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What is Comendite?



Definition
0

Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite 0

History
0

Origin
Italy 0

Discoverer
Unknown 0

Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy 0

Class
Igneous Rocks 0

Sub-Class
Durable Rock, Hard Rock 0

Family
0

Group
Volcanic 0

Other Categories
Medium Grained Rock, Opaque Rock 0

Texture
0

Texture
Porphyritic 0

Color
Blue, Bluish - Grey 0

Maintenance
Less 0

Durability
Durable 0

Water Resistant
Yes 0

Scratch Resistant
Yes 0

Stain Resistant
Yes 0

Wind Resistant
Yes 0

Acid Resistant
Yes 0

Appearance
Foliated 0

Uses
0

Architecture
0

Interior Uses
Countertops, Decorative Aggregates, Interior Decoration 0

Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration 0

Other Architectural Uses
Curbing 0

Industry
0

Construction Industry
Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Raw material for the manufacture of mortar 0

Medical Industry
Not Yet Used 0

Antiquity Uses
Artifacts 0

Other Uses
0

Commercial Uses
Cemetery Markers 0

Types
0

Types
Rhyolite 0

Features
Very fine grained rock, It is One of the Oldest, Strongest and Hardest Rock 0

Archaeological Significance
0

Monuments
Not Yet Used 0

Famous Monuments
Not Applicable 0

Sculpture
Not Yet Used 0

Famous Sculptures
Not Applicable 0

Pictographs
Not Used 0

Petroglyphs
Not Used 0

Figurines
Not Yet Used 0

Fossils
Absent 0

Formation
0

Formation
Comendite is a type of Igneous rock which is formed due to cooling and solidification of lava or magma. It may form with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks. 0

Composition
0

Mineral Content
Albite, Amphibole, Quartz 0

Compound Content
Al, Fe, Potassium Oxide 0

Transformation
0

Metamorphism
Yes 0

Types of Metamorphism
Cataclastic Metamorphism, Regional Metamorphism 0

Weathering
Yes 0

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering 0

Erosion
Yes 0

Types of Erosion
Coastal Erosion, Water Erosion 0

Properties
0

Physical Properties
0

Hardness
6-7 0

Grain Size
Medium Grained 0

Fracture
Pervasive 0

Streak
Bluish Black 0

Porosity
Highly Porous 0

Luster
Dull 0

Compressive Strength
92.40 N/mm2 21

Cleavage
Not Available 0

Toughness
2 0

Specific Gravity
2.38 0

Transparency
Opaque 0

Density
Not Available 0

Thermal Properties
0

Specific Heat Capacity
Not Available 0

Resistance
Heat Resistant, Impact Resistant 0

Reserves
0

Deposits in Eastern Continents
0

Asia
China 0

Africa
East Africa 0

Europe
Italy 0

Others
Not Yet Found 0

Deposits in Western Continents
0

North America
Not Yet Found 0

South America
Not Yet Found 0

Deposits in Oceania Continent
0

Australia
Queensland 0

Summary >>
<< Reserves

Igneous Rocks

Learn more about Properties of Comendite

What is Comendite? In this section, we will learn more about properties of Comendite i.e. physical and thermal properties. Physical properties of Comendite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Comendite is 92.40 N/mm2. Streak of Comendite is bluish black while its cleavage is not available. Luster of Comendite is dull and its fracture is pervasive. Comendite is opaque in nature. Know all about Comendite, What is Comendite, its composition, features, facts and reserves in next sections.

Know about Composition of Comendite

What is Comendite composed of? Get to know about composition of Comendite here. Comendite definition gives information about the Formation of Comendite and its composition.The composition of Comendite can be further divided into mineral and compound content. The mineral content of Comendite rock includes Albite, Amphibole, Quartz and The compound content of Comendite rock includes Al, Fe, Potassium Oxide. Almost all rocks undergo transformation process. Know all about Comendite rock in next section.

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