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Soapstone and Latite


Latite and Soapstone


Definition

Definition
It is a metamorphic magnesium rich rock because it is composed of the mineral talc   
Latite is an igneous, volcanic rock, with aphanitic-aphyric to aphyric-porphyritic texture   

History
  
  

Origin
USA   
Italy   

Discoverer
Unknown   
Unknown   

Etymology
From 17th century, because of its greasy feel and use like a soap   
From the Latin word latium   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture

Texture
Polished   
Aphanitic to Porphyritic   

Color
Black, Black to Grey, Green, Grey   
Black, Brown, Colourless, Green, Grey, Pink, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Dull, Banded and Foilated   
Rough   

Uses

Architecture
  
  

Interior Uses
Bathrooms, Decorative Aggregates, Homes, Interior Decoration   
Decorative Aggregates, Entryways, Interior Decoration   

Exterior Uses
As Facing Stone, Garden Decoration   
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings   

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
Manufacture of Magnesium and Dolomite Refractories   
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   

Medical Industry
Taken as a Supplement for Calcium or Magnesium   
Not Yet Used   

Antiquity Uses
Artifacts, Jewellery, Monuments, Sculpture   
Artifacts, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Cemetery Markers, Creating Artwork, Gemstone, Jewelry, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Production of Lime, Source of Magnesia (MgO)   
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Metallurgical Flux, Soil Conditioner, Source of Magnesia (MgO)   

Types

Types
Not Available   
Rhomb porphyries   

Features
Host Rock for Lead   
Host Rock for Lead   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Christ the Redeemer in Rio de Janeiro, Stonehenge in English county of Wiltshire   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

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.   
Latite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.   

Composition
  
  

Mineral Content
Albite, Apatite, Biotite, Calcite, Carbonate, Clay Minerals, Hornblende, Ilmenite, Micas, Plagioclase, Pyroxene, Quartz   
Alkali feldspar, Biotite, Plagioclase, Pyroxene   

Compound Content
CaO, Mg, MgO   
CaO, Cl, MgO   

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism   
Burial Metamorphism, Cataclastic Metamorphism   

Weathering
No   
Yes   

Types of Weathering
Not Applicable   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
No   
Yes   

Types of Erosion
Not Applicable   
Chemical Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
1   
5-5.5   

Grain Size
Fine Grained   
Fine Grained   

Fracture
Conchoidal   
Conchoidal   

Streak
Black   
White   

Porosity
Less Porous   
Very Less Porous   

Luster
Greasy   
Subvitreous to Dull   

Compressive Strength
225.00 N/mm2   
7
310.00 N/mm2   
2

Cleavage
Perfect   
Perfect   

Toughness
1   
2.7   

Specific Gravity
2.86   
2.86   

Transparency
Opaque   
Translucent   

Density
2.8-2.9 g/cm3   
2.8-2.9 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.88 kJ/Kg K   
13
0.92 kJ/Kg K   
10

Resistance
Heat Resistant, Pressure Resistant   
Heat Resistant, Pressure Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand   
Not Yet Found   

Africa
Egypt, Ethiopia, Ghana, South Africa, Western Africa   
Not Yet Found   

Europe
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom   
Bulgaria   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
USA   

South America
Colombia   
Not Yet Found   

Deposits in Oceania Continent
  
  

Australia
Central Australia, New Zealand, Queensland   
Not Yet Found   

Summary >>
<< Reserves

All about Soapstone and Latite Properties

Know all about Soapstone and Latite properties here. All properties of rocks are important as they define the type of rock and its application. Soapstone belongs to Metamorphic Rocks while Latite belongs to Igneous Rocks.Texture of Soapstone is Polished whereas that of Latite is Aphanitic to Porphyritic. Soapstone appears Dull, Banded and Foilated and Latite appears Rough. The luster of Soapstone is greasy while that of Latite is subvitreous to dull. Soapstone is available in black, black to grey, green, grey colors whereas Latite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Soapstone are cemetery markers, creating artwork, gemstone, jewelry, manufacture of soap, solvents, dyes, plastics and fibres, production of lime, source of magnesia (mgo) and that of Latite are an oil and gas reservoir, as a feed additive for livestock, metallurgical flux, soil conditioner, source of magnesia (mgo).

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