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Anorthosite
Anorthosite

Basanite 
Basanite 



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Anorthosite
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Anorthosite vs Basanite 

Definition

Definition

Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone

History

Origin

-
-

Discoverer

Unknown
Unknown

Etymology

From French anorthose plagioclase + -ite1
From Latin basanites + -ite

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

Plutonic
-

Other Categories

Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Foliated, Glassy
Aphanitic to Porphyritic

Color

Black, Bluish - Grey, Brown, Green, Grey, Light Greenish Grey, Pink, White
Black, Brown, Green, Grey, Red, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Layered, Banded, Veined and Shiny
Glassy or Pearly

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
Decorative Aggregates, Homes

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration
As Building Stone, Garden Decoration, Office Buildings

Other Architectural Uses

Curbing
Whetstones

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, for Road Aggregate
Arrowheads, Construction Aggregate, Cutting Tool, Spear Points

Medical Industry

-
-

Antiquity Uses

Artifacts, Sculpture, Small Figurines
Artifacts, Monuments

Other Uses

Commercial Uses

Creating Artwork, Curling
As a touchstone, Creating Artwork, Gemstone, In fire-starting tools, Manufacture of tools, Metallurgical Flux, Jewelry, To ignite fire, Used in flintlock firearms

Types

Types

Proterozoic Anorthosite and Archean Anorthosite
Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite

Features

Generally rough to touch, Is one of the oldest rock
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate, Used as a touchstone

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

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.
Basanite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes.

Composition

Mineral Content

Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene
Augite, Feldspar, Ilmenite, Olivine, Plagioclase

Compound Content

Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide
Potassium Oxide, Sodium Oxide, Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

Cataclastic Metamorphism, Contact Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering
Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5-67
1 7
👆🏻

Grain Size

Coarse Grained
Fine Grained

Fracture

Irregular
Uneven, Splintery or Conchoidal

Streak

White
White

Porosity

Less Porous
Highly Porous

Luster

Pearly to Subvitreous
Waxy and Dull

Compressive Strength

180.00 N/mm2100.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
1.5

Specific Gravity

2.62-2.822.5-2.8
0 8.4
👆🏻

Transparency

Translucent
Translucent to Opaque

Density

2.7-4 g/cm32.7 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.74 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

-
-

Africa

-
Uganda

Europe

Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
Germany, Hungary, Italy, Spain

Others

-
Greenland, Mid-Atlantic Ridge

Deposits in Western Continents

North America

Canada
USA

South America

Bolivia, Colombia
Bolivia, Brazil

Deposits in Oceania Continent

Australia

Central Australia, South Australia, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia

Anorthosite vs Basanite  Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Anorthosite and Basanite  Reserves. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Basanite is a black basaltic rock which mainly contains plagioclase, augite, olivine and nepheline and is formerly used as a touchstone. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Anorthosite vs Basanite  information and Anorthosite vs Basanite  characteristics in the upcoming sections.

Anorthosite vs Basanite  Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Anorthosite vs Basanite  characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anorthosite and Properties of Basanite . Learn more about Anorthosite vs Basanite  in the next section. The interior uses of Anorthosite include Decorative aggregates, Floor tiles, Homes and Interior decoration whereas the interior uses of Basanite  include Decorative aggregates and Homes. Due to some exceptional properties of Anorthosite and Basanite , they have various applications in construction industry. The uses of Anorthosite in construction industry include As dimension stone, Cement manufacture, For road aggregate and that of Basanite  include Arrowheads, Construction aggregate, Cutting tool, Spear points.

More about Anorthosite and Basanite 

Here you can know more about Anorthosite and Basanite . The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anorthosite and Basanite  consists of mineral content and compound content. The mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene and mineral content of Basanite  includes Augite, Feldspar, Ilmenite, Olivine, Plagioclase. You can also check out the list of all Igneous Rocks. When we have to compare Anorthosite vs Basanite , the texture, color and appearance plays an important role in determining the type of rock. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas, Basanite  is available in black, brown, green, grey, red, white colors. Appearance of Anorthosite is Layered, Banded, Veined and Shiny and that of Basanite  is Glassy or Pearly. Properties of rock is another aspect for Anorthosite vs Basanite . The hardness of Anorthosite is 5-6 and that of Basanite  is 7. The types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite whereas types of Basanite  are Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anorthosite and Basanite  is white. The specific heat capacity of Anorthosite is 0.84 kJ/Kg K and that of Basanite  is 0.74 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Anorthosite is heat resistant, impact resistant, pressure resistant, scratch resistant, wear resistant whereas Basanite  is heat resistant, impact resistant, pressure resistant, wear resistant.