Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism 0
From Old French esclate, from esclat (French éclat) 0
Durable Rock, Medium Hardness Rock 0
Fine Grained Rock, Opaque Rock 0
Black, Brown, Buff, Green, Light to Dark Grey, Purple, Red, Shades of Blue 0
Bathrooms, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads 0
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone 0
Artifacts, Monuments, Sculpture, Small Figurines 0
Blackboards, Commemorative Tablets, Laboratory bench tops, Standard material for the bed of Billiard table, Standard material for the beds of Pool and Snooker table, Tombstones, Used in aquariums, Writing Slates 0
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock 0
Archaeological Significance
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Slate is a low grade metamorphic rock that is generally formed by metamorphosis of mudstone or shale, under relatively low pressure and temperature conditions. 0
Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon 0
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide 0
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism 0
Biological Weathering, Chemical Weathering, Mechanical Weathering 0
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion 0
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant 0
Deposits in Eastern Continents
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Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom 0
Deposits in Western Continents
0
Deposits in Oceania Continent
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Learn more about Properties of Slate
What is Slate? In this section, we will learn more about properties of Slate i.e. physical and thermal properties. Physical properties of Slate include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Slate is 30.00 N/mm2. Streak of Slate is light to dark brown while its cleavage is slaty. Luster of Slate is dull and its fracture is splintery. Slate is opaque in nature. Know all about Slate, What is Slate, its composition, features, facts and reserves in next sections.
Know about Composition of Slate
What is Slate composed of? Get to know about composition of Slate here. Slate definition gives information about the Formation of Slate and its composition.The composition of Slate can be further divided into mineral and compound content. The mineral content of Slate rock includes Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon and The compound content of Slate rock includes Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide. Almost all rocks undergo transformation process. Know all about Slate rock in next section.