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Granulite Rock



Definition

Definition
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.

History

Origin
Central Europe

Discoverer
Unknown

Etymology
From Latin granulum, a little grain or fine grained

Class
Metamorphic Rocks

Sub-Class
Durable Rock, Hard Rock

Family

Group
-

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

Texture

Texture
Granoblastic

Color
Black, Brown

Maintenance
Less

Durability
Durable

Water Resistant
Yes

Scratch Resistant
Yes

Stain Resistant
Yes

Wind Resistant
No

Acid Resistant
No

Appearance
Veined or Pebbled

Uses

Architecture

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

Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone

Other Architectural Uses
Curbing

Industry

Construction Industry
As Dimension Stone, Building houses or walls

Medical Industry
-

Antiquity Uses
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses
Curling, Gemstone, Laboratory bench tops, Soil Conditioner, Tombstones

Types

Types
Metamorphic rock

Features
Clasts are smooth to touch

Archaeological Significance

Monuments
-

Famous Monuments
-

Sculpture
-

Famous Sculptures
-

Pictographs
-

Petroglyphs
-

Figurines
-

Fossils
Absent

Formation

Formation
Granulite is a fine-grained granular metamorphic rock in which the main component minerals are feldspars and quartz and forms at high temperature and pressure conditions.

Composition

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

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

Transformation

Metamorphism
No

Types of Metamorphism
-

Weathering
Yes

Types of Weathering
Biological Weathering, Chemical Weathering

Erosion
Yes

Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness
6-7

Grain Size
Medium to Coarse Grained

Fracture
-

Streak
White

Porosity
Very Less Porous

Luster
Vitreous

Compressive Strength
175.00 N/mm2 20

Cleavage
-

Toughness
-

Specific Gravity
2.8-3.0

Transparency
Opaque

Density
3.06-3.33 g/cm3

Thermal Properties

Specific Heat Capacity
0.14 kJ/Kg K 33

Resistance
Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

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

Africa
Angola, Egypt, Madagascar, Nigeria, South Africa

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

Others
-

Deposits in Western Continents

North America
Canada, USA

South America
-

Deposits in Oceania Continent

Australia
-

Definition >>
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Metamorphic Rocks

Information about Granulite

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Granulite Uses. We have provided you with all information about Granulite rock here. Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.. Granulite is available in black, brown colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Granulite is white. Get to know more about Granulite rock and characteristics of Granulite rock in the next sections.

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