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Evaporite and Trondhjemite


Trondhjemite and Evaporite


Definition

Definition
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution   
Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.   

History
  
  

Origin
USA   
Tonale, Italy   

Discoverer
Usiglio   
Unknown   

Etymology
From a sediment left after the evaporation   
Not Available   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Plutonic   

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   
Phaneritic   

Color
Colourless, Green, Grey, Silver, White   
Black, Brown, Light to Dark Grey, White   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
Yes   
No   

Acid Resistant
No   
No   

Appearance
Glassy, Vesicular and Foilated   
Banded and Foilated   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
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   
As Dimension Stone, Cement Manufacture, Cobblestones, Construction Aggregate, for Road Aggregate   

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

Antiquity Uses
Artifacts   
Artifacts, Monuments, Sculpture, Small Figurines   

Other Uses
  
  

Commercial Uses
Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite   
Cemetery Markers, Creating Artwork   

Types

Types
Not Available   
Not Available   

Features
Generally rough to touch, Splintery, Veined   
Is one of the oldest rock, Typically speckled black and white.   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Not Yet Used   

Famous Monuments
Not Applicable   
Not Applicable   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Not Yet Used   
Used   

Fossils
Present   
Absent   

Formation

Formation
Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.   
When alkali feldspar is extracted from granite, it changes to granitoid and later, it becomes trondhjemite with quartz as major mineral.   

Composition
  
  

Mineral Content
Calcite, Cancrinite, Gypsum, Kyanite, Magnetite   
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon   

Compound Content
CaMg(CO3)2, CaO, Calcium Sulfate, KCl, MgO, NaCl   
NaCl, CaO, MgO, Silicon Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism   
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional 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, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
2-3   
6-7   

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

Fracture
Conchoidal   
Conchoidal   

Streak
White   
Bluish Black   

Porosity
Less Porous   
Very Less Porous   

Luster
Subvitreous to Dull   
Subvitreous to Dull   

Compressive Strength
225.00 N/mm2   
7
Not Available   

Cleavage
Perfect   
Not Available   

Toughness
Not Available   
2.1   

Specific Gravity
2.86-2.99   
2.86-3   

Transparency
Translucent   
Opaque   

Density
2.8-2.9 g/cm3   
2.73 g/cm3   

Thermal Properties
  
  

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

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

Reserves

Deposits in Eastern Continents
  
  

Asia
Not Available   
Not Yet Found   

Africa
Not Available   
Egypt   

Europe
United Kingdom   
Finland, Germany, Italy, Romania, Sweden, Turkey   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
USA   
USA   

South America
Colombia, Paraguay   
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru   

Deposits in Oceania Continent
  
  

Australia
Central Australia, Western Australia   
New Zealand, South Australia, Western Australia   

Summary >>
<< Reserves

All about Evaporite and Trondhjemite Properties

Know all about Evaporite and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Evaporite belongs to Sedimentary Rocks while Trondhjemite belongs to Igneous Rocks.Texture of Evaporite is Earthy whereas that of Trondhjemite is Phaneritic. Evaporite appears Glassy, Vesicular and Foilated and Trondhjemite appears Banded and Foilated. The luster of Evaporite and Trondhjemite is subvitreous to dull. Evaporite is available in colourless, green, grey, silver, white colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Evaporite are used in the manufacture of ceramic powder, used in the preparation of sulfuric acid and silicon diborite and that of Trondhjemite are cemetery markers, creating artwork.

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