Granulite

Limestone

Granulite and Limestone

Granulite

Limestone

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Definition

Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.

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

History

Origin

Central Europe

New Zealand

Discoverer

Unknown

Belsazar Hacquet

Etymology

From Latin granulum, a little grain or fine grained

From lime and stone in late 14th Century

Class

Metamorphic Rocks

Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Medium Hardness Rock

Family

Group

Other Categories

Coarse Grained Rock, Medium Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Granoblastic

Clastic or Non-Clastic

Color

Black, Brown

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

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Veined or Pebbled

Rough and Banded

Uses

Architecture

Interior Uses

Bathrooms, Countertops, Decorative Aggregates, Entryways, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads

Decorative Aggregates, Interior Decoration

Exterior Uses

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

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Building houses or walls

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

Medical Industry

In Chemical and Pharmaceutical Industry, Medicines and Cosmetics

Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Curling, Gemstone, Laboratory bench tops, Soil Conditioner, Tombstones

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

Types

Metamorphic rock

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

Features

Clasts are smooth to touch

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

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

Absent

Present

Formation

Granulite is a fine-grained granular metamorphic rock in which the main component minerals are feldspars and quartz and forms at high temperature and pressure conditions.

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

Composition

Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Quartz

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

Compound Content

Aluminium Oxide, CaO, Carbon Dioxide, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Sulfur Dioxide, Titanium Dioxide

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

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Coastal Erosion

Properties

Physical Properties

Hardness

6-73-4

1 7

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Grain Size

Medium to Coarse Grained

Fine Grained

Fracture

Splintery

Streak

White

Porosity

Very Less Porous

Less Porous

Luster

Vitreous

Dull to Pearly

Compressive Strength

175.00 N/mm²115.00 N/mm²

0.15 450

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Cleavage

Toughness

Specific Gravity

2.8-3.02.3-2.7

0 8.4

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Transparency

Opaque

Density

3.06-3.33 g/cm³2.3-2.7 g/cm³

0 1400

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Thermal Properties

Specific Heat Capacity

0.14 kJ/Kg K0.91 kJ/Kg K

0.14 3.2

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Resistance

Heat Resistant, Wear Resistant

Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

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

Africa

Angola, Egypt, Madagascar, Nigeria, South Africa

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

Europe

Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic

United Kingdom

Others

Deposits in Western Continents

North America

Canada, USA

USA

South America

Colombia

Deposits in Oceania Continent

Australia

Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula

All about Granulite and Limestone Properties

Know all about Granulite and Limestone properties here. All properties of rocks are important as they define the type of rock and its application. Granulite belongs to Metamorphic Rocks while Limestone belongs to Sedimentary Rocks.Texture of Granulite is Granoblastic whereas that of Limestone is Clastic or Non-Clastic. Granulite appears Veined or Pebbled and Limestone appears Rough and Banded. The luster of Granulite is vitreous while that of Limestone is dull to pearly. Granulite is available in black, brown colors whereas Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones and that 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.