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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Interior Uses
Exterior Uses
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Monuments
Famous Monuments
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Famous Sculptures
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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
Africa
Europe
Others
North America
South America
Australia
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite
Romania and Moldova, Europe
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Bluish - Grey, Brown, Grey, Light to Dark Grey
Decorative Aggregates, Entryways, Interior Decoration
As Building Stone, Paving Stone, Garden Decoration
As Dimension Stone, Construction Aggregate, for Road Aggregate, Landscaping
Commemorative Tablets, Creating Artwork
Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite
Host Rock for Lead, Is one of the oldest rock
Dacitic magma is formed by the subduction of young oceanic crust under a thick felsic continental plate. Further, the Oceanic crust is hydrothermally altered as quartz and sodium are added.
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide
Burial Metamorphism, Cataclastic Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Medium to Fine Coarse Grained
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
France, Greece, Romania, Scotland, Spain
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
New Zealand, South Australia, Western Australia
Vogesite is a porphyritic alkaline igneous rock and is a variety of Lamprophyre which is dominated by essential amphibole, usually hornblende, and potassic feldspar
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, Entryways, Flooring, Homes, Interior Decoration
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
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
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)
Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny
Vogesite formation takes place deep beneath the Earth’s surface at around 150 to 450 kilometres, 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, Impact Metamorphism, Regional Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea 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