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Soapstone and Travertine


Travertine and Soapstone


Definition

Definition
It is a metamorphic magnesium rich rock because it is composed of the mineral talc   
Travertine is a mineral consisting of layered calcium carbonate formed by deposition from spring waters   

History
  
  

Origin
USA   
Italy   

Discoverer
Unknown   
Marcus Vitruvius Pollio   

Etymology
From 17th century, because of its greasy feel and use like a soap   
From Italian travertino a kind of building stone, from Tiburs, adjective from Tibur (Tivoli), in Italy   

Class
Metamorphic Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture

Texture
Polished   
Banded   

Color
Black, Black to Grey, Green, Grey   
Beige, Black, Blue, Brown, Grey, Red, White, Yellow   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
No   
Yes   

Appearance
Dull, Banded and Foilated   
Fibrous   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
Manufacture of Magnesium and Dolomite Refractories   
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Raw material for the manufacture of mortar   

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

Antiquity Uses
Artifacts, Jewellery, Monuments, Sculpture   
Artifacts, Jewellery, Monuments, Sculpture, Small Figurines   

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)   
Cemetery Markers, Creating Artwork, Gemstone, Jewelry, Paper Industry, Pottery   

Types

Types
Not Available   
Not Available   

Features
Host Rock for Lead   
Stalactites and stalagmites are formed from this rock, Surfaces are often shiny, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Christ the Redeemer in Rio de Janeiro, Stonehenge in English county of Wiltshire   
Colosseum in Rome, Italy, Sacré Coeur in Paris, France, Trevi Fountain in Rome, Italy   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Present   

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.   
Travertine is a type of sedimentary rock formed when a river carries or transports pieces of broken rock which then undergo sedimentation. They are then subjected to high temperature and pressure hence forming travertine rock.   

Composition
  
  

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

Compound Content
CaO, Mg, MgO   
Ca, NaCl, CaO, Oxygen   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism   
Not Applicable   

Weathering
No   
Yes   

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

Erosion
No   
Yes   

Types of Erosion
Not Applicable   
Chemical Erosion, Coastal Erosion, Glacier Erosion   

Properties

Physical Properties
  
  

Hardness
1   
3-4   

Grain Size
Fine Grained   
Fine Grained   

Fracture
Conchoidal   
Splintery   

Streak
Black   
White   

Porosity
Less Porous   
Highly Porous   

Luster
Greasy   
Dull to Pearly   

Compressive Strength
225.00 N/mm2   
7
80.00 N/mm2   
23

Cleavage
Perfect   
Non-Existent   

Toughness
1   
1   

Specific Gravity
2.86   
1.68   

Transparency
Opaque   
Opaque   

Density
2.8-2.9 g/cm3   
2.71 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.88 kJ/Kg K   
13
1.09 kJ/Kg K   
8

Resistance
Heat Resistant, Pressure Resistant   
Impact Resistant, Pressure Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand   
China, Russia   

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

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

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Colombia   
Argentina, Bolivia, Ecuador   

Deposits in Oceania Continent
  
  

Australia
Central Australia, New Zealand, Queensland   
Not Yet Found   

Summary >>
<< Reserves

All about Soapstone and Travertine Properties

Know all about Soapstone and Travertine properties here. All properties of rocks are important as they define the type of rock and its application. Soapstone belongs to Metamorphic Rocks while Travertine belongs to Sedimentary Rocks.Texture of Soapstone is Polished whereas that of Travertine is Banded. Soapstone appears Dull, Banded and Foilated and Travertine appears Fibrous. The luster of Soapstone is greasy while that of Travertine is dull to pearly. Soapstone is available in black, black to grey, green, grey colors whereas Travertine is available in beige, black, blue, brown, grey, red, white, yellow 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 Travertine are cemetery markers, creating artwork, gemstone, jewelry, paper industry, pottery.

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