Home
Compare Rocks


Anthracite vs Hawaiite


Hawaiite vs Anthracite


Definition

Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster   
Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite   

History
  
  

Origin
Pennsylvania, U.S.   
Hawaii Islands   

Discoverer
Unknown   
Joseph Iddings   

Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal   
From Hawaii Islands   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Opaque Rock   

Texture

Texture
Amorphous, Glassy   
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular   

Color
Black, Brown, Dark Brown, Grey, Light to Dark Grey   
Black, Brown, Light to Dark Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
No   

Wind Resistant
No   
Yes   

Acid Resistant
No   
No   

Appearance
Veined or Pebbled   
Dull and Soft   

Uses

Architecture
  
  

Interior Uses
Not Yet Used   
Decorative Aggregates, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens   

Exterior Uses
Not Yet Used   
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings   

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
Cement Manufacture, for Road Aggregate, Making natural cement, Steel Production   
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone   

Medical Industry
In Chemical and Pharmaceutical Industry, Manufacture of Aspirins   
Not Yet Used   

Antiquity Uses
Not Yet Used   
Artifacts   

Other Uses
  
  

Commercial Uses
Alumina Refineries, Electricity Generation, Liquid Fuel, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Paper Industry   
Creating Artwork, Sea Defence   

Types

Types
Semi-anthracite and Meta-anthracite   
Not Available   

Features
Helps in production of Heat and Electricity, Used as fossil fuel   
Has High structural resistance against erosion and climate, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Easter Island in the Polynesian Triangle, Pacific Ocean   

Sculpture
Not Yet Used   
Not Yet Used   

Famous Sculptures
Not Applicable   
Not Applicable   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Not Yet Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

Formation
Anthracite forms from the accumulation of plant debris in a swamp environment. When plant debris dies and falls into the swamp, the standing water of the swamp protects it from decay.   
Hawaiite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes and reach the Earth's surface.   

Composition
  
  

Mineral Content
Calcite, Clay, Clay Minerals   
Olivine, Plagioclase, Pyroxene   

Compound Content
Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur   
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Burial Metamorphism, Contact Metamorphism, Regional Metamorphism   
Impact Metamorphism   

Weathering
No   
Yes   

Types of Weathering
Not Applicable   
Biological Weathering   

Erosion
No   
No   

Types of Erosion
Not Applicable   
Not Applicable   

Properties

Physical Properties
  
  

Hardness
1-1.5   
6   

Grain Size
Medium to Fine Coarse Grained   
Not Applicable   

Fracture
Conchoidal   
Conchoidal   

Streak
Black   
Not Available   

Porosity
Less Porous   
Less Porous   

Luster
Shiny   
Not Available   

Compressive Strength
Not Available   
37.40 N/mm2   
28

Cleavage
Non-Existent   
Not Applicable   

Toughness
Not Available   
Not Available   

Specific Gravity
1.1-1.4   
Not Available   

Transparency
Opaque   
Opaque   

Density
1.25-2.5 g/cm3   
Not Available   

Thermal Properties
  
  

Specific Heat Capacity
1.32 kJ/Kg K   
4
Not Available   

Resistance
Heat Resistant, Water Resistant   
Heat Resistant, Pressure Resistant, Wear Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam   
India, Russia   

Africa
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania   
South Africa   

Europe
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom   
Iceland   

Others
Not Yet Found   
Hawaii Islands   

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA   
Canada, USA   

South America
Brazil, Chile, Colombia, Venezuela   
Brazil   

Deposits in Oceania Continent
  
  

Australia
New South Wales, Queensland, Victoria   
Not Yet Found   

Definition >>
<< All

Anthracite vs Hawaiite 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 Anthracite and Hawaiite Reserves. Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite. 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 Anthracite vs Hawaiite information and Anthracite vs Hawaiite characteristics in the upcoming sections.

Compare Metamorphic Rocks

Anthracite vs Hawaiite 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. Anthracite vs Hawaiite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anthracite and Properties of Hawaiite. Learn more about Anthracite vs Hawaiite in the next section. The interior uses of Anthracite include Not yet used whereas the interior uses of Hawaiite include Decorative aggregates, Floor tiles, Flooring, Homes, Hotels, Interior decoration and Kitchens. Due to some exceptional properties of Anthracite and Hawaiite, they have various applications in construction industry. The uses of Anthracite in construction industry include Cement manufacture, For road aggregate, Making natural cement, Steel production and that of Hawaiite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Anthracite and Hawaiite

Here you can know more about Anthracite and Hawaiite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anthracite and Hawaiite consists of mineral content and compound content. The mineral content of Anthracite includes Calcite, Clay, Clay Minerals and mineral content of Hawaiite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Metamorphic Rocks. When we have to compare Anthracite vs Hawaiite, the texture, color and appearance plays an important role in determining the type of rock. Anthracite is available in black, brown, dark brown, grey, light to dark grey colors whereas, Hawaiite is available in black, brown, light to dark grey colors. Appearance of Anthracite is Veined or Pebbled and that of Hawaiite is Dull and Soft. Properties of rock is another aspect for Anthracite vs Hawaiite. The hardness of Anthracite is 1-1.5 and that of Hawaiite is 6. The types of Anthracite are Semi-anthracite and Meta-anthracite whereas types of Hawaiite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anthracite is black while that of Hawaiite is not available. The specific heat capacity of Anthracite is 1.32 kJ/Kg K and that of Hawaiite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Anthracite is heat resistant, water resistant whereas Hawaiite is heat resistant, pressure resistant, wear resistant.

Metamorphic Rocks

Metamorphic Rocks

» More Metamorphic Rocks

Compare Metamorphic Rocks

» More Compare Metamorphic Rocks