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Limestone and Talc carbonate


Talc carbonate and Limestone


Definition

Definition
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate   
Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.   

History
  
  

Origin
New Zealand   
China, USA, Middle east   

Discoverer
Belsazar Hacquet   
Unknown   

Etymology
From lime and stone in late 14th Century   
From medieval Latin, talcum   

Class
Sedimentary Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture

Texture
Clastic or Non-Clastic   
Very Soft   

Color
Beige, Black, Blue, Brown, Cream, Gold, Green, Grey, Light Green, Light Grey, Linen, Pink, Red, Rust, Silver, White, Yellow   
Colourless, Grey, White   

Maintenance
More   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
No   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Rough and Banded   
Soft   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration   
Decorative Aggregates, Interior Decoration   

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

Other Architectural Uses
Curbing   
Powder   

Industry
  
  

Construction Industry
Cement Manufacture, Cobblestones, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar, Roadstone, Source of calcium   
Source of calcium   

Medical Industry
In Chemical and Pharmaceutical Industry, Medicines and Cosmetics   
Taken as a Supplement for Calcium or Magnesium   

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

Other Uses
  
  

Commercial Uses
Animal feed filler, As a Feed Additive for Livestock, Paper Industry, Raw material for manufacture of quicklime, slaked lime, Soil Conditioner, Used in aquariums, Whiting material in toothpaste, paint and paper   
Manufacturing of baby powder   

Types

Types
Chalk, Coquina, Fossiliferous Limestone, Lithographic Limestone, Oolitic Limestone, Travertine, Tufa   
Not Available   

Features
Host Rock for Lead, Stalactites and stalagmites are formed from this rock, Zinc and Copper Deposits   
Easily splits into thin plates, Generally rough to touch, Host Rock for Lead   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Acropolis of Athens in Greece, Agia Sophia in Istanbul, Turkey, Al Aqsa Mosque in Jerusalem, Angkor Wat in Cambodia, Big Ben in London, Charminar in Hyderabad, India, Chhatrapati Shivaji Terminus in Maharashtra, India, Chichen Itza in Mexico, Empire State Building in New York, Khajuraho Temples, India, Kremlin in Moscow, Louvre in Paris, France, Neuschwanstein in Bavaria, Potala Palace in Lahasa, Tibet, Wailing Wall in Jerusalem   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Ajanta Caves in Maharashtra, India, Elephanta Caves in Maharashtra, India   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Not Used   

Figurines
Used   
Used   

Fossils
Present   
Absent   

Formation

Formation
Limestone is a sedimentary rock which is mainly made up of calcium carbonate.   
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Talc Carbonate is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.   

Composition
  
  

Mineral Content
Calcite, Chert, Clay, Dolomite, Quartz, Sand, Silt   
Carbonate, Chlorite, Magnesium   

Compound Content
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, MgO   
CaO, Carbon Dioxide, MgO   

Transformation
  
  

Metamorphism
No   
Yes   

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

Weathering
Yes   
No   

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

Erosion
Yes   
No   

Types of Erosion
Chemical Erosion, Coastal Erosion   
Not Applicable   

Properties

Physical Properties
  
  

Hardness
3-4   
1-2   

Grain Size
Fine Grained   
Fine Grained   

Fracture
Splintery   
Flat   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

Luster
Dull to Pearly   
Pearly   

Compressive Strength
115.00 N/mm2   
18
250.00 N/mm2   
4

Cleavage
Non-Existent   
Perfect   

Toughness
1   
1   

Specific Gravity
2.3-2.7   
2.86   

Transparency
Opaque   
Translucent   

Density
2.3-2.7 g/cm3   
2.8-2.9 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.91 kJ/Kg K   
11
0.92 kJ/Kg K   
10

Resistance
Pressure Resistant   
Heat Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam   
Not Yet Found   

Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe   
Ethiopia, Ghana, Western Africa   

Europe
United Kingdom   
England   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
USA   
Canada, USA   

South America
Colombia   
Argentina, Bolivia, Uruguay   

Deposits in Oceania Continent
  
  

Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula   
Central Australia, South Australia, Western Australia   

Summary >>
<< Reserves

All about Limestone and Talc carbonate Properties

Know all about Limestone and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Limestone belongs to Sedimentary Rocks while Talc carbonate belongs to Metamorphic Rocks.Texture of Limestone is Clastic or Non-Clastic whereas that of Talc carbonate is Very Soft. Limestone appears Rough and Banded and Talc carbonate appears Soft. The luster of Limestone is dull to pearly while that of Talc carbonate is pearly. Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors whereas Talc carbonate is available in colourless, grey, white colors. The commercial uses of Limestone are animal feed filler, as a feed additive for livestock, paper industry, raw material for manufacture of quicklime, slaked lime, soil conditioner, used in aquariums, whiting material in toothpaste, paint and paper and that of Talc carbonate are manufacturing of baby powder.

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