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Mylonite
Mylonite

Hornblendite
Hornblendite



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Mylonite
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Hornblendite

Mylonite vs Hornblendite

Definition

Definition

Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism
Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock

History

Origin

New Zealand
-

Discoverer

Unknown
Unknown

Etymology

From Greek mulōn mill + -ite
From German, Horn horn + blende

Class

Metamorphic Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

-
Plutonic

Other Categories

Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Texture

Foliated
Banded, Foliated, Massive

Color

Black to Grey
Black, Brown, Green, Grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull, Banded and Foilated
Foliated

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration
Countertops, Decorative Aggregates, Entryways, Flooring, Homes, Hotels, Interior Decoration, Kitchens

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

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

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments
Artifacts, Sculpture, Small Figurines

Other Uses

Commercial Uses

Creating Artwork, Gemstone, Jewelry
Cemetery Markers, Commemorative Tablets, Creating Artwork

Types

Types

Blastomylonites, Ultramylonites and Phyllonites
Hornblende Gabbro and Hornblende Peridotite

Features

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

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Mylonites are ductilely deformed rocks formed by the accumulation of large shear strain, in ductile fault zones.
Hornblendite 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

Porphyroblasts
Amphibole, Calcite, Hornblade, Magnetite, Plagioclase, Wollastonite

Compound Content

Aluminium Oxide, Calcium Sulfate, Chromium(III) Oxide, Iron(III) Oxide, Magnesium Carbonate, Silicon Dioxide
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

Types of Metamorphism

-
-

Weathering

Types of Weathering

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

Erosion

Types of Erosion

Chemical Erosion, Sea Erosion, Wind Erosion
Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

3-46-7
1 7
👆🏻

Grain Size

Fine Grained
Medium to Coarse Grained

Fracture

Conchoidal
Irregular to Conchoidal

Streak

White
White to Grey

Porosity

Highly Porous
Less Porous

Luster

Shiny
Vitreous to Dull

Compressive Strength

1.28 N/mm2250.00 N/mm2
0.15 450
👆🏻

Cleavage

Conchoidal
-

Toughness

-
2.3

Specific Gravity

2.97-3.052.5
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.6-4.8 g/cm32.85-3.07 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

1.50 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Indonesia, Saudi Arabia, South Korea
Russia, Turkey

Africa

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

Europe

England, Finland, France, Germany, Great Britain, Greece, United Kingdom
Germany, Greece, Iceland, Norway, Poland

Others

-
-

Deposits in Western Continents

North America

USA
Canada, USA

South America

-
Brazil

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
South Australia, Western Australia

Mylonite vs Hornblendite 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 Mylonite and Hornblendite Reserves. Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock. 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 Mylonite vs Hornblendite information and Mylonite vs Hornblendite characteristics in the upcoming sections.

Mylonite vs Hornblendite 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. Mylonite vs Hornblendite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Mylonite and Properties of Hornblendite. Learn more about Mylonite vs Hornblendite in the next section. The interior uses of Mylonite include Decorative aggregates and Interior decoration whereas the interior uses of Hornblendite include Countertops, Decorative aggregates, Entryways, Flooring, Homes, Hotels, Interior decoration and Kitchens. Due to some exceptional properties of Mylonite and Hornblendite, they have various applications in construction industry. The uses of Mylonite in construction industry include For road aggregate, Landscaping, Roadstone and that of Hornblendite include As dimension stone, Building houses or walls, Cobblestones, Construction aggregate, For road aggregate, Landscaping, Production of glass and ceramics, Roadstone.

More about Mylonite and Hornblendite

Here you can know more about Mylonite and Hornblendite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Mylonite and Hornblendite consists of mineral content and compound content. The mineral content of Mylonite includes Porphyroblasts and mineral content of Hornblendite includes Amphibole, Calcite, Hornblade, Magnetite, Plagioclase, Wollastonite. You can also check out the list of all Metamorphic Rocks. When we have to compare Mylonite vs Hornblendite, the texture, color and appearance plays an important role in determining the type of rock. Mylonite is available in black to grey colors whereas, Hornblendite is available in black, brown, green, grey colors. Appearance of Mylonite is Dull, Banded and Foilated and that of Hornblendite is Foliated. Properties of rock is another aspect for Mylonite vs Hornblendite. The hardness of Mylonite is 3-4 and that of Hornblendite is 6-7. The types of Mylonite are Blastomylonites, Ultramylonites and Phyllonites whereas types of Hornblendite are Hornblende Gabbro and Hornblende Peridotite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Mylonite is white while that of Hornblendite is white to grey. The specific heat capacity of Mylonite is 1.50 kJ/Kg K and that of Hornblendite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Mylonite is heat resistant, impact resistant, pressure resistant whereas Hornblendite is heat resistant, pressure resistant, wear resistant.