Definition
Origin
Discoverer
Etymology
Class
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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
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Famous Sculptures
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Metamorphism
Types of Metamorphism
Weathering
Types of Weathering
Erosion
Types of Erosion
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Asia
Africa
Europe
Others
North America
South America
Australia
Gritstone or grit is a hard, coarse-grained, siliceous sandstone
Coarse Grained Rock, Opaque Rock
Beige, Black, Brown, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow
Countertops, Decorative Aggregates, Homes, Interior Decoration
As Building Stone, Garden Decoration, Office Buildings, Paving Stone
Construction Aggregate, Roadstone
Artifacts, Monuments, Sculpture
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO), Tombstones
Available in Lots of Colors and Patterns, Generally rough to touch, Very fine grained rock
Gritstone is a type of sedimentary rock which was formed on the floors of wide river deltas where the grit deposits were laid down, with every tide or flood dumping another layer of sediment.
Calcite, Clay Minerals, Feldspar, Micas, Quartz
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion
Heat Resistant, Impact Resistant, Pressure Resistant
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Namibia, Nigeria, South Africa
Austria, Denmark, Germany, Great Britain, Netherlands, Poland, Sweden, Switzerland, United Kingdom
New South Wales, New Zealand, Western Australia
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components
From the Greek word migma which means a mixture
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Black, Bluish - Grey, Brown, Brown- Black, Dark Greenish - Grey, Dark Grey to Black
Dull, Banded and Foilated
Countertops, Flooring, Kitchens
As Building Stone, As Facing Stone
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement
Cemetery Markers, Jewelry, Tombstones, Used to manufracture paperweights and bookends
Diatexites and Metatexites
Generally rough to touch, Is one of the oldest rock
Migmatites form by high temperature regional and thermal metamorphism of protolith rocks where rocks melt partially due to high temperature.
Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon
Aluminium Oxide, NaCl, CaO, Carbon Dioxide, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, MnO, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Glacier Erosion, Water Erosion, Wind Erosion
Medium to Fine Coarse Grained
Dull to Pearly to Subvitreous
Heat Resistant, Pressure Resistant
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine, United Kingdom
Canada, Costa Rica, Cuba, Mexico, Panama, USA
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
New South Wales, New Zealand, Queensland, Victoria