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Blueschist
Blueschist

Talc carbonate
Talc carbonate



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Blueschist
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Talc carbonate

Blueschist and Talc carbonate

1 Definition
1.1 Definition
Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature
Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.
1.2 History
1.2.1 Origin
USA
China, USA, Middle east
1.2.2 Discoverer
Edgar Bailey
Unknown
1.3 Etymology
From French schiste, Greek skhistos i.e. split
From medieval Latin, talcum
1.4 Class
Metamorphic Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Foliated
Very Soft
2.2 Color
Blue, Bluish - Grey, Purple, Shades of Blue
Colourless, Grey, White
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Igneous Rocks Rocks have it !
81% Metamorphic Rocks Rocks have it !
2.4.2 Scratch Resistant
86% Igneous Rocks Rocks have it !
65% Metamorphic Rocks Rocks have it !
2.4.3 Stain Resistant
66% Igneous Rocks Rocks have it !
42% Metamorphic Rocks Rocks have it !
2.4.4 Wind Resistant
49% Igneous Rocks Rocks have it !
19% Metamorphic Rocks Rocks have it !
2.4.5 Acid Resistant
48% Igneous Rocks Rocks have it !
15% Metamorphic Rocks Rocks have it !
2.5 Appearance
Dull and Banded
Soft
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Floor Tiles, Flooring, Homes, Hotels, Kitchens
Decorative Aggregates, Interior Decoration
3.1.2 Exterior Uses
Garden Decoration, Office Buildings
Garden Decoration
3.1.3 Other Architectural Uses
Not Yet Used
Powder
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
Source of calcium
3.2.2 Medical Industry
Not Yet Used
Taken as a Supplement for Calcium or Magnesium
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture
Artifacts, Jewellery, Monuments, Sculpture, Small Figurines
3.4 Other Uses
3.4.1 Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Tombstones
Manufacturing of baby powder
4 Types
4.1 Types
Not Available
Not Available
4.2 Features
Has High structural resistance against erosion and climate, Very fine grained rock
Easily splits into thin plates, Generally rough to touch, Host Rock for Lead
4.3 Archaeological Significance
4.3.1 Monuments
Used
Used
4.3.2 Famous Monuments
Data Not Available
Data Not Available
4.3.3 Sculpture
Used
Used
4.3.4 Famous Sculptures
Data Not Available
Data Not Available
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Not Used
4.3.7 Figurines
Used
Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
Blueschist forms due to the metamorphism of basalt and other rocks with similar composition at high pressures and low temperatures and approximately corresponding to a depth of 15 to 30 kilometers and 200 to 500 °C.
Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Talc Carbonate is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
5.2 Composition
5.2.1 Mineral Content
Albite, Chlorite, Epidote, Garnet, Glaucophane, Lawsonite, Muscovite or Illite, Quartz
Carbonate, Chlorite, Magnesium
5.2.2 Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
CaO, Carbon Dioxide, MgO
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
50% Metamorphic Rocks Rocks have it !
5.3.2 Types of Metamorphism
Not Applicable
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
65% Metamorphic Rocks Rocks have it !
5.3.4 Types of Weathering
Mechanical Weathering
Not Applicable
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
77% Metamorphic Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion
Not Applicable
6 Properties
6.1 Physical Properties
6.1.1 Hardness
3.5-4
1-2
6.1.2 Grain Size
Fine to Medium Grained
Fine Grained
6.1.3 Fracture
Conchoidal
Flat
6.1.4 Streak
White to Grey
White
6.1.5 Porosity
Highly Porous
Less Porous
6.1.6 Luster
Dull
Pearly
6.1.7 Compressive Strength
What Is Flint
Not Available
Rank: N/A (Overall)
250.00 N/mm2
Rank: 4 (Overall)
What Is Obsidian
ADD ⊕
6.1.8 Cleavage
Slaty
Perfect
6.1.9 Toughness
1.5
1
6.1.10 Specific Gravity
3-3.2
2.86
6.1.11 Transparency
Opaque
Translucent
6.1.12 Density
2.8-2.9 g/cm3
2.8-2.9 g/cm3
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
What Is Banded ..
Not Available
Rank: N/A (Overall)
0.92 kJ/Kg K
Rank: 10 (Overall)
What Is Granulite
ADD ⊕
6.2.2 Resistance
Impact Resistant, Pressure Resistant
Heat Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Japan, Turkey
Not Yet Found
7.1.2 Africa
Egypt, Ethiopia, South Africa
Ethiopia, Ghana, Western Africa
7.1.3 Europe
France, Greece, Iceland
England
7.1.4 Others
Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
USA
Canada, USA
7.2.2 South America
Not Yet Found
Argentina, Bolivia, Uruguay
7.3 Deposits in Oceania Continent
7.3.1 Australia
New Zealand
Central Australia, South Australia, Western Australia

All about Blueschist and Talc carbonate Properties

Know all about Blueschist and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Blueschist and Talc carbonate belong to Metamorphic Rocks.Texture of Blueschist is Foliated whereas that of Talc carbonate is Very Soft. Blueschist appears Dull and Banded and Talc carbonate appears Soft. The luster of Blueschist is dull while that of Talc carbonate is pearly. Blueschist is available in blue, bluish - grey, purple, shades of blue colors whereas Talc carbonate is available in colourless, grey, white colors. The commercial uses of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones and that of Talc carbonate are manufacturing of baby powder.