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Serpentinite and Slate


Slate and Serpentinite


Definition

Definition
A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.   
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism   

History
  
  

Origin
USA   
England   

Discoverer
Unknown   
Unknown   

Etymology
From English word serpentinization.   
From Old French esclate, from esclat (French éclat)   

Class
Metamorphic Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Medium Hardness 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
Earthy   
Foliated   

Color
Black, Brown, Colourless, Green, Grey, White   
Black, Brown, Buff, Green, Light to Dark Grey, Purple, Red, Shades of Blue   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Rough and Dull   
Dull   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration   
Bathrooms, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads   

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

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement   
As Dimension Stone   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork   
Blackboards, Commemorative Tablets, Laboratory bench tops, Standard material for the bed of Billiard table, Standard material for the beds of Pool and Snooker table, Tombstones, Used in aquariums, Writing Slates   

Types

Types
Jadeitite   
Not Available   

Features
Host Rock for Lead   
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
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
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Serpentinite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.   
Slate is a low grade metamorphic rock that is generally formed by metamorphosis of mudstone or shale, under relatively low pressure and temperature conditions.   

Composition
  
  

Mineral Content
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides   
Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon   

Compound Content
Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur   
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
No   
Yes   

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

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Wind Erosion   
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
3-5   
3-4   

Grain Size
Very fine-grained   
Very fine-grained   

Fracture
Uneven   
Splintery   

Streak
White, Greenish White or Grey   
Light to dark brown   

Porosity
Less Porous   
Less Porous   

Luster
Waxy and Dull   
Dull   

Compressive Strength
310.00 N/mm2   
2
30.00 N/mm2   
30

Cleavage
Irregular   
Slaty   

Toughness
7   
1.2   

Specific Gravity
2.79-3   
2.65-2.8   

Transparency
Opaque   
Opaque   

Density
2.5-3 g/cm3   
2.6-2.8 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.95 kJ/Kg K   
9
0.76 kJ/Kg K   
17

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Saudi Arabia, Singapore, South Korea   
China, India, Turkey   

Africa
Ethiopia, Western Africa   
Not Yet Found   

Europe
England, Georgia, Switzerland, United Kingdom   
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom   

Others
Not Yet Found   
Arctic   

Deposits in Western Continents
  
  

North America
Canada   
USA   

South America
Colombia   
Brazil   

Deposits in Oceania Continent
  
  

Australia
Central Australia, New South Wales, New Zealand, Western Australia   
Not Yet Found   

Summary >>
<< Reserves

All about Serpentinite and Slate Properties

Know all about Serpentinite and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Serpentinite and Slate belong to Metamorphic Rocks.Texture of Serpentinite is Earthy whereas that of Slate is Foliated. Serpentinite appears Rough and Dull and Slate appears Dull. The luster of Serpentinite is waxy and dull while that of Slate is dull. Serpentinite is available in black, brown, colourless, green, grey, white colors whereas Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors. The commercial uses of Serpentinite are commemorative tablets, creating artwork and that of Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates.

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