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Essexite 
Essexite 

Basanite 
Basanite 



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Essexite 
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Basanite 

Essexite  vs Basanite 

Definition

Definition

Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone

History

Origin

USA
-

Discoverer

Unknown
Unknown

Etymology

From the locality in Essex County, Massachusetts,US
From Latin basanites + -ite

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Hard Rock

Family

Group

Plutonic
-

Other Categories

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

Texture

Texture

Granular
Aphanitic to Porphyritic

Color

Dark Grey to Black
Black, Brown, Green, Grey, Red, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Banded
Glassy or Pearly

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration
Decorative Aggregates, Homes

Exterior Uses

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

Other Architectural Uses

Curbing
Whetstones

Industry

Construction Industry

As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate
Arrowheads, Construction Aggregate, Cutting Tool, Spear Points

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines
Artifacts, Monuments

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Jewelry, Sea Defence, Tombstones
As a touchstone, Creating Artwork, Gemstone, In fire-starting tools, Manufacture of tools, Metallurgical Flux, Jewelry, To ignite fire, Used in flintlock firearms

Types

Types

Intermediate volcanic rock
Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite

Features

Is one of the oldest rock, Smooth to touch
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate, Used as a touchstone

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

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.
Basanite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes.

Composition

Mineral Content

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

Compound Content

Aluminium Oxide, Ba, Ca, Cs, Potassium, Rb, Sodium, Sr
Potassium Oxide, Sodium Oxide, Silicon Dioxide

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
Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

77
1 7
👆🏻

Grain Size

Fine Grained
Fine Grained

Fracture

Conchoidal
Uneven, Splintery or Conchoidal

Streak

Black
White

Porosity

Highly Porous
Highly Porous

Luster

-
Waxy and Dull

Compressive Strength

120.00 N/mm2100.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

1.6
1.5

Specific Gravity

-99992.5-2.8
0 8.4
👆🏻

Transparency

Opaque
Translucent to Opaque

Density

-9999 g/cm32.7 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K0.74 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
-

Africa

South Africa
Uganda

Europe

Germany, Greece, Italy, Scotland, Turkey
Germany, Hungary, Italy, Spain

Others

Greenland
Greenland, Mid-Atlantic Ridge

Deposits in Western Continents

North America

Canada, USA
USA

South America

Brazil, Colombia, Venezuela
Bolivia, Brazil

Deposits in Oceania Continent

Australia

New Zealand, Queensland
New South Wales, New Zealand, Queensland, South Australia, Western Australia

Essexite  vs Basanite  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 Basanite  Reserves. Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone. 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 Basanite  information and Essexite  vs Basanite  characteristics in the upcoming sections.

Essexite  vs Basanite  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 Basanite  characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Essexite  and Properties of Basanite . Learn more about Essexite  vs Basanite  in the next section. The interior uses of Essexite  include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Basanite  include Decorative aggregates and Homes. Due to some exceptional properties of Essexite  and Basanite , 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 Basanite  include Arrowheads, Construction aggregate, Cutting tool, Spear points.

More about Essexite  and Basanite 

Here you can know more about Essexite  and Basanite . The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Essexite  and Basanite  consists of mineral content and compound content. The mineral content of Essexite  includes Augite, Feldspar, Hornblende, Nepheline, Olivine, Plagioclase, Pyroxene and mineral content of Basanite  includes Augite, Feldspar, Ilmenite, Olivine, Plagioclase. You can also check out the list of all Igneous Rocks. When we have to compare Essexite  vs Basanite , 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, Basanite  is available in black, brown, green, grey, red, white colors. Appearance of Essexite  is Banded and that of Basanite  is Glassy or Pearly. Properties of rock is another aspect for Essexite  vs Basanite . Hardness of Essexite  and Basanite  is 7. The types of Essexite  are Intermediate volcanic rock whereas types of Basanite  are Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Essexite  is black while that of Basanite  is white. The specific heat capacity of Essexite  is 0.79 kJ/Kg K and that of Basanite  is 0.74 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 Basanite  is heat resistant, impact resistant, pressure resistant, wear resistant.