Definition
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
  
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
  
History
  
  
Origin
USA
  
Pennsylvania, U.S.
  
Discoverer
Unknown
  
Unknown
  
Etymology
From silica, the main mineral content of Jasperoid
  
From Greek anthrakites, from anthrax, anthrak meaning coal
  
Class
Sedimentary Rocks
  
Metamorphic Rocks
  
Sub-Class
Durable Rock, Medium Hardness Rock
  
Durable Rock, Soft Rock
  
Family
  
  
Group
Not Applicable
  
Not Applicable
  
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
  
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
  
Texture
Earthy
  
Amorphous, Glassy
  
Color
Black, Brown, Colourless, Green, Grey, Pink, White
  
Black, Brown, Dark Brown, Grey, Light to Dark Grey
  
Maintenance
Less
  
Less
  
Durability
Durable
  
Durable
  
Water Resistant
Yes
  
No
  
Scratch Resistant
Yes
  
No
  
Stain Resistant
Yes
  
No
  
Wind Resistant
No
  
No
  
Acid Resistant
No
  
No
  
Appearance
Glassy or Pearly
  
Veined or Pebbled
  
Architecture
  
  
Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
  
Not Yet Used
  
Exterior Uses
As Building Stone, Garden Decoration, Office Buildings, Paving Stone
  
Not Yet Used
  
Other Architectural Uses
Curbing
  
Not Yet Used
  
Industry
  
  
Construction Industry
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories, Production of Glass and Ceramics, Serves as an Oil and Gas Reservoir rock
  
Cement Manufacture, for Road Aggregate, Making natural cement, Steel Production
  
Medical Industry
Taken as a Supplement for Calcium or Magnesium
  
In Chemical and Pharmaceutical Industry, Manufacture of Aspirins
  
Antiquity Uses
Artifacts, Jewellery, Monuments, Sculpture
  
Not Yet Used
  
Other Uses
  
  
Commercial Uses
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)
  
Alumina Refineries, Electricity Generation, Liquid Fuel, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Paper Industry
  
Types
Not Available
  
Semi-anthracite and Meta-anthracite
  
Features
Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits
  
Helps in production of Heat and Electricity, Used as fossil fuel
  
Archaeological Significance
  
  
Monuments
Used
  
Not Yet Used
  
Famous Monuments
Data Not Available
  
Not Applicable
  
Sculpture
Used
  
Not Yet Used
  
Famous Sculptures
Data Not Available
  
Not Applicable
  
Pictographs
Used
  
Used
  
Petroglyphs
Used
  
Used
  
Figurines
Used
  
Not Yet Used
  
Fossils
Present
  
Absent
  
Formation
Jasperoid is a rare and peculiar type of metasomatic alteration of rocks. It is formed by extreme alteration of wall rocks within a shear zone which may occur in sediments, andesites, trachytes and basalts.
  
Anthracite forms from the accumulation of plant debris in a swamp environment. When plant debris dies and falls into the swamp, the standing water of the swamp protects it from decay.
  
Composition
  
  
Mineral Content
Clay Minerals, Pyrite, Quartz, Sulfides
  
Calcite, Clay, Clay Minerals
  
Compound Content
NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO
  
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur
  
Transformation
  
  
Metamorphism
Yes
  
Yes
  
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
  
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism
  
Weathering
No
  
No
  
Types of Weathering
Not Applicable
  
Not Applicable
  
Erosion
No
  
No
  
Types of Erosion
Not Applicable
  
Not Applicable
  
Physical Properties
  
  
Hardness
3.5-4
  
1-1.5
  
Grain Size
Medium to Fine Coarse Grained
  
Medium to Fine Coarse Grained
  
Fracture
Conchoidal
  
Conchoidal
  
Streak
White
  
Black
  
Porosity
Less Porous
  
Less Porous
  
Luster
Vitreous and Pearly
  
Shiny
  
Compressive Strength
140.00 N/mm
2
  
15
Not Available
  
Cleavage
Perfect
  
Non-Existent
  
Toughness
1
  
Not Available
  
Specific Gravity
2.8-3
  
1.1-1.4
  
Transparency
Transparent to Translucent
  
Opaque
  
Density
2.8-2.9 g/cm3
  
1.25-2.5 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
0.92 kJ/Kg K
  
10
1.32 kJ/Kg K
  
4
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
  
Heat Resistant, Water Resistant
  
Deposits in Eastern Continents
  
  
Asia
China, India
  
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
  
Africa
Morocco, Namibia
  
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
  
Europe
Austria, Italy, Romania, Spain, Switzerland
  
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom
  
Others
Not Yet Found
  
Not Yet Found
  
Deposits in Western Continents
  
  
North America
Mexico, USA
  
Canada, Mexico, USA
  
South America
Brazil, Colombia
  
Brazil, Chile, Colombia, Venezuela
  
Deposits in Oceania Continent
  
  
Australia
New South Wales, Queensland, Yorke Peninsula
  
New South Wales, Queensland, Victoria
  
All about Jasperoid and Anthracite Properties
Know all about Jasperoid and Anthracite properties here. All properties of rocks are important as they define the type of rock and its application. Jasperoid belongs to Sedimentary Rocks while Anthracite belongs to Metamorphic Rocks.Texture of Jasperoid is Earthy whereas that of Anthracite is Amorphous, Glassy. Jasperoid appears Glassy or Pearly and Anthracite appears Veined or Pebbled. The luster of Jasperoid is vitreous and pearly while that of Anthracite is shiny. Jasperoid is available in black, brown, colourless, green, grey, pink, white colors whereas Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Jasperoid are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Anthracite are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.