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Rhyolite vs Shoshonite


Shoshonite vs Rhyolite


Definition

Definition
Rhyolite is a fine-grained igneous rock which is rich in silica   
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass   

History
  
  

Origin
North America   
Wyoming,USA   

Discoverer
Ferdinand von Richthofen   
Iddings   

Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone   
From the place of origin called Shoshone riverin Wyoming   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture

Texture
Aphanitic, Glassy, Porphyritic   
Porphyritic   

Color
Grey, White, Light Black   
Brown- Black, Dark Brown   

Maintenance
More   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
Yes   
Yes   

Appearance
Banded   
Dull   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes, Hotels, Interior Decoration, Kitchens   
Decorative Aggregates, Homes, Interior Decoration   

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

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
Arrowheads, As Dimension Stone, Building houses or walls, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives   
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts   
Sculpture   

Other Uses
  
  

Commercial Uses
Gemstone, Laboratory bench tops, Jewelry   
Cemetery Markers, Creating Artwork   

Types

Types
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.   
Not Available   

Features
Acidic in nature, Available in lots of colors   
Has High structural resistance against erosion and climate, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Not Yet Used   

Famous Monuments
Not Applicable   
Not Applicable   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Not Yet Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Rhyolite is a felsic extrusive rock and due to its high silica content, rhyolite lava is very viscous and is volcanic equivalent of granite.   
Shoshonite 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
Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz   
Pyroxene   

Compound Content
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide, Sodium   
Aluminium Oxide, Iron(III) Oxide, Potassium Oxide, Sodium Oxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism   
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
6-7   
6   

Grain Size
Large and Coarse Grained   
Medium to Fine Coarse Grained   

Fracture
Sub-conchoidal   
Uneven   

Streak
Colorless   
White to Grey   

Porosity
Highly Porous   
Less Porous   

Luster
Earthy   
Dull   

Compressive Strength
140.00 N/mm2   
15
Not Available   

Cleavage
Not Available   
Poor   

Toughness
2   
1.6   

Specific Gravity
2.65-2.67   
2.98   

Transparency
Opaque   
Opaque   

Density
2.4-2.6 g/cm3   
2.9-3 g/cm3   

Thermal Properties
  
  

Resistance
Heat Resistant, Wear Resistant   
Heat Resistant, Pressure Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India   
India, Russia   

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa   
South Africa   

Europe
Germany, Iceland, Ireland, Italy, Spain   
Iceland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela   
Brazil   

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland, Western Australia   
Not Yet Found   

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Rhyolite vs Shoshonite 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 Rhyolite and Shoshonite Reserves. Rhyolite is a fine-grained igneous rock which is rich in silica. Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. 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 Rhyolite vs Shoshonite information and Rhyolite vs Shoshonite characteristics in the upcoming sections.

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Rhyolite vs Shoshonite 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. Rhyolite vs Shoshonite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Rhyolite and Properties of Shoshonite. Learn more about Rhyolite vs Shoshonite in the next section. The interior uses of Rhyolite include Decorative aggregates, Homes, Hotels, Interior decoration and Kitchens whereas the interior uses of Shoshonite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Rhyolite and Shoshonite, they have various applications in construction industry. The uses of Rhyolite in construction industry include Arrowheads, As dimension stone, Building houses or walls, Construction aggregate, Cutting tool, For road aggregate, Knives and that of Shoshonite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Rhyolite and Shoshonite

Here you can know more about Rhyolite and Shoshonite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Rhyolite and Shoshonite consists of mineral content and compound content. The mineral content of Rhyolite includes Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz and mineral content of Shoshonite includes Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Rhyolite vs Shoshonite, the texture, color and appearance plays an important role in determining the type of rock. Rhyolite is available in grey, white, light black colors whereas, Shoshonite is available in brown- black, dark brown colors. Appearance of Rhyolite is Banded and that of Shoshonite is Dull. Properties of rock is another aspect for Rhyolite vs Shoshonite. The hardness of Rhyolite is 6-7 and that of Shoshonite is 6. The types of Rhyolite are Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks. whereas types of Shoshonite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Rhyolite is colorless while that of Shoshonite is white to grey. The specific heat capacity of Rhyolite is Not Available and that of Shoshonite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Rhyolite is heat resistant, wear resistant whereas Shoshonite is heat resistant, pressure resistant.

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