Definition
Origin
Discoverer
Etymology
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Texture
Color
Maintenance
Durability
Water Resistant
Scratch Resistant
Stain Resistant
Wind Resistant
Acid Resistant
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Exterior Uses
Other Architectural Uses
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Monuments
Famous Monuments
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Famous Sculptures
Pictographs
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Figurines
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Formation
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Compound Content
Metamorphism
Types of Metamorphism
Weathering
Types of Weathering
Erosion
Types of Erosion
Hardness
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Asia
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Australia
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine
From Greek pikros bitter + -ite, 19th century
Fine Grained Rock, Opaque Rock
Black, Brown, Green, Grey, Pink, White, Yellow
Countertops, Decorative Aggregates, Homes, Interior Decoration
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
As a Sintering Agent in Steel Industry to process Iron Ore, Cement Manufacture, for Road Aggregate, Manufacture of Magnesium and Dolomite Refractories, Roadstone, Used for flooring, stair treads, borders and window sills.
Artifacts, Monuments, Sculpture
As a Feed Additive for Livestock, As armour rock for sea walls, Metallurgical Flux, Pottery, Source of Magnesia (MgO)
Picrite 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.
Biotite, Olivine, Plagioclase, Pyrrhotite
Al, CaO, Carbon Dioxide, Mg, MgO
Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism, Regional Metamorphism
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
White, Greenish White or Grey
Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas
Francis Buchanan-Hamilton
From Latin later brick, tile + -ite1
Fine Grained Rock, Opaque Rock
Earthy, Massive, Porphyritic
Decorative Aggregates, Flooring, Interior Decoration
As Building Stone, As Facing Stone, Garden Decoration
Cobblestones, for Road Aggregate, Landscaping, Roadstone
Artifacts, Monuments, Sculpture
An Oil and Gas Reservoir, Source of bauxite, Used in aquariums
Is one of the oldest rock, Very fine grained rock
Laterite is a type of sedimentary rock which is generally a reddish weathering product of basalt.
Aluminum Oxides, Biotite, Hematite, Hornblade, Iron Oxides, Manganese Oxides, Micas, Muscovite or Illite, Plagioclase, Pyroxene
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Biological Weathering, Chemical Weathering
Chemical Erosion, Water Erosion, Wind Erosion
Heat Resistant, Pressure Resistant
East Africa, Western Africa
England, Romania, Scotland
Central Australia, Western Australia