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Hornfels
Hornfels

Charnockite
Charnockite



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Hornfels vs Charnockite

1 Definition
1.1 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
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
1.2 History
1.2.1 Origin
New Zealand
Tamil Nadu, India
1.2.2 Discoverer
Unknown
T. H. Holland
1.3 Etymology
From German which means hornstone
From Job Charnock, an administtrator of East India Company
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Not Applicable
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Granular, Platy
Granular
2.2 Color
Brown, Dark Greenish - Grey, Green, Reddish Brown
Black, Grey, Orange, Pink, White
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Metamorphic Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
65% Metamorphic Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
42% Metamorphic Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
19% Metamorphic Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
15% Metamorphic Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
2.5 Appearance
Dull
Veined or Pebbled
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Flooring, Homes, Interior Decoration
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
As Building Stone, As Facing Stone, Bridges, Paving Stone, Garden Decoration, Office Buildings, Resorts
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
for Road Aggregate, Roadstone
As Dimension Stone
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments
Artifacts, Monuments, Sculpture, Small Figurines
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork
Curling, Gemstone, Laboratory bench tops, Tombstones
4 Types
4.1 Types
Biotite hornfels
Enderbite
4.2 Features
Smooth to touch
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock
4.3 Archaeological Significance
4.3.1 Monuments
Used
Used
4.3.2 Famous Monuments
Data Not Available
Data Not Available
4.3.3 Sculpture
Not Yet Used
Used
4.3.4 Famous Sculptures
Not Applicable
Data Not Available
4.3.5 Pictographs
Used
Not Used
4.3.6 Petroglyphs
Used
Not Used
4.3.7 Figurines
Not Yet Used
Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 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.
Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.
5.2 Composition
5.2.1 Mineral Content
Andalusite
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz
5.2.2 Compound Content
Fe, Mg
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
5.3 Transformation
5.3.1 Metamorphism
50% Metamorphic Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism
5.3.3 Weathering
65% Metamorphic Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering
Biological Weathering
5.3.5 Erosion
77% Metamorphic Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Water Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
2-3
6-7
6.1.2 Grain Size
Fine Grained
Coarse Grained
6.1.3 Fracture
Conchoidal
Not Available
6.1.4 Streak
Unknown
White
6.1.5 Porosity
Highly Porous
Very Less Porous
6.1.6 Luster
Shiny
Not Available
6.1.7 Compressive Strength
Flint
5.80 N/mm2
Rank: 31 (Overall)
Not Available
Rank: N/A (Overall)
Obsidian
ADD ⊕
6.1.8 Cleavage
Perfect
Not Available
6.1.9 Toughness
Not Yet Found
Not Available
6.1.10 Specific Gravity
3.4-3.9
Not Available
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
0.25-0.30 g/cm3
2.6 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
0.84 kJ/Kg K
Rank: 15 (Overall)
Not Available
Rank: N/A (Overall)
Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
Heat Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
India
7.1.2 Africa
Cameroon, East Africa, Tanzania, Western Africa
East Africa, Ethiopia, Madagascar, Morocco, Mozambique
7.1.3 Europe
United Kingdom
Albania, Romania, Scotland, United Kingdom
7.1.4 Others
Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, USA
USA
7.2.2 South America
Bolivia, Brazil, Colombia, Ecuador
Brazil, Colombia, Venezuela
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, New Zealand, Queensland, Western Australia
Central Australia, Western Australia

Hornfels vs Charnockite 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 Charnockite 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. Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. 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 Charnockite information and Hornfels vs Charnockite characteristics in the upcoming sections.

Hornfels vs Charnockite 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 Charnockite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Hornfels and Properties of Charnockite. Learn more about Hornfels vs Charnockite in the next section. The interior uses of Hornfels include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Charnockite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Homes, Hotels, Kitchens and Stair treads. Due to some exceptional properties of Hornfels and Charnockite, they have various applications in construction industry. The uses of Hornfels in construction industry include For road aggregate, Roadstone and that of Charnockite include As dimension stone.

More about Hornfels and Charnockite

Here you can know more about Hornfels and Charnockite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Hornfels and Charnockite consists of mineral content and compound content. The mineral content of Hornfels includes Andalusite and mineral content of Charnockite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Hornfels vs Charnockite, 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, Charnockite is available in black, grey, orange, pink, white colors. Appearance of Hornfels is Dull and that of Charnockite is Veined or Pebbled. Properties of rock is another aspect for Hornfels vs Charnockite. The hardness of Hornfels is 2-3 and that of Charnockite is 6-7. The types of Hornfels are Biotite hornfels whereas types of Charnockite are Enderbite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Hornfels is unknown while that of Charnockite is white. The specific heat capacity of Hornfels is 0.84 kJ/Kg K and that of Charnockite is Not Available. 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 Charnockite is heat resistant, wear resistant.

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