1 Definition
1.1 Definition
Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From Greek phullon leaf + -ite1
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Medium Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Phyllitic Sheen, Slaty
Porphyritic
2.2 Color
Black to Grey, Light Greenish Grey
Blue, Bluish - Grey
2.3 Maintenance
2.4 Durability
2.4.1 Water Resistant
2.4.2 Scratch Resistant
2.4.3 Stain Resistant
2.4.4 Wind Resistant
2.4.5 Acid Resistant
2.5 Appearance
Crinkled or Wavy
Foliated
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
Countertops, Decorative Aggregates, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
As Building Stone, As Facing Stone, Garden Decoration
3.1.3 Other Architectural Uses
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Raw material for the manufacture of mortar, Roadstone
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
Not Yet Used
3.3 Antiquity Uses
Artifacts, Sculpture
Artifacts
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork, Writing Slates
Cemetery Markers
4 Types
4.1 Types
4.2 Features
Easily splits into thin plates, Is one of the oldest rock, Surfaces are often shiny
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
Not Yet Used
4.3.2 Famous Monuments
Not Applicable
Not Applicable
1.0.1 Sculpture
1.1.1 Famous Sculptures
Data Not Available
Not Applicable
1.2.1 Pictographs
1.2.3 Petroglyphs
1.2.5 Figurines
1.4 Fossils
2 Formation
2.1 Formation
Phyllite is a metamorphic rock which is formed by regional metamorphism of argillaceous sediments since their cleavage arose due to deviatoric stress.
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.
2.2 Composition
2.2.1 Mineral Content
Albite, Alusite, Amphibole, Apatite, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc, Zircon
Albite, Amphibole, Quartz
2.3.2 Compound Content
CaO, Carbon Dioxide, MgO
Al, Fe, Potassium Oxide
2.5 Transformation
2.5.1 Metamorphism
3.2.1 Types of Metamorphism
Not Applicable
Cataclastic Metamorphism, Regional Metamorphism
3.2.2 Weathering
3.4.1 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
3.4.3 Erosion
3.4.4 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion
Coastal Erosion, Water Erosion
4 Properties
4.1 Physical Properties
4.1.1 Hardness
7.3.3 Grain Size
Medium to Fine Coarse Grained
Medium Grained
7.3.5 Fracture
7.3.6 Streak
7.3.7 Porosity
Highly Porous
Highly Porous
7.3.9 Luster
7.3.11 Compressive Strength
8.1.6 Cleavage
Crenulation and Pervasive
Not Available
8.1.7 Toughness
8.1.9 Specific Gravity
8.1.11 Transparency
8.1.12 Density
2.18-3.3 g/cm3Not Available
0
1400
8.2 Thermal Properties
8.2.2 Specific Heat Capacity
8.2.7 Resistance
Heat Resistant, Pressure Resistant, Water Resistant
Heat Resistant, Impact Resistant
9 Reserves
9.1 Deposits in Eastern Continents
9.1.1 Asia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
China
9.1.2 Africa
Egypt, Ethiopia, Morocco, Nigeria, South Africa
East Africa
9.1.3 Europe
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
Italy
9.1.4 Others
Not Yet Found
Not Yet Found
9.2 Deposits in Western Continents
9.2.1 North America
Canada, Costa Rica, Cuba, Mexico, Panama, USA
Not Yet Found
9.2.2 South America
Brazil, Colombia, Guyana
Not Yet Found
9.3 Deposits in Oceania Continent
9.3.1 Australia
New South Wales, New Zealand, Queensland
Queensland