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Pumice
Pumice

Adakite
Adakite



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Pumice vs Adakite

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Definition

Definition

Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals
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

History

Origin

Spain
Adak, Aleutian Islands

Discoverer

Unknown
Defant and Drummond

Etymology

From Old French pomis, from a Latin dialect variant of pumex
From Adak, Aleutian Islands

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

Volcanic
Volcanic

Other Categories

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

Texture

Texture

Vesicular
Porphyritic

Color

Beige, Grey, Light Green, Light Grey, Pink, White, Yellow- grey
Black, Brown, Light to Dark Grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Vesicular
Dull and Soft

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing, Powder
Whetstones

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, for Road Aggregate, In landscaping and horticulture, Making natural cement, Production of lightweight concrete blocks
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

As an abrasive in skin exfoliating products, In Chemical and Pharmaceutical Industry, Medicines and Cosmetics
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Antiquity Uses

Artifacts
Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

As a traction material on snow-covered roads, As an abrasive in pencil erasers, Fine abrasive used for polishing, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Used in aquariums
Commemorative Tablets, Pottery, Used in aquariums

Types

Types

Scoria
Intermediate volcanic rock

Features

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

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Pumice rock forms when the magma cools so quickly that atoms in the melt are not able to arrange themselves into a crystalline structure.
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.

Composition

Mineral Content

Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica
Olivine, Plagioclase, Pyroxene

Compound Content

Al, Aluminium Oxide, CaO, Carbon Dioxide, MgO, Silicon Dioxide
Aluminium Oxide, MgO, Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

63-4
1 7
👆🏻

Grain Size

Fine Grained
Fine to Medium Grained

Fracture

Planar
Conchoidal

Streak

White, Greenish White or Grey
Bluish Black

Porosity

Highly Porous
Less Porous

Luster

Earthy
Grainy, Pearly and Vitreous

Compressive Strength

51.20 N/mm2200.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
-

Toughness

3
-

Specific Gravity

2.86-9999
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

0.25-0.3 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.87 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

Afghanistan, Indonesia, Japan, Russia
India, Russia

Africa

Ethiopia, Kenya, Tanzania
Ethiopia, Somalia, South Africa

Europe

Greece, Hungary, Iceland, Italy, Turkey
Iceland

Others

-
-

Deposits in Western Continents

North America

Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, USA

South America

Argentina, Chile, Ecuador, Peru
Brazil

Deposits in Oceania Continent

Australia

New Zealand, Western Australia
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Pumice vs Adakite 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 Pumice and Adakite Reserves. Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. 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. 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 Pumice vs Adakite information and Pumice vs Adakite characteristics in the upcoming sections.

Pumice vs Adakite 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. Pumice vs Adakite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Pumice and Properties of Adakite. Learn more about Pumice vs Adakite in the next section. The interior uses of Pumice include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Adakite include Decorative aggregates, Floor tiles, Homes, Hotels and Kitchens. Due to some exceptional properties of Pumice and Adakite, they have various applications in construction industry. The uses of Pumice in construction industry include As dimension stone, Cement manufacture, For road aggregate, In landscaping and horticulture, Making natural cement, Production of lightweight concrete blocks and that of Adakite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Pumice and Adakite

Here you can know more about Pumice and Adakite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Pumice and Adakite consists of mineral content and compound content. The mineral content of Pumice includes Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica and mineral content of Adakite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Pumice vs Adakite, the texture, color and appearance plays an important role in determining the type of rock. Pumice is available in beige, grey, light green, light grey, pink, white, yellow- grey colors whereas, Adakite is available in black, brown, light to dark grey colors. Appearance of Pumice is Vesicular and that of Adakite is Dull and Soft. Properties of rock is another aspect for Pumice vs Adakite. The hardness of Pumice is 6 and that of Adakite is 3-4. The types of Pumice are Scoria whereas types of Adakite are Intermediate volcanic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Pumice is white, greenish white or grey while that of Adakite is bluish black. The specific heat capacity of Pumice is 0.87 kJ/Kg K and that of Adakite 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.Pumice is impact resistant, pressure resistant whereas Adakite is heat resistant, pressure resistant, wear resistant.