Ijolite

Wehrlite

Ijolite and Wehrlite

Ijolite

Wehrlite

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Definition

Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite

Wehrlite is an ultramafic and ultrabasic rock that is a mixture of olivine and clinopyroxene. It is a subdivision of the peridotites

History

Origin

Finland, Europe

Egypt

Discoverer

Unknown

Alois Wehrle

Etymology

From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone

From the name of a professor, Alois Wehrle

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Plutonic

Other Categories

Coarse Grained Rock, Opaque Rock

Texture

Earthy, Granular

Banded

Color

Brown, Buff, Cream, Green, Grey, Pink, White

Dark Greenish - Grey, Green

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Banded and Foilated

Rough and Banded

Uses

Architecture

Interior Uses

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

Decorative Aggregates, Interior Decoration

Exterior Uses

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

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

As Dimension Stone, Cobblestones

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Cemetery Markers, Creating Artwork

Cemetery Markers, Creating Artwork, Gemstone, Jewelry

Types

Alkaline rock

Ultramafic rock

Features

Application of acids on the surface causes cloudy frosting, Available in Lots of Colors and Patterns, Is one of the oldest rock

Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Ijolite 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.

Wehrlite 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, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite

Pyroxene

Compound Content

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

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

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

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

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Coastal Erosion, Water Erosion

Properties

Physical Properties

Hardness

5.5-65.5-6

1 7

👆🏻

Grain Size

Coarse Grained

Fracture

Conchoidal to Uneven

Irregular

Streak

White

Porosity

Less Porous

Luster

Greasy to Dull

Metallic

Compressive Strength

190.00 N/mm²100.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

2.1

Specific Gravity

2.6-2.768.4

0 8.4

👆🏻

Transparency

Opaque

Density

2.6 g/cm³2.6-3.7 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.63 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant, Wear Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey

Africa

Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Morocco, South Africa

Europe

England, Finland, Germany, Great Britain, Greece, United Kingdom

Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland

Others

Deposits in Western Continents

North America

Canada, USA

South America

Colombia

Brazil

Deposits in Oceania Continent

Australia

New Zealand, Queensland, Western Australia

New Zealand, Western Australia

All about Ijolite and Wehrlite Properties

Know all about Ijolite and Wehrlite properties here. All properties of rocks are important as they define the type of rock and its application. Ijolite and Wehrlite belong to Igneous Rocks.Texture of Ijolite is Earthy, Granular whereas that of Wehrlite is Banded. Ijolite appears Banded and Foilated and Wehrlite appears Rough and Banded. The luster of Ijolite is greasy to dull while that of Wehrlite is metallic. Ijolite is available in brown, buff, cream, green, grey, pink, white colors whereas Wehrlite is available in dark greenish - grey, green colors. The commercial uses of Ijolite are cemetery markers, creating artwork and that of Wehrlite are cemetery markers, creating artwork, gemstone, jewelry.