×

Hornfels
Hornfels

Serpentinite
Serpentinite



ADD
Compare
X
Hornfels
X
Serpentinite

Hornfels vs Serpentinite

Definition

Definition

Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock
A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.

History

Origin

New Zealand
USA

Discoverer

Unknown
Unknown

Etymology

From German which means hornstone
From English word serpentinization.

Class

Metamorphic Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
-

Other Categories

Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Granular, Platy
Earthy

Color

Brown, Dark Greenish - Grey, Green, Reddish Brown
Black, Brown, Green, Grey, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull
Rough and Dull

Uses

Architecture

Interior Uses

Decorative Aggregates, Flooring, Homes, Interior Decoration
Decorative Aggregates, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

for Road Aggregate, Roadstone
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments
Artifacts, Jewellery, Monuments, Sculpture

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Creating Artwork
Commemorative Tablets, Creating Artwork

Types

Types

Biotite hornfels
Jadeitite

Features

Smooth to touch
Host Rock for Lead

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Hornfels is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Serpentinite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

Composition

Mineral Content

Andalusite
Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides

Compound Content

Fe, Mg
Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism

Weathering

Types of Weathering

Biological Weathering
-

Erosion

Types of Erosion

Chemical Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Wind Erosion

Properties

Physical Properties

Hardness

2-33-5
1 7
👆🏻

Grain Size

Fine Grained
Very fine-grained

Fracture

Conchoidal
Uneven

Streak

-
White, Greenish White or Grey

Porosity

Highly Porous
Less Porous

Luster

Shiny
Waxy and Dull

Compressive Strength

5.80 N/mm2310.00 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
-

Toughness

-
7

Specific Gravity

3.4-3.92.79-3
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

0.25-0.30 g/cm32.5-3 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.95 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant
Heat Resistant

Reserves

Deposits in Eastern Continents

Asia

Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
India, Saudi Arabia, Singapore, South Korea

Africa

Cameroon, East Africa, Tanzania, Western Africa
Ethiopia, Western Africa

Europe

United Kingdom
England, Georgia, Switzerland, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada, USA
Canada

South America

Bolivia, Brazil, Colombia, Ecuador
Colombia

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland, Western Australia
Central Australia, New South Wales, New Zealand, Western Australia

Hornfels vs Serpentinite 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 Hornfels and Serpentinite Reserves. Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.. 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 Hornfels vs Serpentinite information and Hornfels vs Serpentinite characteristics in the upcoming sections.

Hornfels vs Serpentinite 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. Hornfels vs Serpentinite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Hornfels and Properties of Serpentinite. Learn more about Hornfels vs Serpentinite in the next section. The interior uses of Hornfels include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Serpentinite include Decorative aggregates and Interior decoration. Due to some exceptional properties of Hornfels and Serpentinite, they have various applications in construction industry. The uses of Hornfels in construction industry include For road aggregate, Roadstone and that of Serpentinite include As dimension stone, Cement manufacture, For road aggregate, Making natural cement.

More about Hornfels and Serpentinite

Here you can know more about Hornfels and Serpentinite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Hornfels and Serpentinite consists of mineral content and compound content. The mineral content of Hornfels includes Andalusite and mineral content of Serpentinite includes Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides. You can also check out the list of all Metamorphic Rocks. When we have to compare Hornfels vs Serpentinite, the texture, color and appearance plays an important role in determining the type of rock. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas, Serpentinite is available in black, brown, green, grey, white colors. Appearance of Hornfels is Dull and that of Serpentinite is Rough and Dull. Properties of rock is another aspect for Hornfels vs Serpentinite. The hardness of Hornfels is 2-3 and that of Serpentinite is 3-5. The types of Hornfels are Biotite hornfels whereas types of Serpentinite are Jadeitite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Hornfels is while that of Serpentinite is white, greenish white or grey. The specific heat capacity of Hornfels is 0.84 kJ/Kg K and that of Serpentinite is 0.95 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Hornfels is heat resistant, impact resistant, pressure resistant whereas Serpentinite is heat resistant.