Definition
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
Origin
USA
Pennsylvania, U.S.
Discoverer
Unknown
Unknown
Etymology
From 17th century, because of its greasy feel and use like a soap
From Greek anthrakites, from anthrax, anthrak meaning coal
Class
Metamorphic Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Soft Rock
Group
Not Applicable
Not Applicable
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Texture
Polished
Amorphous, Glassy
Color
Black, Black to Grey, Green, Grey
Black, Brown, Dark Brown, Grey, Light to Dark Grey
Durability
Durable
Durable
Appearance
Dull, Banded and Foilated
Veined or Pebbled
Interior Uses
Bathrooms, Decorative Aggregates, Homes, Interior Decoration
Not Yet Used
Exterior Uses
As Facing Stone, Garden Decoration
Not Yet Used
Other Architectural Uses
Curbing
Not Yet Used
Construction Industry
Manufacture of Magnesium and Dolomite Refractories
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
Commercial Uses
Cemetery Markers, Creating Artwork, Gemstone, Jewelry, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Production of Lime, 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
Helps in production of Heat and Electricity, Used as fossil fuel
Archaeological Significance
Monuments
Used
Not Yet Used
Famous Monuments
Christ the Redeemer in Rio de Janeiro, Stonehenge in English county of Wiltshire
Not Applicable
Sculpture
Used
Not Yet Used
Famous Sculptures
Data Not Available
Not Applicable
Figurines
Used
Not Yet Used
Formation
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.
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.
Mineral Content
Albite, Apatite, Biotite, Calcite, Carbonate, Clay Minerals, Hornblende, Ilmenite, Micas, Plagioclase, Pyroxene, Quartz
Calcite, Clay, Clay Minerals
Compound Content
CaO, Mg, MgO
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism
Types of Weathering
Not Applicable
Not Applicable
Types of Erosion
Not Applicable
Not Applicable
Grain Size
Fine Grained
Medium to Fine Coarse Grained
Fracture
Conchoidal
Conchoidal
Porosity
Less Porous
Less Porous
Compressive Strength
Not Available
Cleavage
Perfect
Non-Existent
Toughness
1
Not Available
Specific Gravity
2.86
1.1-1.4
Transparency
Opaque
Opaque
Density
2.8-2.9 g/cm3
1.25-2.5 g/cm3
Resistance
Heat Resistant, Pressure Resistant
Heat Resistant, Water Resistant
Deposits in Eastern Continents
Asia
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam
Africa
Egypt, Ethiopia, Ghana, South Africa, Western Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania
Europe
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom
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
Canada, USA
Canada, Mexico, USA
South America
Colombia
Brazil, Chile, Colombia, Venezuela
Deposits in Oceania Continent
Australia
Central Australia, New Zealand, Queensland
New South Wales, Queensland, Victoria
Soapstone vs Anthracite Characteristics
Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Soapstone vs Anthracite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Soapstone and Properties of Anthracite. Learn more about Soapstone vs Anthracite in the next section. The interior uses of Soapstone include Bathrooms, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Anthracite include Not yet used. Due to some exceptional properties of Soapstone and Anthracite, they have various applications in construction industry. The uses of Soapstone in construction industry include Manufacture of magnesium and dolomite refractories and that of Anthracite include Cement manufacture, For road aggregate, Making natural cement, Steel production.
More about Soapstone and Anthracite
Here you can know more about Soapstone and Anthracite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Soapstone and Anthracite consists of mineral content and compound content. The mineral content of Soapstone includes Albite, Apatite, Biotite, Calcite, Carbonate, Clay Minerals, Hornblende, Ilmenite, Micas, Plagioclase, Pyroxene, Quartz and mineral content of Anthracite includes Calcite, Clay, Clay Minerals. You can also check out the list of all Metamorphic Rocks. When we have to compare Soapstone vs Anthracite, the texture, color and appearance plays an important role in determining the type of rock. Soapstone is available in black, black to grey, green, grey colors whereas, Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. Appearance of Soapstone is Dull, Banded and Foilated and that of Anthracite is Veined or Pebbled. Properties of rock is another aspect for Soapstone vs Anthracite. The hardness of Soapstone is 1 and that of Anthracite is 1-1.5. The types of Soapstone are Not Available whereas types of Anthracite are Semi-anthracite and Meta-anthracite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Soapstone and Anthracite is black. The specific heat capacity of Soapstone is 0.88 kJ/Kg K and that of Anthracite is 1.32 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Soapstone is heat resistant, pressure resistant whereas Anthracite is heat resistant, water resistant.