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Soapstone
Soapstone

Trachyandesite
Trachyandesite



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Soapstone
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Trachyandesite

Soapstone vs Trachyandesite

Definition

Definition

It is a metamorphic magnesium rich rock because it is composed of the mineral talc
Trachyandesite is an extrusive igneous rock.

History

Origin

USA
Indonesia

Discoverer

Unknown
Unknown

Etymology

From 17th century, because of its greasy feel and use like a soap
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite

Class

Metamorphic Rocks
Igneous Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Volcanic

Other Categories

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

Texture

Texture

Polished
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

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

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull, Banded and Foilated
Dull and Soft

Uses

Architecture

Interior Uses

Bathrooms, Decorative Aggregates, Homes, Interior Decoration
Countertops, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

As Facing Stone, Garden Decoration
As Building Stone, As Facing Stone, Garden Decoration

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

Manufacture of Magnesium and Dolomite Refractories
Building houses or walls, Cobblestones, for Road Aggregate, Rail Track Ballast, Roadstone

Medical Industry

Taken as a Supplement for Calcium or Magnesium
-

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture
Artifacts, Sculpture

Other Uses

Commercial Uses

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

Types

Types

Metamorphic rock
Basaltic Trachyandesite

Features

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

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

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.
Trachyandesite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content

Albite, Apatite, Biotite, Calcite, Carbonate, Clay Minerals, Hornblende, Ilmenite, Micas, Plagioclase, Pyroxene, Quartz
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

-
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

-
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

14-5
1 7
👆🏻

Grain Size

Fine Grained
Fine Grained

Fracture

Conchoidal
Conchoidal

Streak

Black
Light to dark brown

Porosity

Less Porous
Less Porous

Luster

Greasy
Earthy

Compressive Strength

225.00 N/mm237.40 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
Perfect

Toughness

1
2.3

Specific Gravity

2.862.8-3
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.8-2.9 g/cm32.9-3.1 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.88 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

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

Africa

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

Europe

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

Others

-
-

Deposits in Western Continents

North America

Canada, USA
Canada, USA

South America

Colombia
Brazil

Deposits in Oceania Continent

Australia

Central Australia, New Zealand, Queensland
-

Soapstone vs Trachyandesite 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 Soapstone and Trachyandesite Reserves. It is a metamorphic magnesium rich rock because it is composed of the mineral talc. Trachyandesite is an extrusive igneous rock.. 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 Soapstone vs Trachyandesite information and Soapstone vs Trachyandesite characteristics in the upcoming sections.

Soapstone vs Trachyandesite 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. Soapstone vs Trachyandesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Soapstone and Properties of Trachyandesite. Learn more about Soapstone vs Trachyandesite in the next section. The interior uses of Soapstone include Bathrooms, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Trachyandesite include Countertops, Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Soapstone and Trachyandesite, they have various applications in construction industry. The uses of Soapstone in construction industry include Manufacture of magnesium and dolomite refractories and that of Trachyandesite include Building houses or walls, Cobblestones, For road aggregate, Rail track ballast, Roadstone.

More about Soapstone and Trachyandesite

Here you can know more about Soapstone and Trachyandesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Soapstone and Trachyandesite consists of mineral content and compound content. The mineral content of Soapstone includes Albite, Apatite, Biotite, Calcite, Carbonate, Clay Minerals, Hornblende, Ilmenite, Micas, Plagioclase, Pyroxene, Quartz and mineral content of Trachyandesite includes Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase. You can also check out the list of all Metamorphic Rocks. When we have to compare Soapstone vs Trachyandesite, the texture, color and appearance plays an important role in determining the type of rock. Soapstone is available in black, black to grey, green, grey colors whereas, Trachyandesite is available in black, brown, light to dark grey colors. Appearance of Soapstone is Dull, Banded and Foilated and that of Trachyandesite is Dull and Soft. Properties of rock is another aspect for Soapstone vs Trachyandesite. The hardness of Soapstone is 1 and that of Trachyandesite is 4-5. The types of Soapstone are Metamorphic rock whereas types of Trachyandesite are Basaltic Trachyandesite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Soapstone is black while that of Trachyandesite is light to dark brown. The specific heat capacity of Soapstone is 0.88 kJ/Kg K and that of Trachyandesite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Soapstone is heat resistant, pressure resistant whereas Trachyandesite is heat resistant, pressure resistant, wear resistant.