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Monzonite and Rhyolite


Rhyolite and Monzonite


Definition

Definition
Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase   
Rhyolite is a fine-grained igneous rock which is rich in silica   

History
  
  

Origin
Trento Province, Italy   
North America   

Discoverer
Unknown   
Ferdinand von Richthofen   

Etymology
From Mount Monzoni in the Tyrol, Italy, + -ite1   
From German Rhyolit, from Greek rhuax lava stream + lithos stone   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture

Texture
Phaneritic   
Aphanitic, Glassy, Porphyritic   

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

Maintenance
Less   
More   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
No   
Yes   

Acid Resistant
Yes   
Yes   

Appearance
Shiny   
Banded   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing   
Not Yet Used   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate   
Arrowheads, As Dimension Stone, Building houses or walls, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts   

Other Uses
  
  

Commercial Uses
Creating Artwork   
Gemstone, Laboratory bench tops, Jewelry   

Types

Types
Quartz Monzonite, Mangerite, Syenite and Diorite   
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.   

Features
Available in lots of colors, Is one of the oldest rock   
Acidic in nature, Available in lots of colors   

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Data Not Available   
Not Applicable   

Pictographs
Not Used   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

Formation
Monzonite 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.   
Rhyolite is a felsic extrusive rock and due to its high silica content, rhyolite lava is very viscous and is volcanic equivalent of granite.   

Composition
  
  

Mineral Content
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon   
Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide, Sodium   

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism   
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
6-7   
6-7   

Grain Size
Medium to Fine Coarse Grained   
Large and Coarse Grained   

Fracture
Not Available   
Sub-conchoidal   

Streak
White   
Colorless   

Porosity
Less Porous   
Highly Porous   

Luster
Subvitreous to Dull   
Earthy   

Compressive Strength
310.00 N/mm2   
2
140.00 N/mm2   
15

Cleavage
Not Available   
Not Available   

Toughness
Not Available   
2   

Specific Gravity
2.8-3   
2.65-2.67   

Transparency
Opaque   
Opaque   

Density
2.9-2.91 g/cm3   
2.4-2.6 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K   
10
Not Available   

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant   
Heat Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam   
China, India   

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

Europe
Bulgaria, England, Germany, Norway, Romania, Switzerland   
Germany, Iceland, Ireland, Italy, Spain   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
USA   
Canada, USA   

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

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Monzonite and Rhyolite Properties

Know all about Monzonite and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Monzonite and Rhyolite belong to Igneous Rocks.Texture of Monzonite is Phaneritic whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Monzonite appears Shiny and Rhyolite appears Banded. The luster of Monzonite is subvitreous to dull while that of Rhyolite is earthy. Monzonite is available in black, brown, light to dark grey, white colors whereas Rhyolite is available in grey, white, light black colors. The commercial uses of Monzonite are creating artwork and that of Rhyolite are gemstone, laboratory bench tops, jewelry.

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