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Adakite
Adakite

Soapstone
Soapstone



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Adakite vs Soapstone

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Definition

Definition

Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs
It is a metamorphic magnesium rich rock because it is composed of the mineral talc

History

Origin

Adak, Aleutian Islands
USA

Discoverer

Defant and Drummond
Unknown

Etymology

From Adak, Aleutian Islands
From 17th century, because of its greasy feel and use like a soap

Class

Igneous Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock

Family

Group

Volcanic
-

Other Categories

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

Texture

Texture

Porphyritic
Polished

Color

Black, Brown, Light to Dark Grey
Black, Black to Grey, Green, Grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Soft
Dull, Banded and Foilated

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles, Homes, Hotels, Kitchens
Bathrooms, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Whetstones
Curbing

Industry

Construction Industry

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
Manufacture of Magnesium and Dolomite Refractories

Medical Industry

-
Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Monuments, Sculpture, Small Figurines
Artifacts, Jewellery, Monuments, Sculpture

Other Uses

Commercial Uses

Commemorative Tablets, Pottery, Used in aquariums
Cemetery Markers, Creating Artwork, Gemstone, Jewelry, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Production of Lime, Source of Magnesia (MgO)

Types

Types

Intermediate volcanic rock
Metamorphic rock

Features

Has High structural resistance against erosion and climate, Host rock for Diamond, Very fine grained rock
Host Rock for Lead

Archaeological Significance

Monuments

-
-

Famous Monuments

-
Christ the Redeemer in Rio de Janeiro, Stonehenge in English county of Wiltshire

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Adakite rocks are formed when the hydrous fluids are released from minerals that break down in metamorphosed basalt, and rise into the mantle they initiate partial melting.
Soapstone is a talc-schist, which is a type of metamorphic rock and it is largely composed of the mineral talc and is thus rich inmagnesium.

Composition

Mineral Content

Olivine, Plagioclase, Pyroxene
Albite, Apatite, Biotite, Calcite, Carbonate, Clay Minerals, Hornblende, Ilmenite, Micas, Plagioclase, Pyroxene, Quartz

Compound Content

Aluminium Oxide, MgO, Silicon Dioxide
CaO, Mg, MgO

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Chemical Weathering, Mechanical Weathering
-

Erosion

Types of Erosion

Coastal Erosion, Sea Erosion, Water Erosion
-

Properties

Physical Properties

Hardness

3-41
1 7
👆🏻

Grain Size

Fine to Medium Grained
Fine Grained

Fracture

Conchoidal
Conchoidal

Streak

Bluish Black
Black

Porosity

Less Porous
Less Porous

Luster

Grainy, Pearly and Vitreous
Greasy

Compressive Strength

200.00 N/mm2225.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Perfect

Toughness

-
1

Specific Gravity

-99992.86
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

-9999 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.88 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

India, Russia
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand

Africa

Ethiopia, Somalia, South Africa
Egypt, Ethiopia, Ghana, South Africa, Western Africa

Europe

Iceland
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada, USA
Canada, USA

South America

Brazil
Colombia

Deposits in Oceania Continent

Australia

-
Central Australia, New Zealand, Queensland

Adakite vs Soapstone 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 Adakite and Soapstone Reserves. Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. It is a metamorphic magnesium rich rock because it is composed of the mineral talc. 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 Adakite vs Soapstone information and Adakite vs Soapstone characteristics in the upcoming sections.

Adakite vs Soapstone 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. Adakite vs Soapstone characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Adakite and Properties of Soapstone. Learn more about Adakite vs Soapstone in the next section. The interior uses of Adakite include Decorative aggregates, Floor tiles, Homes, Hotels and Kitchens whereas the interior uses of Soapstone include Bathrooms, Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Adakite and Soapstone, they have various applications in construction industry. The uses of Adakite in construction industry include As dimension stone, Cobblestones, Rail track ballast, Roadstone and that of Soapstone include Manufacture of magnesium and dolomite refractories.

More about Adakite and Soapstone

Here you can know more about Adakite and Soapstone. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Adakite and Soapstone consists of mineral content and compound content. The mineral content of Adakite includes Olivine, Plagioclase, Pyroxene and mineral content of Soapstone includes Albite, Apatite, Biotite, Calcite, Carbonate, Clay Minerals, Hornblende, Ilmenite, Micas, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Adakite vs Soapstone, the texture, color and appearance plays an important role in determining the type of rock. Adakite is available in black, brown, light to dark grey colors whereas, Soapstone is available in black, black to grey, green, grey colors. Appearance of Adakite is Dull and Soft and that of Soapstone is Dull, Banded and Foilated. Properties of rock is another aspect for Adakite vs Soapstone. The hardness of Adakite is 3-4 and that of Soapstone is 1. The types of Adakite are Intermediate volcanic rock whereas types of Soapstone are Metamorphic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Adakite is bluish black while that of Soapstone is black. The specific heat capacity of Adakite is 0.84 kJ/Kg K and that of Soapstone is 0.88 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Adakite is heat resistant, pressure resistant, wear resistant whereas Soapstone is heat resistant, pressure resistant.