Definition
Origin
Discoverer
Etymology
Class
Sub-Class
Group
Other Categories
Texture
Color
Maintenance
Durability
Water Resistant
Scratch Resistant
Stain Resistant
Wind Resistant
Acid Resistant
Appearance
Interior Uses
Exterior Uses
Other Architectural Uses
Construction Industry
Medical Industry
Antiquity Uses
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Types
Features
Monuments
Famous Monuments
Sculpture
Famous Sculptures
Pictographs
Petroglyphs
Figurines
Fossils
Formation
Mineral Content
Compound Content
Metamorphism
Types of Metamorphism
Weathering
Types of Weathering
Erosion
Types of Erosion
Hardness
Grain Size
Fracture
Streak
Porosity
Luster
Compressive Strength
Cleavage
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Specific Gravity
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Specific Heat Capacity
Resistance
Asia
Africa
Europe
Others
North America
South America
Australia
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
From Old French esclate, from esclat (French éclat)
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Black, Brown, Buff, Green, Light to Dark Grey, Purple, Red, Shades of Blue
Bathrooms, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
Artifacts, Monuments, Sculpture, Small Figurines
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
Phyllite, Schist, and Slate
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
Slate is a low grade metamorphic rock that is generally formed by metamorphosis of mudstone or shale, under relatively low pressure and temperature conditions.
Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock
Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey
Dull, Banded and Foilated
Decorative Aggregates, Homes, Interior Decoration
Paving Stone, Garden Decoration, Office Buildings
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
Taken as a Supplement for Calcium or Magnesium
Artifacts, Monuments, Sculpture, Small Figurines
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny
The formation of Appinite takes place deep beneath the Earth’s surface at around 150 to 450 kms, and are erupted rapidly and violently.
Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Regional Metamorphism
Chemical Weathering, Mechanical Weathering
Chemical Erosion, Water Erosion, Wind Erosion
Heat Resistant, Impact Resistant
Angola, Botswana, Cameroon, Ethiopia, South Africa
England, Hungary, Iceland, United Kingdom
Argentina, Colombia, Ecuador
New South Wales, New Zealand, Queensland, South Australia, Western Australia