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
Commercial Uses
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
Toughness
Specific Gravity
Transparency
Density
Specific Heat Capacity
Resistance
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
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
From 17th century, because of its greasy feel and use like a soap
Fine Grained Rock, Opaque Rock
Black, Black to Grey, Green, Grey
Dull, Banded and Foilated
Bathrooms, Decorative Aggregates, Homes, Interior Decoration
As Facing Stone, Garden Decoration
Manufacture of Magnesium and Dolomite Refractories
Taken as a Supplement for Calcium or Magnesium
Artifacts, Jewellery, Monuments, Sculpture
Cemetery Markers, Creating Artwork, Gemstone, Jewelry, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Production of Lime, Source of Magnesia (MgO)
Christ the Redeemer in Rio de Janeiro, Stonehenge in English county of Wiltshire
Soapstone is a talc-schist, which is a type of metamorphic rock and it is largely composed of the mineral talc and is thus rich inmagnesium.
Albite, Apatite, Biotite, Calcite, Carbonate, Clay Minerals, Hornblende, Ilmenite, Micas, Plagioclase, Pyroxene, Quartz
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Heat Resistant, Pressure Resistant
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand
Egypt, Ethiopia, Ghana, South Africa, Western Africa
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom
Central Australia, New Zealand, Queensland