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Comendite
Comendite




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Comendite Rock

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1 Definition
1.1 Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
1.2 History
1.2.1 Origin
Italy
1.2.2 Discoverer
Unknown
1.3 Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Volcanic
1.6 Other Categories
Medium Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Porphyritic
2.2 Color
Blue, Bluish - Grey
2.3 Maintenance
Less
2.4 Durability
Durable
2.4.1 Water Resistant
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
48% Igneous Rocks Rocks have it !
2.5 Appearance
Foliated
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Countertops, Decorative Aggregates, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
3.1.3 Other Architectural Uses
Curbing
3.2 Industry
3.2.1 Construction Industry
Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Raw material for the manufacture of mortar
3.2.2 Medical Industry
Not Yet Used
3.3 Antiquity Uses
Artifacts
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers
4 Types
4.1 Types
Rhyolite
4.2 Features
Very fine grained rock, It is One of the Oldest, Strongest and Hardest Rock
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
4.3.2 Famous Monuments
Not Applicable
4.3.3 Sculpture
Not Yet Used
4.3.4 Famous Sculptures
Not Applicable
4.3.5 Pictographs
Not Used
4.3.6 Petroglyphs
Not Used
4.3.7 Figurines
Not Yet Used
4.4 Fossils
Absent
5 Formation
5.1 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.
5.2 Composition
5.2.1 Mineral Content
Albite, Amphibole, Quartz
5.2.2 Compound Content
Al, Fe, Potassium Oxide
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Cataclastic Metamorphism, Regional Metamorphism
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Coastal Erosion, Water Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
6-7
6.1.2 Grain Size
Medium Grained
6.1.3 Fracture
Pervasive
6.1.4 Streak
Bluish Black
6.1.5 Porosity
Highly Porous
6.1.6 Luster
Dull
6.1.7 Compressive Strength
Flint
92.40 N/mm2
Rank: 21 (Overall)
Obsidian
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6.1.8 Cleavage
Not Available
6.1.9 Toughness
2
6.1.10 Specific Gravity
2.38
6.1.11 Transparency
Opaque
6.1.12 Density
Not Available
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
Banded iron for..
Not Available
Rank: N/A (Overall)
Granulite
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6.2.2 Resistance
Heat Resistant, Impact Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
China
7.1.2 Africa
East Africa
7.1.3 Europe
Italy
7.1.4 Others
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Not Yet Found
7.2.2 South America
Not Yet Found
7.3 Deposits in Oceania Continent
7.3.1 Australia
Queensland

Information about Comendite

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Comendite Uses. We have provided you with all information about Comendite rock here. Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. Comendite is available in blue, bluish - grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Comendite is bluish black. Get to know more about Comendite rock and characteristics of Comendite rock in the next sections.