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Anorthosite
Anorthosite

Hawaiite
Hawaiite



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Anorthosite
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Anorthosite and Hawaiite

1 Definition
1.1 Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite
1.2 History
1.2.1 Origin
Unknown
Hawaii Islands
1.2.2 Discoverer
Unknown
Joseph Iddings
1.3 Etymology
From French anorthose plagioclase + -ite1
From Hawaii Islands
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Opaque Rock
2 Texture
2.1 Texture
Foliated, Glassy
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular
2.2 Color
Black, Bluish - Grey, Brown, Green, Grey, Light Greenish Grey, Pink, White
Black, Brown, Light to Dark Grey
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Igneous Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
86% Igneous Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
66% Igneous Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
49% Igneous Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
48% Igneous Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
2.5 Appearance
Layered, Banded, Veined and Shiny
Dull and Soft
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration
Decorative Aggregates, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Sculpture, Small Figurines
Artifacts
3.4 Other Uses
3.4.1 Commercial Uses
Creating Artwork, Curling
Creating Artwork, Sea Defence
4 Types
4.1 Types
Proterozoic Anorthosite and Archean Anorthosite
Not Available
4.2 Features
Generally rough to touch, Is one of the oldest rock
Has High structural resistance against erosion and climate, Very fine grained rock
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Used
4.3.2 Famous Monuments
Not Applicable
Easter Island in the Polynesian Triangle, Pacific Ocean
4.3.3 Sculpture
Used
Not Yet Used
4.3.4 Famous Sculptures
Not Applicable
Not Applicable
4.3.5 Pictographs
Not Used
Used
4.3.6 Petroglyphs
Not Used
Used
4.3.7 Figurines
Used
Not Yet Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 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.
Hawaiite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes and reach the Earth's surface.
5.2 Composition
5.2.1 Mineral Content
Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene
Olivine, Plagioclase, Pyroxene
5.2.2 Compound Content
Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism
Impact Metamorphism
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering
Biological Weathering
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Wind Erosion
Not Applicable
6 Properties
6.1 Physical Properties
6.1.1 Hardness
5-6
6
6.1.2 Grain Size
Coarse Grained
Not Applicable
6.1.3 Fracture
Irregular
Conchoidal
6.1.4 Streak
White
Not Available
6.1.5 Porosity
Less Porous
Less Porous
6.1.6 Luster
Pearly to Subvitreous
Not Available
6.1.7 Compressive Strength
What Is Flint
Not Available
Rank: N/A (Overall)
37.40 N/mm2
Rank: 28 (Overall)
What Is Obsidian
ADD ⊕
6.1.8 Cleavage
Irregular
Not Applicable
6.1.9 Toughness
Not Available
Not Available
6.1.10 Specific Gravity
2.62-2.82
Not Available
6.1.11 Transparency
Translucent
Opaque
6.1.12 Density
2.7-4 g/cm3
Not Available
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
What Is Banded ..
0.84 kJ/Kg K
Rank: 15 (Overall)
Not Available
Rank: N/A (Overall)
What Is Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Not Yet Found
India, Russia
7.1.2 Africa
Not Yet Found
South Africa
7.1.3 Europe
Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic
Iceland
7.1.4 Others
Not Yet Found
Hawaii Islands
7.2 Deposits in Western Continents
7.2.1 North America
Canada
Canada, USA
7.2.2 South America
Bolivia, Colombia
Brazil
7.3 Deposits in Oceania Continent
7.3.1 Australia
Central Australia, South Australia, Western Australia
Not Yet Found

All about Anorthosite and Hawaiite Properties

Know all about Anorthosite and Hawaiite properties here. All properties of rocks are important as they define the type of rock and its application. Anorthosite and Hawaiite belong to Igneous Rocks.Texture of Anorthosite is Foliated, Glassy whereas that of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Anorthosite appears Layered, Banded, Veined and Shiny and Hawaiite appears Dull and Soft. The luster of Anorthosite is pearly to subvitreous while that of Hawaiite is not available. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas Hawaiite is available in black, brown, light to dark grey colors. The commercial uses of Anorthosite are creating artwork, curling and that of Hawaiite are creating artwork, sea defence.