Oolite

Mugearite

Oolite and Mugearite

Oolite

Mugearite

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Definition

Oolite is a sedimentary rock formed from ooids, spherical grains which are composed of concentric layers of calcite

Mugearite is a type of oligoclase bearing basalt, also comprising of olivine, apatite, and opaque oxides

History

Origin

Skye, Scotland

Discoverer

William Smith

Alfred Harker

Etymology

From oo- + -lite, after German Oolit. A rock consisting of fine grains of carbonate of lime

From mugear +‎ -ite

Class

Sedimentary Rocks

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Volcanic

Other Categories

Fine Grained Rock, Opaque Rock

Opaque Rock

Texture

Clastic or Non-Clastic

Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

Black, Blue, Brown, Cream, Green, Grey, Pink, Red, Silver, White, Yellow

Black, Brown, Light to Dark Grey

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Rounded and Rough

Dull and Soft

Uses

Architecture

Interior Uses

Decorative Aggregates, Flooring, Interior Decoration

Floor Tiles, Flooring, Homes, Hotels

Exterior Uses

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

As Building Stone, Garden Decoration

Other Architectural Uses

Curbing

Industry

Construction Industry

Cement Manufacture, Cobblestones, Landscaping

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

Antiquity Uses

Artifacts

Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Creating Artwork, Jewelry, Used in aquariums

Creating Artwork

Types

Pisolitic Oolite and Oncolitic Oolite

Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite

Features

Available in lots of colors, Generally rough to touch, Very fine grained rock

Has High structural resistance against erosion and climate, Very fine grained rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Present

Absent

Formation

Oolites form when layers of calcite are deposited around a sand grain or fossil piece and are rolled around in calm water, which makes them round.

Mugearite forms when lava reaches the Earth's surface near an active volcano. The temperature of lava is between 1100 to 1250° C when it gets to the surface.

Composition

Mineral Content

Calcite, Chert, Clay, Dolomite, Quartz, Sand, Silt

Olivine, Plagioclase, Pyroxene

Compound Content

Aluminium Oxide, Ca, NaCl, CaO, Iron(III) Oxide, FeO, MgO

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

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Impact Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Biological Weathering, Chemical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion

Properties

Physical Properties

Hardness

3-46

1 7

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Grain Size

Fine Grained

Fracture

Conchoidal

Streak

White

White to Grey

Porosity

Less Porous

Luster

Pearly to Shiny

Compressive Strength

40.00 N/mm²37.50 N/mm²

0.15 450

👆🏻

Cleavage

Toughness

2.3

Specific Gravity

-99992.8-3

0 8.4

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Transparency

Opaque

Density

-9999 g/cm³2.9-3.1 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.65 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Wear Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam

India, Russia

Africa

Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe

South Africa

Europe

United Kingdom

Iceland

Others

Deposits in Western Continents

North America

USA

Canada, USA

South America

Colombia

Brazil

Deposits in Oceania Continent

Australia

Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula

All about Oolite and Mugearite Properties

Know all about Oolite and Mugearite properties here. All properties of rocks are important as they define the type of rock and its application. Oolite belongs to Sedimentary Rocks while Mugearite belongs to Igneous Rocks.Texture of Oolite is Clastic or Non-Clastic whereas that of Mugearite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Oolite appears Rounded and Rough and Mugearite appears Dull and Soft. The luster of Oolite is pearly to shiny while that of Mugearite is . Oolite is available in black, blue, brown, cream, green, grey, pink, red, silver, white, yellow colors whereas Mugearite is available in black, brown, light to dark grey colors. The commercial uses of Oolite and Mugearite are creating artwork, jewelry, used in aquariums.