Limestone

Essexite

Limestone and Essexite

Limestone

Essexite

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Definition

Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate

Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock

History

Origin

New Zealand

USA

Discoverer

Belsazar Hacquet

Unknown

Etymology

From lime and stone in late 14th Century

From the locality in Essex County, Massachusetts,US

Class

Sedimentary Rocks

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

Family

Group

Plutonic

Other Categories

Fine Grained Rock, Opaque Rock

Texture

Clastic or Non-Clastic

Granular

Color

Beige, Black, Blue, Brown, Cream, Gold, Green, Grey, Light Green, Light Grey, Linen, Pink, Red, Rust, Silver, White, Yellow

Dark Grey to Black

Maintenance

Less

Durability

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, Office Buildings

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

Other Architectural Uses

Curbing

Industry

Construction Industry

Cement Manufacture, Cobblestones, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar, Roadstone, Source of calcium

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

Medical Industry

In Chemical and Pharmaceutical Industry, Medicines and Cosmetics

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Animal feed filler, As a Feed Additive for Livestock, Paper Industry, Raw material for manufacture of quicklime, slaked lime, Soil Conditioner, Used in aquariums, Whiting material in toothpaste, paint and paper

Cemetery Markers, Commemorative Tablets, Jewelry, Sea Defence, Tombstones

Types

Chalk, Coquina, Fossiliferous Limestone, Lithographic Limestone, Oolitic Limestone, Travertine, Tufa

Intermediate volcanic rock

Features

Host Rock for Lead, Stalactites and stalagmites are formed from this rock, Zinc and Copper Deposits

Is one of the oldest rock, Smooth to touch

Archaeological Significance

Monuments

Famous Monuments

Acropolis of Athens in Greece, Agia Sophia in Istanbul, Turkey, Al Aqsa Mosque in Jerusalem, Angkor Wat in Cambodia, Big Ben in London, Charminar in Hyderabad, India, Chhatrapati Shivaji Terminus in Maharashtra, India, Chichen Itza in Mexico, Empire State Building in New York, Khajuraho Temples, India, Kremlin in Moscow, Louvre in Paris, France, Neuschwanstein in Bavaria, Potala Palace in Lahasa, Tibet, Wailing Wall in Jerusalem

Sculpture

Famous Sculptures

Ajanta Caves in Maharashtra, India, Elephanta Caves in Maharashtra, India

Pictographs

Petroglyphs

Figurines

Fossils

Present

Absent

Formation

Limestone is a sedimentary rock which is mainly made up of calcium carbonate.

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

Calcite, Chert, Clay, Dolomite, Quartz, Sand, Silt

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

Compound Content

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, MgO

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

Transformation

Metamorphism

✔ ✘

Types of 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

Coastal Erosion, Glacier Erosion, Water Erosion

Properties

Physical Properties

Hardness

3-47

1 7

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Grain Size

Fine Grained

Fracture

Splintery

Conchoidal

Streak

White

Black

Porosity

Less Porous

Highly Porous

Luster

Dull to Pearly

Compressive Strength

115.00 N/mm²120.00 N/mm²

0.15 450

👆🏻

Cleavage

Toughness

1.6

Specific Gravity

2.3-2.7-9999

0 8.4

👆🏻

Transparency

Opaque

Density

2.3-2.7 g/cm³-9999 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.91 kJ/Kg K0.79 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Pressure Resistant

Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam

India, Russia

Africa

Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe

South Africa

Europe

United Kingdom

Germany, Greece, Italy, Scotland, Turkey

Others

Greenland

Deposits in Western Continents

North America

USA

Canada, USA

South America

Colombia

Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula

New Zealand, Queensland

All about Limestone and Essexite Properties

Know all about Limestone and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Limestone belongs to Sedimentary Rocks while Essexite belongs to Igneous Rocks.Texture of Limestone is Clastic or Non-Clastic whereas that of Essexite is Granular. Limestone appears Rough and Banded and Essexite appears Banded. The luster of Limestone is dull to pearly while that of Essexite is . Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors whereas Essexite is available in dark grey to black colors. The commercial uses of Limestone are animal feed filler, as a feed additive for livestock, paper industry, raw material for manufacture of quicklime, slaked lime, soil conditioner, used in aquariums, whiting material in toothpaste, paint and paper and that of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.