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Suevite and Hornfels


Hornfels and Suevite


Definition

Definition
During the impact melted material forming a breccia containing glass and crystal or lithic fragments together form Suevite rock.  
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  

History
  
  

Origin
Canada, Germany  
New Zealand  

Discoverer
Unknown  
Unknown  

Etymology
No etymologies found  
From German which means hornstone  

Class
Metamorphic Rocks  
Metamorphic Rocks  

Sub-Class
Durable Rock, Medium Hardness Rock  
Durable Rock, Soft Rock  

Family
  
  

Group
-  
-  

Other Categories
Coarse Grained Rock, Opaque Rock  
Fine Grained Rock, Opaque Rock  

Texture

Texture
Earthy  
Granular, Platy  

Color
Black, Brown, Green, Grey, Pink  
Brown, Dark Greenish - Grey, Green, Reddish Brown  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
No  

Stain Resistant
No  
No  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Banded  
Dull  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories  
for Road Aggregate, Roadstone  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Monuments, Sculpture  
Artifacts, Monuments  

Other Uses
  
  

Commercial Uses
As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Source of Magnesia (MgO)  
Cemetery Markers, Commemorative Tablets, Creating Artwork  

Types

Types
Phyllosilicates, Calcite  
Biotite hornfels  

Features
Host Rock for Lead  
Smooth to touch  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
Suevite is a metamorphic rock consisting partly of melted material, typically forming a breccia containing glass and crystal or lithic fragments, formed during an impact event.   
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.  

Composition
  
  

Mineral Content
Coesite, Quartz, Stishovite  
Andalusite  

Compound Content
CaO, Carbon Dioxide, MgO  
Fe, Mg  

Transformation
  
  

Metamorphism
Yes  
No  

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism  
-  

Weathering
No  
Yes  

Types of Weathering
-  
Biological Weathering  

Erosion
No  
Yes  

Types of Erosion
-  
Chemical Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion  

Properties

Physical Properties
  
  

Hardness
5.5  
2-3  

Grain Size
Coarse Grained  
Fine Grained  

Fracture
Uneven  
Conchoidal  

Streak
Light to dark brown  
-  

Porosity
Less Porous  
Highly Porous  

Luster
Earthy  
Shiny  

Compressive Strength
65.00 N/mm2  
36
5.80 N/mm2  
99+

Cleavage
-  
Perfect  

Toughness
-  
-  

Specific Gravity
2.86  
3.4-3.9  

Transparency
Opaque  
Opaque  

Density
2.8-2.9 g/cm3  
0.25-0.30 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K  
10
0.84 kJ/Kg K  
15

Resistance
Heat Resistant  
Heat Resistant, Impact Resistant, Pressure Resistant  

Reserves

Deposits in Eastern Continents
  
  

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

Africa
-  
Cameroon, East Africa, Tanzania, Western Africa  

Europe
England, France, Germany, Great Britain, Netherlands, Sweden, Switzerland, United Kingdom  
United Kingdom  

Others
-  
-  

Deposits in Western Continents
  
  

North America
-  
Canada, USA  

South America
-  
Bolivia, Brazil, Colombia, Ecuador  

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Suevite and Hornfels Properties

Know all about Suevite and Hornfels properties here. All properties of rocks are important as they define the type of rock and its application. Suevite and Hornfels belong to Metamorphic Rocks.Texture of Suevite is Earthy whereas that of Hornfels is Granular, Platy. Suevite appears Banded and Hornfels appears Dull. The luster of Suevite is earthy while that of Hornfels is shiny. Suevite is available in black, brown, green, grey, pink colors whereas Hornfels is available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo) and that of Hornfels are cemetery markers, commemorative tablets, creating artwork.

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