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Rapakivi Granite vs Mudstone


Mudstone vs Rapakivi Granite


Definition

Definition
Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase  
Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations  

History
  
  

Origin
Finland, Europe  
-  

Discoverer
Jakob Sederholm  
William Smith  

Etymology
From Finnish Rapakivi which stands for crumbly rock  
From the English mud and stone, from low German mudde and stainaz  

Class
Igneous Rocks  
Sedimentary Rocks  

Sub-Class
Durable Rock, Hard Rock  
Durable Rock, Soft Rock  

Family
  
  

Group
Plutonic  
-  

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

Texture

Texture
Granular, Phaneritic  
Clastic  

Color
Black, Grey, Orange, Pink, White  
Black, Blue, Brown, Green, Grey, Orange, Red, White, Yellow  

Maintenance
More  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
No  
No  

Acid Resistant
Yes  
No  

Appearance
Veined or Pebbled  
Rough and Dull  

Uses

Architecture
  
  

Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads  
Decorative Aggregates, Entryways, Floor Tiles, Interior Decoration  

Exterior Uses
As Building Stone, As Facing Stone, Office Buildings, Paving Stone, Resorts  
As Building Stone, As Facing Stone, Paving Stone, Roof Tiles  

Other Architectural Uses
-  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone  
Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines  
Sculpture, Small Figurines  

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Laboratory bench tops, Tombstones  
Creating Artwork, Pottery  

Types

Types
Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite and Hybrid Granite  
Marl, Shale and Argillite  

Features
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock  
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Present  

Formation

Formation
Granite is an igneous rock which is very hard, crystalline and is visibly homogeneous in texture and forms by melting of continental rocks  
Mudstone forms when very fine-grained clay particles are deposited in water which settle at the bottom of water bodies. They are buried and compacted by overlying sediment hence forming mudstone.  

Composition
  
  

Mineral Content
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz  
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz  

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide  
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide  

Transformation
  
  

Metamorphism
Yes  
No  

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism  
-  

Weathering
Yes  
Yes  

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering  
Chemical Weathering, Mechanical Weathering  

Erosion
Yes  
Yes  

Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion  
Chemical Erosion, Sea Erosion  

Properties

Physical Properties
  
  

Hardness
6-7  
2-3  

Grain Size
Large and Coarse Grained  
Very fine-grained  

Fracture
-  
-  

Streak
White  
White  

Porosity
Less Porous  
Highly Porous  

Luster
Dull to Grainy with Sporadic parts Pearly and Vitreous  
Dull  

Compressive Strength
175.00 N/mm2  
20
25.00 N/mm2  
99+

Cleavage
-  
Perfect  

Toughness
-  
2.6  

Specific Gravity
2.6-2.7  
2.2-2.8  

Transparency
Opaque  
Opaque  

Density
2.6-2.8 g/cm3  
2.4-2.8 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.79 kJ/Kg K  
17
0.39 kJ/Kg K  
30

Resistance
Heat Resistant, Wear Resistant  
Heat Resistant, Impact Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam  
Bangladesh, China, India, Russia  

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa  
Ethiopia, Kenya, Morocco, South Africa, Tanzania  

Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic  
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
USA  

South America
-  
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela  

Deposits in Oceania Continent
  
  

Australia
-  
New South Wales, New Zealand, Queensland, Victoria, Western Australia  

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Rapakivi Granite vs Mudstone 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 Rapakivi Granite and Mudstone Reserves. Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations. 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 Rapakivi Granite vs Mudstone information and Rapakivi Granite vs Mudstone characteristics in the upcoming sections.

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Rapakivi Granite vs Mudstone 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. Rapakivi Granite vs Mudstone characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Rapakivi Granite and Properties of Mudstone. Learn more about Rapakivi Granite vs Mudstone in the next section. The interior uses of Rapakivi Granite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Flooring, Homes, Hotels, Interior decoration, Kitchens and Stair treads whereas the interior uses of Mudstone include Decorative aggregates, Entryways, Floor tiles and Interior decoration. Due to some exceptional properties of Rapakivi Granite and Mudstone, they have various applications in construction industry. The uses of Rapakivi Granite in construction industry include As dimension stone and that of Mudstone include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar.

More about Rapakivi Granite and Mudstone

Here you can know more about Rapakivi Granite and Mudstone. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Rapakivi Granite and Mudstone consists of mineral content and compound content. The mineral content of Rapakivi Granite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz and mineral content of Mudstone includes Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Rapakivi Granite vs Mudstone, the texture, color and appearance plays an important role in determining the type of rock. Rapakivi Granite is available in black, grey, orange, pink, white colors whereas, Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. Appearance of Rapakivi Granite is Veined or Pebbled and that of Mudstone is Rough and Dull. Properties of rock is another aspect for Rapakivi Granite vs Mudstone. The hardness of Rapakivi Granite is 6-7 and that of Mudstone is 2-3. The types of Rapakivi Granite are Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite and Hybrid Granite whereas types of Mudstone are Marl, Shale and Argillite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Rapakivi Granite and Mudstone is white. The specific heat capacity of Rapakivi Granite is 0.79 kJ/Kg K and that of Mudstone is 0.39 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Rapakivi Granite is heat resistant, wear resistant whereas Mudstone is heat resistant, impact resistant.

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