Mugearite and Amphibolite

Mugearite

Amphibolite

Amphibolite and Mugearite

Definition

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

Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase

History

Origin

Skye, Scotland

Unknown

Discoverer

Alfred Harker

Alexandre Brongniart

Etymology

From mugear +‎ -ite

From Amphibole + -ite

Class

Igneous Rocks

Metamorphic Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

Family

Group

Volcanic

Not Applicable

Other Categories

Opaque Rock

Coarse Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Banded, Foliated, Massive

Color

Black, Brown, Light to Dark Grey

Black, Brown, Green, Grey

Maintenance

Less

Durability

Durable

Water Resistant

Yes

Scratch Resistant

Yes

Stain Resistant

Yes

Wind Resistant

Acid Resistant

Yes

Appearance

Dull and Soft

Foliated

Uses

Architecture

Interior Uses

Floor Tiles, Flooring, Homes, Hotels

Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Kitchens

Exterior Uses

As Building Stone, Garden Decoration

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

As Dimension Stone, Building houses or walls, Cobblestones, Construction Aggregate, for Road Aggregate, Landscaping, Production of Glass and Ceramics, Roadstone

Medical Industry

Not Yet Used

Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts, Sculpture, Small Figurines

Other Uses

Commercial Uses

Creating Artwork

Cemetery Markers, Commemorative Tablets, Creating Artwork

Types

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

Hornblendite

Features

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

Clasts are smooth to touch, Matrix variable, Surfaces are often shiny

Archaeological Significance

Monuments

Used

Famous Monuments

Data Not Available

Sculpture

Used

Famous Sculptures

Data Not Available

Pictographs

Used

Not Used

Petroglyphs

Used

Not Used

Figurines

Used

Fossils

Absent

Formation

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.

Amphibolite is a coarse-grained metamorphic rock which forms by metamorphism of mafic igneous rocks like basalt and gabbro or from the metamorphism of clay-rich sedimentary rocks like marl or graywacke.

Composition

Mineral Content

Olivine, Plagioclase, Pyroxene

Amphibole, Andalusite, Biotite, Calcite, Epidote, Garnet, Hornblade, Kyanite, Magnetite, Olivine, Plagioclase, Pyroxene, Staurolite, Wollastonite

Compound Content

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

Transformation

Metamorphism

Yes

Types of Metamorphism

Burial Metamorphism, Impact Metamorphism

Not Applicable

Weathering

Yes

Types of Weathering

Biological Weathering, Chemical Weathering

Chemical Weathering, Mechanical Weathering

Erosion

Yes

Types of Erosion

Not Applicable

Chemical Erosion, Glacier Erosion, Sea Erosion, Wind Erosion

Properties

Physical Properties

Hardness

6-7

Grain Size

Not Applicable

Medium to Coarse Grained

Fracture

Conchoidal

Irregular to Conchoidal

Streak

White to Grey

Porosity

Less Porous

Luster

Not Available

Vitreous to Dull

Compressive Strength

37.50 N/mm²

Not Available

Cleavage

Not Applicable

Irregular

Toughness

2.3

Specific Gravity

2.8-3

2.5

Transparency

Opaque

Density

2.9-3.1 g/cm³

2.85-3.07 g/cm³

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K

Not Available

Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia

Russia, Turkey

Africa

South Africa

Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda

Europe

Iceland

Germany, Greece, Iceland, Norway, Poland

Others

Not Yet Found

Deposits in Western Continents

North America

Canada, USA

South America

Brazil

Deposits in Oceania Continent

Australia

Not Yet Found

South Australia, Western Australia

Summary >>

<< Reserves

All about Mugearite and Amphibolite Properties

Know all about Mugearite and Amphibolite properties here. All properties of rocks are important as they define the type of rock and its application. Mugearite belongs to Igneous Rocks while Amphibolite belongs to Metamorphic Rocks.Texture of Mugearite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Amphibolite is Banded, Foliated, Massive. Mugearite appears Dull and Soft and Amphibolite appears Foliated. The luster of Mugearite is not available while that of Amphibolite is vitreous to dull. Mugearite is available in black, brown, light to dark grey colors whereas Amphibolite is available in black, brown, green, grey colors. The commercial uses of Mugearite are creating artwork and that of Amphibolite are cemetery markers, commemorative tablets, creating artwork.