Definition
Origin
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Texture
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Water Resistant
Scratch Resistant
Stain Resistant
Wind Resistant
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Famous Sculptures
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Types of Weathering
Erosion
Types of Erosion
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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
Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline
Fine Grained Rock, Opaque Rock
Decorative Aggregates, Flooring, Interior Decoration
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
Artifacts, Monuments, Sculpture
Cemetery Markers, Commemorative Tablets, Creating Artwork, Laboratory bench tops, Jewelry, Sea Defence, Tombstones
Theralite 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.
Augite, Olivine, Plagioclase, Pyroxene
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide
Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Chemical Erosion, Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion
Uneven, Splintery or Conchoidal
Impact Resistant, Pressure Resistant, Wear Resistant
Germany, Greece, Italy, Scotland, Turkey
Greenland, Mid-Atlantic Ridge
Bolivia, Brazil, Colombia, Venezuela