compound content of Felsite rock includes Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide. Almost all rocks undergo transformation process. Know all about Felsite rock in next section.