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
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds
From the Old English term col, which has meant mineral of fossilized carbon since the 13th century
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Black, Brown, Dark Brown, Grey, Light to Dark Grey
Cement Manufacture, for Road Aggregate, Making natural cement, Steel Production
Alumina Refineries, Electricity Generation, Liquid Fuel, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Paper Industry
Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite
Helps in production of Heat and Electricity, Used as fossil fuel
Coal forms from the accumulation of plant debris in a swamp environment which is buried by sediments such as mud or sand and then compacted to form coal.
Analcime, Apatite, Barite, Calcite, Chalcopyrite, Chlorite, Chromite, Clausthalite, Clay Minerals, Crandallite Group, Dolomite, Feldspar, Galena, Gypsum, Marcasite, Muscovite or Illite, Pyrite, Quartz, Siderite, Sphalerite, Zircon
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
Medium to Fine Coarse Grained
Dull to Vitreous to Submetallic
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
Brazil, Chile, Colombia, Venezuela
New South Wales, Queensland, Victoria
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