Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
From French schiste, Greek skhistos i.e. split
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Black, Blue, Brown, Dark Brown, Green, Grey, Silver
Decorative Aggregates, Floor Tiles, Interior Decoration
Garden Decoration, Paving Stone
As Dimension Stone, Building houses or walls, Cement Manufacture, for Road Aggregate, Roadstone
Used in aquariums, Writing Slates
Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.
Easily splits into thin plates, Smooth to touch
Archaeological Significance
Schist formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.
Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion, Glacier Erosion
Medium to Fine Coarse Grained
Impact Resistant, Pressure Resistant, Water Resistant
Deposits in Eastern Continents
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
Egypt, Ethiopia, Morocco, Nigeria, South Africa
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
Deposits in Western Continents
Canada, Costa Rica, Cuba, Mexico, Panama, USA
Deposits in Oceania Continent
New South Wales, New Zealand, Queensland
Learn more about Properties of Schist
What is Schist? In this section, we will learn more about properties of Schist i.e. physical and thermal properties. Physical properties of Schist include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Schist is 150.00 N/mm2. Streak of Schist is white while its cleavage is slaty. Luster of Schist is shiny and its fracture is conchoidal. Schist is opaque in nature. Know all about Schist, What is Schist, its composition, features, facts and reserves in next sections.
Know about Composition of Schist
What is Schist composed of? Get to know about composition of Schist here. Schist definition gives information about the Formation of Schist and its composition.The composition of Schist can be further divided into mineral and compound content. The mineral content of Schist rock includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc and The compound content of Schist rock includes CaO, Carbon Dioxide, MgO. Almost all rocks undergo transformation process. Know all about Schist rock in next section.