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Essexite 
Essexite 

Diabase
Diabase



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Essexite 
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Diabase

Essexite  vs Diabase

Definition

Definition

Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar

History

Origin

USA
Germany

Discoverer

Unknown
Christian Leopold von Buch

Etymology

From the locality in Essex County, Massachusetts,US
From Greek di + base

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Hard Rock

Family

Group

Plutonic
Volcanic

Other Categories

Fine Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Texture

Granular
Aphanitic, Granular

Color

Dark Grey to Black
Dark Grey to Black

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Banded
Vesicular

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration
Countertops, Decorative Aggregates, Homes, Interior Decoration, Kitchens

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
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, Commemorative Tablets, Jewelry, Sea Defence, Tombstones
An Oil and Gas Reservoir, Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones

Types

Types

Intermediate volcanic rock
Dolerite

Features

Is one of the oldest rock, Smooth to touch
Smooth to touch

Archaeological Significance

Monuments

-
-

Famous Monuments

-
Stonehenge in English county of Wiltshire

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

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.
Diabase forms when molten igneous rock is squeezed up into a vertical crack in other rocks, the crack is usually forced apart and the molten rock cools in the space to form a tabular igneous intrusion cutting across the surrounding rocks and is known as a dike.

Composition

Mineral Content

Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene
Augite, Chlorite, Olivine, Plagioclase, Pyroxene, Pyrrhotite, Serpentine

Compound Content

Aluminium Oxide, Ba, Ca, Cs, Potassium, Rb, Sodium, Sr
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering
Biological Weathering, Chemical Weathering

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

77
1 7
👆🏻

Grain Size

Fine Grained
Fine to Medium Grained

Fracture

Conchoidal
Conchoidal

Streak

Black
Black

Porosity

Highly Porous
Highly Porous

Luster

-
-

Compressive Strength

120.00 N/mm2225.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

1.6
1.6

Specific Gravity

-99992.86-2.87
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

-9999 g/cm32.7-3.3 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

India, Russia
India

Africa

South Africa
South Africa, Tanzania

Europe

Germany, Greece, Italy, Scotland, Turkey
Germany, Greece, Italy, Scotland, Turkey

Others

Greenland
Antarctica, Greenland

Deposits in Western Continents

North America

Canada, USA
Canada, USA

South America

Brazil, Colombia, Venezuela
Argentina, Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New Zealand, Queensland
Central Australia, New Zealand, Queensland, Western Australia

Essexite  vs Diabase 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 Essexite  and Diabase Reserves. Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar. 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 Essexite  vs Diabase information and Essexite  vs Diabase characteristics in the upcoming sections.

Essexite  vs Diabase 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. Essexite  vs Diabase characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Essexite  and Properties of Diabase. Learn more about Essexite  vs Diabase in the next section. The interior uses of Essexite  include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Diabase include Countertops, Decorative aggregates, Homes, Interior decoration and Kitchens. Due to some exceptional properties of Essexite  and Diabase, they have various applications in construction industry. The uses of Essexite  in construction industry include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate and that of Diabase include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate.

More about Essexite  and Diabase

Here you can know more about Essexite  and Diabase. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Essexite  and Diabase consists of mineral content and compound content. The mineral content of Essexite  includes Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene and mineral content of Diabase includes Augite, Chlorite, Olivine, Plagioclase, Pyroxene, Pyrrhotite, Serpentine. You can also check out the list of all Igneous Rocks. When we have to compare Essexite  vs Diabase, the texture, color and appearance plays an important role in determining the type of rock. Essexite  is available in dark grey to black colors whereas, Diabase is available in dark grey to black colors. Appearance of Essexite  is Banded and that of Diabase is Vesicular. Properties of rock is another aspect for Essexite  vs Diabase. Hardness of Essexite  and Diabase is 7. The types of Essexite  are Intermediate volcanic rock whereas types of Diabase are Dolerite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Essexite  and Diabase is black. The specific heat capacity of Essexite  is 0.79 kJ/Kg K and that of Diabase is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Essexite  is impact resistant, pressure resistant, wear resistant whereas Diabase is heat resistant, impact resistant, pressure resistant, wear resistant.