1 Definition
1.1 Definition
An iron rich extrusive rock found as a member of the alkali basalt magma series
Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals
1.2 History
1.2.1 Origin
Isle of Mull, Scotland
Spain
1.2.2 Discoverer
1.3 Etymology
From the name of discoverer, Ben More
From Old French pomis, from a Latin dialect variant of pumex
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular
Vesicular
2.2 Color
Black, Brown, Light to Dark Grey
Beige, Colourless, Grey, Light Green, Light Grey, Pink, White, Yellow- grey
2.3 Maintenance
2.4 Durability
2.4.1 Water Resistant
2.4.2 Scratch Resistant
2.4.3 Stain Resistant
2.4.4 Wind Resistant
2.4.5 Acid Resistant
2.5 Appearance
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Floor Tiles, Homes, Hotels, Kitchens
Decorative Aggregates, Flooring, Homes, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, Paving Stone, Garden Decoration, Office Buildings
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
4.1.2 Other Architectural Uses
4.2 Industry
4.2.2 Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
As Dimension Stone, Cement Manufacture, for Road Aggregate, In landscaping and horticulture, Making natural cement, Production of lightweight concrete blocks
4.2.3 Medical Industry
Not Yet Used
As an abrasive in skin exfoliating products, In Chemical and Pharmaceutical Industry, Medicines and Cosmetics
4.3 Antiquity Uses
Artifacts, Monuments, Sculpture
Artifacts
4.4 Other Uses
4.4.1 Commercial Uses
Commemorative Tablets, Creating Artwork, Curling
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
5 Types
5.1 Types
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB) and Tholeiitic Basalt
Scoria
5.2 Features
Has High structural resistance against erosion and climate, Very fine grained rock
Host Rock for Lead
5.3 Archaeological Significance
5.4.1 Monuments
5.4.3 Famous Monuments
Data Not Available
Not Applicable
5.4.4 Sculpture
5.4.5 Famous Sculptures
Data Not Available
Not Applicable
5.4.6 Pictographs
5.4.7 Petroglyphs
5.4.8 Figurines
5.5 Fossils
6 Formation
6.1 Formation
Benmoreite is a type of Igneous rock which is formed through the cooling and solidification of lava or magma. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Pumice rock forms when the magma cools so quickly that atoms in the melt are not able to arrange themselves into a crystalline structure.
6.2 Composition
6.2.1 Mineral Content
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase
Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica
6.2.2 Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Al, Aluminium Oxide, CaO, Carbon Dioxide, MgO, Silicon Dioxide
6.3 Transformation
6.3.1 Metamorphism
6.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Burial Metamorphism, Impact Metamorphism
6.3.3 Weathering
6.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
6.3.5 Erosion
6.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
7 Properties
7.1 Physical Properties
7.1.1 Hardness
7.1.2 Grain Size
Fine Grained
Fine Grained
7.1.3 Fracture
7.1.4 Streak
Black
White, Greenish White or Grey
7.1.5 Porosity
Less Porous
Highly Porous
7.1.6 Luster
7.1.7 Compressive Strength
37.40 N/mm251.20 N/mm2
0.15
450
7.1.8 Cleavage
7.1.9 Toughness
7.1.10 Specific Gravity
7.1.11 Transparency
7.1.12 Density
2.9-3.1 g/cm30.25-0.3 g/cm3
0
1400
7.2 Thermal Properties
7.2.1 Specific Heat Capacity
0.84 kJ/Kg K0.87 kJ/Kg K
0.14
3.2
7.2.2 Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Impact Resistant, Pressure Resistant
8 Reserves
8.1 Deposits in Eastern Continents
8.1.1 Asia
India, Russia
Afghanistan, Indonesia, Japan, Russia
8.1.2 Africa
South Africa
Ethiopia, Kenya, Tanzania
8.1.3 Europe
Iceland
Greece, Hungary, Iceland, Italy, Turkey
8.1.4 Others
Not Yet Found
Not Yet Found
8.2 Deposits in Western Continents
8.2.1 North America
Canada, USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
8.2.2 South America
Brazil
Argentina, Chile, Ecuador, Peru
8.3 Deposits in Oceania Continent
8.3.1 Australia
Not Yet Found
New Zealand, Western Australia