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What is Rapakivi Granite?



Definition
0

Definition
Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase 0

History
0

Origin
Finland, Europe 0

Discoverer
Jakob Sederholm 0

Etymology
From Finnish Rapakivi which stands for crumbly rock 0

Class
Igneous Rocks 0

Sub-Class
Durable Rock, Hard Rock 0

Family
0

Group
Plutonic 0

Other Categories
Coarse Grained Rock, Opaque Rock 0

Texture
0

Texture
Granular, Phaneritic 0

Color
Black, Grey, Orange, Pink, White 0

Maintenance
More 0

Durability
Durable 0

Water Resistant
Yes 0

Scratch Resistant
Yes 0

Stain Resistant
Yes 0

Wind Resistant
No 0

Acid Resistant
Yes 0

Appearance
Veined or Pebbled 0

Uses
0

Architecture
0

Interior Uses
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads 0

Exterior Uses
As Building Stone, As Facing Stone, Office Buildings, Paving Stone, Resorts 0

Other Architectural Uses
Not Yet Used 0

Industry
0

Construction Industry
As Dimension Stone 0

Medical Industry
Not Yet Used 0

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines 0

Other Uses
0

Commercial Uses
Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Laboratory bench tops, Tombstones 0

Types
0

Types
Igneous Protolith Granite, Sedimentary Protolith Granite, Mantle Granite, Anorogenic Granite and Hybrid Granite 0

Features
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock 0

Archaeological Significance
0

Monuments
Used 0

Famous Monuments
Data Not Available 0

Sculpture
Used 0

Famous Sculptures
Data Not Available 0

Pictographs
Not Used 0

Petroglyphs
Not Used 0

Figurines
Used 0

Fossils
Absent 0

Formation
0

Formation
Granite is an igneous rock which is very hard, crystalline and is visibly homogeneous in texture and forms by melting of continental rocks 0

Composition
0

Mineral Content
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz 0

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide 0

Transformation
0

Metamorphism
Yes 0

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism 0

Weathering
Yes 0

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering 0

Erosion
Yes 0

Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion 0

Properties
0

Physical Properties
0

Hardness
6-7 0

Grain Size
Large and Coarse Grained 0

Fracture
Not Available 0

Streak
White 0

Porosity
Less Porous 0

Luster
Dull to Grainy with Sporadic parts Pearly and Vitreous 0

Compressive Strength
175.00 N/mm2 13

Cleavage
Not Available 0

Toughness
Not Available 0

Specific Gravity
2.6-2.7 0

Transparency
Opaque 0

Density
2.6-2.8 g/cm3 0

Thermal Properties
0

Specific Heat Capacity
0.79 kJ/Kg K 16

Resistance
Heat Resistant, Wear Resistant 0

Reserves
0

Deposits in Eastern Continents
0

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam 0

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa 0

Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela 0

Others
Not Yet Found 0

Deposits in Western Continents
0

North America
Canada, USA 0

South America
Not Yet Found 0

Deposits in Oceania Continent
0

Australia
Not Yet Found 0

Summary >>
<< Reserves

Igneous Rocks

Learn more about Properties of Rapakivi Granite

What is Rapakivi Granite? In this section, we will learn more about properties of Rapakivi Granite i.e. physical and thermal properties. Physical properties of Rapakivi Granite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Rapakivi Granite is 175.00 N/mm2. Streak of Rapakivi Granite is white while its cleavage is not available. Luster of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous and its fracture is not available. Rapakivi Granite is opaque in nature. Know all about Rapakivi Granite, What is Rapakivi Granite, its composition, features, facts and reserves in next sections.

Know about Composition of Rapakivi Granite

What is Rapakivi Granite composed of? Get to know about composition of Rapakivi Granite here. Rapakivi Granite definition gives information about the Formation of Rapakivi Granite and its composition.The composition of Rapakivi Granite can be further divided into mineral and compound content. The mineral content of Rapakivi Granite rock includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz and The compound content of Rapakivi Granite rock includes Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide. Almost all rocks undergo transformation process. Know all about Rapakivi Granite rock in next section.

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