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Wehrlite
Wehrlite

Essexite 
Essexite 



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Wehrlite
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Essexite 

Wehrlite vs Essexite 

Definition

Definition

Wehrlite is an ultramafic and ultrabasic rock that is a mixture of olivine and clinopyroxene. It is a subdivision of the peridotites
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock

History

Origin

Egypt
USA

Discoverer

Alois Wehrle
Unknown

Etymology

From the name of a professor, Alois Wehrle
From the locality in Essex County, Massachusetts,US

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

Plutonic
Plutonic

Other Categories

Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Banded
Granular

Color

Dark Greenish - Grey, Green
Dark Grey to Black

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Rough and Banded
Banded

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration
Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone, Cobblestones
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Cemetery Markers, Creating Artwork, Gemstone, Jewelry
Cemetery Markers, Commemorative Tablets, Jewelry, Sea Defence, Tombstones

Types

Types

Ultramafic rock
Intermediate volcanic rock

Features

Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock
Is one of the oldest rock, Smooth to touch

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Wehrlite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Essexite is a type of igneous rock, which is usually dark grey to black plutonic rock. For the formation of essexite, suitable magma with exact composition of K, Ba, Rb, Cs, Sr should be produced.

Composition

Mineral Content

Pyroxene
Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene

Compound Content

Aluminium Oxide, CaO, Carbon Dioxide, Iron(III) Oxide, FeO, Potassium Oxide, MgO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Aluminium Oxide, Ba, Ca, Cs, Potassium, Rb, Sodium, Sr

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion
Coastal Erosion, Glacier Erosion, Water Erosion

Properties

Physical Properties

Hardness

5.5-67
1 7
👆🏻

Grain Size

Coarse Grained
Fine Grained

Fracture

Irregular
Conchoidal

Streak

White
Black

Porosity

Less Porous
Highly Porous

Luster

Metallic
-

Compressive Strength

100.00 N/mm2120.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
-

Toughness

2.1
1.6

Specific Gravity

8.4-9999
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.6-3.7 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.63 kJ/Kg K0.79 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
India, Russia

Africa

Morocco, South Africa
South Africa

Europe

Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland
Germany, Greece, Italy, Scotland, Turkey

Others

-
Greenland

Deposits in Western Continents

North America

Canada, USA
Canada, USA

South America

Brazil
Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New Zealand, Western Australia
New Zealand, Queensland

Wehrlite vs Essexite  Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Wehrlite and Essexite  Reserves. Wehrlite is an ultramafic and ultrabasic rock that is a mixture of olivine and clinopyroxene. It is a subdivision of the peridotites. Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Wehrlite vs Essexite  information and Wehrlite vs Essexite  characteristics in the upcoming sections.

Wehrlite vs Essexite  Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Wehrlite vs Essexite  characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Wehrlite and Properties of Essexite . Learn more about Wehrlite vs Essexite  in the next section. The interior uses of Wehrlite include Decorative aggregates and Interior decoration whereas the interior uses of Essexite  include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Wehrlite and Essexite , they have various applications in construction industry. The uses of Wehrlite in construction industry include As dimension stone, Cobblestones and that of Essexite  include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate.

More about Wehrlite and Essexite 

Here you can know more about Wehrlite and Essexite . The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Wehrlite and Essexite  consists of mineral content and compound content. The mineral content of Wehrlite includes Pyroxene and mineral content of Essexite  includes Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Wehrlite vs Essexite , the texture, color and appearance plays an important role in determining the type of rock. Wehrlite is available in dark greenish - grey, green colors whereas, Essexite  is available in dark grey to black colors. Appearance of Wehrlite is Rough and Banded and that of Essexite  is Banded. Properties of rock is another aspect for Wehrlite vs Essexite . The hardness of Wehrlite is 5.5-6 and that of Essexite  is 7. The types of Wehrlite are Ultramafic rock whereas types of Essexite  are Intermediate volcanic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Wehrlite is white while that of Essexite  is black. The specific heat capacity of Wehrlite is 0.63 kJ/Kg K and that of Essexite  is 0.79 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Wehrlite is heat resistant, impact resistant, pressure resistant whereas Essexite  is impact resistant, pressure resistant, wear resistant.