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Minette
Minette

Schist
Schist



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Minette and Schist

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1 Definition
1.1 Definition
Minette is a variety of Lamprophyre and is porphyritic alkaline igneous rock which is mainly dominated by biotite and potassic feldspar
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From French mine ore, mine + ette
From French schiste, Greek skhistos i.e. split
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Porphyritic
Foliated, Platy
2.2 Color
Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey
Black, Blue, Brown, Dark Brown, Green, Grey, Silver
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
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
Dull, Banded and Foilated
Layered and Shiny
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Countertops, Decorative Aggregates, Interior Decoration
Decorative Aggregates, Floor Tiles, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
Garden Decoration, Paving Stone
3.1.3 Other Architectural Uses
Curbing
Not Yet Used
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
As Dimension Stone, Building houses or walls, Cement Manufacture, for Road Aggregate, Roadstone
3.2.2 Medical Industry
Taken as a Supplement for Calcium or Magnesium
Not Yet Used
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines
Artifacts
3.4 Other Uses
3.4.1 Commercial Uses
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)
Used in aquariums, Writing Slates
4 Types
4.1 Types
Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite
Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.
4.2 Features
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny
Easily splits into thin plates, Smooth to touch
4.3 Archaeological Significance
4.3.1 Monuments
Used
Not Yet Used
4.3.2 Famous Monuments
Data Not Available
Not Applicable
4.3.3 Sculpture
Used
Not Yet Used
4.3.4 Famous Sculptures
Data Not Available
Not Applicable
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Used
4.3.7 Figurines
Used
Not Yet Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
Minette formation takes place deep beneath the Earth’s surface at around 150 to 450 kms, and are erupted rapidly and violently.
Schist formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.
5.2 Composition
5.2.1 Mineral Content
Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene
Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc
5.2.2 Compound Content
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide
CaO, Carbon Dioxide, MgO
5.3 Transformation
5.3.1 Metamorphism
5.3.2 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Not Applicable
5.3.3 Weathering
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Sea Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5-63.5-4
Coal
1 7
6.1.2 Grain Size
Fine to Coarse Grained
Medium to Fine Coarse Grained
6.1.3 Fracture
Conchoidal
Conchoidal
6.1.4 Streak
White
White
6.1.5 Porosity
Very Less Porous
Highly Porous
6.1.6 Luster
Subvitreous to Dull
Shiny
6.1.7 Compressive Strength
NANA
What Is Obsidian
0.15 450
6.1.8 Cleavage
Conchoidal
Slaty
6.1.9 Toughness
Not Available
1.5
6.1.10 Specific Gravity
2.86-2.872.5-2.9
Granite
0 8.4
6.1.11 Transparency
Translucent to Opaque
Opaque
6.1.12 Density
2.95-2.96 g/cm32.8-2.9 g/cm3
Granite
0 1400
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
NANA
What Is Granulite
0.14 3.2
6.2.2 Resistance
Heat Resistant, Impact Resistant
Impact Resistant, Pressure Resistant, Water Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Russia
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam
7.1.2 Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
Egypt, Ethiopia, Morocco, Nigeria, South Africa
7.1.3 Europe
England, Hungary, Iceland, United Kingdom
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland
7.1.4 Others
Antarctica, Greenland
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
Canada, Mexico, USA
Canada, Costa Rica, Cuba, Mexico, Panama, USA
7.2.2 South America
Argentina, Colombia, Ecuador
Brazil, Colombia, Guyana
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland

All about Minette and Schist Properties

Know all about Minette and Schist properties here. All properties of rocks are important as they define the type of rock and its application. Minette belongs to Igneous Rocks while Schist belongs to Metamorphic Rocks.Texture of Minette is Porphyritic whereas that of Schist is Foliated, Platy. Minette appears Dull, Banded and Foilated and Schist appears Layered and Shiny. The luster of Minette is subvitreous to dull while that of Schist is shiny. Minette is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Schist is available in black, blue, brown, dark brown, green, grey, silver colors. The commercial uses of Minette are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Schist are used in aquariums, writing slates.