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Pumice
Pumice

Ignimbrite
Ignimbrite



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Pumice vs Ignimbrite

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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
Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows

History

Origin

Spain
New Zealand

Discoverer

Unknown
Patrick Marshall

Etymology

From Old French pomis, from a Latin dialect variant of pumex
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite

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, Opaque Rock

Texture

Texture

Vesicular
Aphanitic

Color

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

Maintenance

Less
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Vesicular
Dull, Vesicular and Foilated

Uses

Architecture

Interior Uses

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

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
As Building 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
Building houses or walls, Construction Aggregate

Medical Industry

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

Antiquity Uses

Artifacts
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
Cemetery Markers, Commemorative Tablets, Creating Artwork

Types

Types

Scoria
Pyroclastic rock

Features

Host Rock for Lead
Always found as volcanic pipes over deep continental crust

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.
Ignimbrites are formed from very poorly sorted mixture of volcanic ash or tuff and pumice lapilli, commonly with scattered lithic fragments.

Composition

Mineral Content

Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica
Apatite, Biotite, Calcite, Chlorite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

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

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

64-6
1 7
👆🏻

Grain Size

Fine Grained
Fine Grained

Fracture

Planar
Uneven

Streak

White, Greenish White or Grey
White

Porosity

Highly Porous
Highly Porous

Luster

Earthy
Vitreous to Dull

Compressive Strength

51.20 N/mm2243.80 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
-

Toughness

3
-

Specific Gravity

2.862.73
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

0.25-0.3 g/cm31-1.8 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.87 kJ/Kg K0.20 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

Afghanistan, Indonesia, Japan, Russia
Afghanistan, Armenia, Azerbaijan, Burma, Cambodia, China, India, Indonesia, Iran, Japan, Malaysia, Mongolia, Nepal, North Korea, Pakistan, Saudi Arabia, Syria, Taiwan, Thailand, Turkey, Vietnam, Yemen

Africa

Ethiopia, Kenya, Tanzania
Cameroon, Cape Verde, Chad, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Madagascar, Nigeria, Rwanda, South Africa, Sudan, Tanzania, Uganda

Europe

Greece, Hungary, Iceland, Italy, Turkey
France, Georgia, Germany, Greece, Iceland, Italy, Netherlands, Poland, Portugal, Spain, United Kingdom

Others

-
Antarctica, Hawaii Islands

Deposits in Western Continents

North America

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

South America

Argentina, Chile, Ecuador, Peru
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador

Deposits in Oceania Continent

Australia

New Zealand, Western Australia
Central Australia, Western Australia

Pumice vs Ignimbrite 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 Ignimbrite Reserves. Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. 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 Ignimbrite information and Pumice vs Ignimbrite characteristics in the upcoming sections.

Pumice vs Ignimbrite 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 Ignimbrite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Pumice and Properties of Ignimbrite. Learn more about Pumice vs Ignimbrite in the next section. The interior uses of Pumice include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Ignimbrite include Decorative aggregates, Floor tiles, Homes and Interior decoration. Due to some exceptional properties of Pumice and Ignimbrite, 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 Ignimbrite include Building houses or walls, Construction aggregate.

More about Pumice and Ignimbrite

Here you can know more about Pumice and Ignimbrite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Pumice and Ignimbrite consists of mineral content and compound content. The mineral content of Pumice includes Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica and mineral content of Ignimbrite includes Apatite, Biotite, Calcite, Chlorite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Pumice vs Ignimbrite, 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, Ignimbrite is available in beige, black, brown, grey, pink, white colors. Appearance of Pumice is Vesicular and that of Ignimbrite is Dull, Vesicular and Foilated. Properties of rock is another aspect for Pumice vs Ignimbrite. The hardness of Pumice is 6 and that of Ignimbrite is 4-6. The types of Pumice are Scoria whereas types of Ignimbrite are Pyroclastic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Pumice and Ignimbrite is white, greenish white or grey. The specific heat capacity of Pumice is 0.87 kJ/Kg K and that of Ignimbrite is 0.20 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 Ignimbrite is heat resistant, impact resistant, pressure resistant, wear resistant.