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Dolomite and Jasperoid


Jasperoid and Dolomite


Definition

Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight   
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks   

History
  
  

Origin
Southern Alps, France   
USA   

Discoverer
Dolomieu   
Unknown   

Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock   
From silica, the main mineral content of Jasperoid   

Class
Sedimentary Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture

Texture
Earthy   
Earthy   

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

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Glassy or Pearly   
Glassy or Pearly   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes, Interior Decoration   
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration   

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

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
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, Production of Glass and Ceramics, Serves as an Oil and Gas Reservoir rock   
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, Production of Glass and Ceramics, Serves as an Oil and Gas Reservoir rock   

Medical Industry
Taken as a Supplement for Calcium or Magnesium   
Taken as a Supplement for Calcium or Magnesium   

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

Other Uses
  
  

Commercial Uses
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)   
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)   

Types

Types
Boninite and Jasperoid   
Not Available   

Features
Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits   
Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits   

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
Present   
Present   

Formation

Formation
Dolomite rocks are originally deposited as calcite or aragonite rich limestone, but during diagenesis process, the calcite or aragonite is transformed into dolomite.   
Jasperoid is a rare and peculiar type of metasomatic alteration of rocks. It is formed by extreme alteration of wall rocks within a shear zone which may occur in sediments, andesites, trachytes and basalts.   

Composition
  
  

Mineral Content
Clay Minerals, Pyrite, Quartz, Sulfides   
Clay Minerals, Pyrite, Quartz, Sulfides   

Compound Content
NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO   
NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO   

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
No   
No   

Types of Weathering
Not Applicable   
Not Applicable   

Erosion
No   
No   

Types of Erosion
Not Applicable   
Not Applicable   

Properties

Physical Properties
  
  

Hardness
3.5-4   
3.5-4   

Grain Size
Medium to Fine Coarse Grained   
Medium to Fine Coarse Grained   

Fracture
Conchoidal   
Conchoidal   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

Luster
Vitreous and Pearly   
Vitreous and Pearly   

Compressive Strength
140.00 N/mm2   
15
140.00 N/mm2   
15

Cleavage
Perfect   
Perfect   

Toughness
1   
1   

Specific Gravity
2.8-3   
2.8-3   

Transparency
Transparent to Translucent   
Transparent to Translucent   

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

Thermal Properties
  
  

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

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India   
China, India   

Africa
Morocco, Namibia   
Morocco, Namibia   

Europe
Austria, Italy, Romania, Spain, Switzerland   
Austria, Italy, Romania, Spain, Switzerland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Mexico, USA   
Mexico, USA   

South America
Brazil, Colombia   
Brazil, Colombia   

Deposits in Oceania Continent
  
  

Australia
New South Wales, Queensland, Yorke Peninsula   
New South Wales, Queensland, Yorke Peninsula   

Summary >>
<< Reserves

All about Dolomite and Jasperoid Properties

Know all about Dolomite and Jasperoid properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite and Jasperoid belong to Sedimentary Rocks.Texture of Dolomite is Earthy whereas that of Jasperoid is Earthy. Dolomite appears Glassy or Pearly and Jasperoid appears Glassy or Pearly. The luster of Dolomite and Jasperoid is vitreous and pearly. Dolomite and Jasperoid are available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Dolomite and Jasperoid are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).

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