Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
Talc carbonate is nothing but a rock sequence or a mineral composition found in metamorphic ultramafic rocks.
Origin
Unknown
China, USA, Middle east
Discoverer
Unknown
Unknown
Etymology
From French anorthose plagioclase + -ite1
From medieval Latin, talcum
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Group
Plutonic
Not Applicable
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
Texture
Foliated, Glassy
Very Soft
Color
Black, Bluish - Grey, Brown, Green, Grey, Light Greenish Grey, Pink, White
Colourless, Grey, White
Durability
Durable
Durable
Appearance
Layered, Banded, Veined and Shiny
Soft
Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
Decorative Aggregates, Interior Decoration
Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
Garden Decoration
Other Architectural Uses
Curbing
Powder
Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate
Source of calcium
Medical Industry
Not Yet Used
Taken as a Supplement for Calcium or Magnesium
Antiquity Uses
Artifacts, Sculpture, Small Figurines
Artifacts, Jewellery, Monuments, Sculpture, Small Figurines
Commercial Uses
Creating Artwork, Curling
Manufacturing of baby powder
Types
Proterozoic Anorthosite and Archean Anorthosite
Not Available
Features
Generally rough to touch, Is one of the oldest rock
Easily splits into thin plates, Generally rough to touch, Host Rock for Lead
Archaeological Significance
Monuments
Not Yet Used
Used
Famous Monuments
Not Applicable
Data Not Available
Famous Sculptures
Not Applicable
Data Not Available
Pictographs
Not Used
Used
Petroglyphs
Not Used
Not Used
Formation
Anorthosite is a phaneritic, intrusive igneous rock which is characterized by a predominance of plagioclase feldspar which is almost 90–100%, and a minimal mafic component.
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.
Mineral Content
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene
Carbonate, Chlorite, Magnesium
Compound Content
Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide
CaO, Carbon Dioxide, MgO
Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism
Types of Weathering
Biological Weathering
Not Applicable
Types of Erosion
Chemical Erosion, Wind Erosion
Not Applicable
Grain Size
Coarse Grained
Fine Grained
Porosity
Less Porous
Less Porous
Luster
Pearly to Subvitreous
Pearly
Compressive Strength
Not Available
Cleavage
Irregular
Perfect
Toughness
Not Available
1
Specific Gravity
2.62-2.82
2.86
Transparency
Translucent
Translucent
Density
2.7-4 g/cm3
2.8-2.9 g/cm3
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant
Heat Resistant, Wear Resistant
Deposits in Eastern Continents
Asia
Not Yet Found
Not Yet Found
Africa
Not Yet Found
Ethiopia, Ghana, Western Africa
Europe
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
England
Others
Not Yet Found
Not Yet Found
Deposits in Western Continents
North America
Canada
Canada, USA
South America
Bolivia, Colombia
Argentina, Bolivia, Uruguay
Deposits in Oceania Continent
Australia
Central Australia, South Australia, Western Australia
Central Australia, South Australia, Western Australia
All about Anorthosite and Talc carbonate Properties
Know all about Anorthosite and Talc carbonate properties here. All properties of rocks are important as they define the type of rock and its application. Anorthosite belongs to Igneous Rocks while Talc carbonate belongs to Metamorphic Rocks.Texture of Anorthosite is Foliated, Glassy whereas that of Talc carbonate is Very Soft. Anorthosite appears Layered, Banded, Veined and Shiny and Talc carbonate appears Soft. The luster of Anorthosite is pearly to subvitreous while that of Talc carbonate is pearly. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas Talc carbonate is available in colourless, grey, white colors. The commercial uses of Anorthosite are creating artwork, curling and that of Talc carbonate are manufacturing of baby powder.