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Pumice
Pumice

Gabbro
Gabbro



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Pumice vs Gabbro

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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
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt

History

Origin

Spain
Germany

Discoverer

Unknown
Christian Leopold von Buch

Etymology

From Old French pomis, from a Latin dialect variant of pumex
From Latin glaber bare, smooth, bald

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

Volcanic
Plutonic

Other Categories

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

Texture

Texture

Vesicular
Phaneritic

Color

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

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Vesicular
Veined and Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Flooring, Homes, Interior Decoration
Countertops, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing, Powder
Curbing

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, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate

Medical Industry

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

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture

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
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones

Types

Types

Scoria
Anorthosite Gabbro and Norite Gabbro

Features

Host Rock for Lead
Smooth to touch

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.
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.

Composition

Mineral Content

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

Compound Content

Al, Aluminium Oxide, CaO, Carbon Dioxide, MgO, Silicon Dioxide
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Impact Metamorphism
Impact Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Weathering

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

67
1 7
👆🏻

Grain Size

Fine Grained
Coarse Grained

Fracture

Planar
Conchoidal

Streak

White, Greenish White or Grey
Black

Porosity

Highly Porous
Highly Porous

Luster

Earthy
-

Compressive Strength

51.20 N/mm2225.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
-

Toughness

3
1.6

Specific Gravity

2.862.86-2.87
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

0.25-0.3 g/cm32.7-3.3 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.87 kJ/Kg K0.71 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

Afghanistan, Indonesia, Japan, Russia
India, Russia

Africa

Ethiopia, Kenya, Tanzania
South Africa

Europe

Greece, Hungary, Iceland, Italy, Turkey
Germany, Greece, Italy, Scotland, Turkey

Others

-
Greenland

Deposits in Western Continents

North America

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

South America

Argentina, Chile, Ecuador, Peru
Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New Zealand, Western Australia
New Zealand, Queensland

Pumice vs Gabbro 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 Gabbro Reserves. Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. 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 Gabbro information and Pumice vs Gabbro characteristics in the upcoming sections.

Pumice vs Gabbro 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 Gabbro characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Pumice and Properties of Gabbro. Learn more about Pumice vs Gabbro in the next section. The interior uses of Pumice include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Gabbro include Countertops, Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Pumice and Gabbro, 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 Gabbro include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate.

More about Pumice and Gabbro

Here you can know more about Pumice and Gabbro. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Pumice and Gabbro consists of mineral content and compound content. The mineral content of Pumice includes Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica and mineral content of Gabbro includes Augite, Olivine, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Pumice vs Gabbro, 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, Gabbro is available in dark grey to black colors. Appearance of Pumice is Vesicular and that of Gabbro is Veined and Shiny. Properties of rock is another aspect for Pumice vs Gabbro. The hardness of Pumice is 6 and that of Gabbro is 7. The types of Pumice are Scoria whereas types of Gabbro are Anorthosite Gabbro and Norite Gabbro. 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 Gabbro is black. The specific heat capacity of Pumice is 0.87 kJ/Kg K and that of Gabbro is 0.71 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 Gabbro is impact resistant, pressure resistant, wear resistant.