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Tachylite
Tachylite

Hornfels
Hornfels



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Tachylite vs Hornfels

1 Definition
1.1 Definition
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt
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
1.2 History
1.2.1 Origin
Iceland
New Zealand
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From German Tachylite, from tachy- + Greek lutos soluble, melting
From German which means hornstone
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Volcanic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Vitreous
Granular, Platy
2.2 Color
Black, Dark Brown
Brown, Dark Greenish - Grey, Green, Reddish Brown
2.3 Maintenance
More
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Igneous Rocks Rocks have it !
81% Metamorphic Rocks Rocks have it !
2.4.2 Scratch Resistant
86% Igneous Rocks Rocks have it !
65% Metamorphic Rocks Rocks have it !
2.4.3 Stain Resistant
66% Igneous Rocks Rocks have it !
42% Metamorphic Rocks Rocks have it !
2.4.4 Wind Resistant
49% Igneous Rocks Rocks have it !
19% Metamorphic Rocks Rocks have it !
2.4.5 Acid Resistant
48% Igneous Rocks Rocks have it !
15% Metamorphic Rocks Rocks have it !
2.5 Appearance
Glassy
Dull
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Interior Decoration
Decorative Aggregates, Flooring, Homes, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
Cutting Tool, Knives, Landscaping, Scrapers
for Road Aggregate, Roadstone
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts
Artifacts, Monuments
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers, Creating Artwork
Cemetery Markers, Commemorative Tablets, Creating Artwork
4 Types
4.1 Types
Not Available
Biotite hornfels
4.2 Features
Available in Lots of Colors and Patterns, Clasts are smooth to touch, NA
Smooth to touch
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Used
4.3.2 Famous Monuments
Not Applicable
Data Not Available
4.3.3 Sculpture
Not Yet Used
Not Yet Used
4.3.4 Famous Sculptures
Not Applicable
Not Applicable
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Used
4.3.7 Figurines
Not Yet Used
Not Yet Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
Tachylite 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.
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.
5.2 Composition
5.2.1 Mineral Content
Feldspar, Olivine
Andalusite
5.2.2 Compound Content
Fe, Mg
Fe, Mg
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
50% Metamorphic Rocks Rocks have it !
5.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Not Applicable
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
65% Metamorphic Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
77% Metamorphic Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Sea Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5.5
2-3
6.1.2 Grain Size
Medium to Fine Coarse Grained
Fine Grained
6.1.3 Fracture
Conchoidal
Conchoidal
6.1.4 Streak
Vermilion
Unknown
6.1.5 Porosity
Less Porous
Highly Porous
6.1.6 Luster
Resinous
Shiny
6.1.7 Compressive Strength
Flint
206.00 N/mm2
Rank: 8 (Overall)
5.80 N/mm2
Rank: 31 (Overall)
Obsidian
ADD ⊕
6.1.8 Cleavage
Not Available
Perfect
6.1.9 Toughness
Not Available
Not Yet Found
6.1.10 Specific Gravity
2.4
3.4-3.9
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
3.058 g/cm3
0.25-0.30 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
0.56 kJ/Kg K
Rank: 22 (Overall)
0.84 kJ/Kg K
Rank: 15 (Overall)
Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Cambodia, Russia, South Korea
Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand
7.1.2 Africa
East Africa
Cameroon, East Africa, Tanzania, Western Africa
7.1.3 Europe
England, Germany, Hungary, Iceland, Scotland, Sweden
United Kingdom
7.1.4 Others
Hawaii Islands
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
USA
Canada, USA
7.2.2 South America
Not Yet Found
Bolivia, Brazil, Colombia, Ecuador
7.3 Deposits in Oceania Continent
7.3.1 Australia
Victoria
New South Wales, New Zealand, Queensland, Western Australia

Tachylite vs Hornfels 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 Tachylite and Hornfels Reserves. Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. 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. 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 Tachylite vs Hornfels information and Tachylite vs Hornfels characteristics in the upcoming sections.

Tachylite vs Hornfels 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. Tachylite vs Hornfels characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Tachylite and Properties of Hornfels. Learn more about Tachylite vs Hornfels in the next section. The interior uses of Tachylite include Decorative aggregates and Interior decoration whereas the interior uses of Hornfels include Decorative aggregates, Flooring, Homes and Interior decoration. Due to some exceptional properties of Tachylite and Hornfels, they have various applications in construction industry. The uses of Tachylite in construction industry include Cutting tool, Knives, Landscaping, Scrapers and that of Hornfels include For road aggregate, Roadstone.

More about Tachylite and Hornfels

Here you can know more about Tachylite and Hornfels. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Tachylite and Hornfels consists of mineral content and compound content. The mineral content of Tachylite includes Feldspar, Olivine and mineral content of Hornfels includes Andalusite. You can also check out the list of all Igneous Rocks. When we have to compare Tachylite vs Hornfels, the texture, color and appearance plays an important role in determining the type of rock. Tachylite is available in black, dark brown colors whereas, Hornfels is available in brown, dark greenish - grey, green, reddish brown colors. Appearance of Tachylite is Glassy and that of Hornfels is Dull. Properties of rock is another aspect for Tachylite vs Hornfels. The hardness of Tachylite is 5.5 and that of Hornfels is 2-3. The types of Tachylite are Not Available whereas types of Hornfels are Biotite hornfels. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Tachylite is vermilion while that of Hornfels is unknown. The specific heat capacity of Tachylite is 0.56 kJ/Kg K and that of Hornfels 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.Tachylite is heat resistant, impact resistant, wear resistant whereas Hornfels is heat resistant, impact resistant, pressure resistant.