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Rapakivi Granite
Rapakivi Granite

Eclogite
Eclogite



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Rapakivi Granite
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Eclogite

Rapakivi Granite vs Eclogite

Definition

Definition

Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase
Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature

History

Origin

Finland, Europe
-

Discoverer

Jakob Sederholm
René Just Haüy

Etymology

From Finnish Rapakivi which stands for crumbly rock
From French, Greek eklogē selection with reference to the selective content of the rock + -ite1

Class

Igneous Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock

Family

Group

Plutonic
-

Other Categories

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

Texture

Texture

Granular, Phaneritic
Earthy

Color

Black, Grey, Orange, Pink, White
Black, Brown, Green, Grey, Pink, White

Maintenance

More
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined or Pebbled
Dull, Banded and Foilated

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

-
Curbing

Industry

Construction Industry

As Dimension Stone
-

Medical Industry

-
In Chemical and Pharmaceutical Industry, Medicines and Cosmetics

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines
Artifacts

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Laboratory bench tops, Tombstones
Creating Artwork, Gemstone

Types

Types

Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite and Hybrid Granite
Eclogite

Features

Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock
Available in Lots of Colors and Patterns, Generally rough to touch, Is one of the oldest rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Granite is an igneous rock which is very hard, crystalline and is visibly homogeneous in texture and forms by melting of continental rocks
Eclogite forms from high-pressure metamorphism of mafic igneous rocks mainly, basalt or gabbro as it plunges into the mantle in a subduction zone.

Composition

Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz
Amphibole, Coesite, Corundum, Dolomite, Garnet, Kyanite, Lawsonite, Paragonite, Phengite, Pyroxene, Quartz, Rutile, Zoisite

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Aluminium Oxide, NaCl, CaO, Carbon Dioxide, Iron(III) Oxide, Magnesium Carbonate, MgO, Sodium Oxide, Potassium, Sodium

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
-

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Mechanical Weathering

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

6-73.5-4
1 7
👆🏻

Grain Size

Large and Coarse Grained
Fine Grained

Fracture

-
-

Streak

White
White

Porosity

Less Porous
Less Porous

Luster

Dull to Grainy with Sporadic parts Pearly and Vitreous
Subvitreous to Dull

Compressive Strength

175.00 N/mm2200.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Perfect

Toughness

-
-

Specific Gravity

2.6-2.72.86-2.87
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.6-2.8 g/cm33.2-3.6 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K0.75 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Wear Resistant
Heat Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey

Africa

Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Ethiopia, Morocco, South Africa

Europe

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

Others

-
Greenland

Deposits in Western Continents

North America

Canada, USA
Canada, Costa Rica, Panama, USA

South America

-
Argentina, Brazil, Colombia, Ecuador

Deposits in Oceania Continent

Australia

-
Central Australia, New Zealand, Queensland

Rapakivi Granite vs Eclogite 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 Rapakivi Granite and Eclogite Reserves. Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature. 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 Rapakivi Granite vs Eclogite information and Rapakivi Granite vs Eclogite characteristics in the upcoming sections.

Rapakivi Granite vs Eclogite 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. Rapakivi Granite vs Eclogite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Rapakivi Granite and Properties of Eclogite. Learn more about Rapakivi Granite vs Eclogite in the next section. The interior uses of Rapakivi Granite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Flooring, Homes, Hotels, Interior decoration, Kitchens and Stair treads whereas the interior uses of Eclogite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Rapakivi Granite and Eclogite, they have various applications in construction industry. The uses of Rapakivi Granite in construction industry include As dimension stone and that of Eclogite include .

More about Rapakivi Granite and Eclogite

Here you can know more about Rapakivi Granite and Eclogite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Rapakivi Granite and Eclogite consists of mineral content and compound content. The mineral content of Rapakivi Granite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz and mineral content of Eclogite includes Amphibole, Coesite, Corundum, Dolomite, Garnet, Kyanite, Lawsonite, Paragonite, Phengite, Pyroxene, Quartz, Rutile, Zoisite. You can also check out the list of all Igneous Rocks. When we have to compare Rapakivi Granite vs Eclogite, the texture, color and appearance plays an important role in determining the type of rock. Rapakivi Granite is available in black, grey, orange, pink, white colors whereas, Eclogite is available in black, brown, green, grey, pink, white colors. Appearance of Rapakivi Granite is Veined or Pebbled and that of Eclogite is Dull, Banded and Foilated. Properties of rock is another aspect for Rapakivi Granite vs Eclogite. The hardness of Rapakivi Granite is 6-7 and that of Eclogite is 3.5-4. The types of Rapakivi Granite are Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite and Hybrid Granite whereas types of Eclogite are Eclogite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Rapakivi Granite and Eclogite is white. The specific heat capacity of Rapakivi Granite is 0.79 kJ/Kg K and that of Eclogite is 0.75 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Rapakivi Granite is heat resistant, wear resistant whereas Eclogite is heat resistant.