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
✔
✘
81% - Metamorphic Rocks Rocks have it !
Scratch Resistant
✔
✘
65% - Metamorphic Rocks Rocks have it !
Stain Resistant
✔
✘
42% - Metamorphic Rocks Rocks have it !
Wind Resistant
✔
✘
19% - Metamorphic Rocks Rocks
Acid Resistant
✔
✘
15% - Metamorphic Rocks Rocks
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
✔
✘
50% - Metamorphic Rocks Rocks
Types of Metamorphism
-
Weathering
✔
✘
65% - Metamorphic Rocks Rocks have it !
Types of Weathering
Biological Weathering, Chemical Weathering
Erosion
✔
✘
77% - Metamorphic Rocks Rocks have it !
Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion
Properties
Physical Properties
Hardness
6-7
1
7
👆🏻
Grain Size
Medium to Coarse Grained
Fracture
-
Streak
White
Porosity
Very Less Porous
Luster
Vitreous
Compressive Strength
175.00 N/mm2
Rank: 20 (Overall)
0.15
450
👆🏻
Cleavage
-
Toughness
-
Specific Gravity
2.8-3.0
0
8.4
👆🏻
Transparency
Opaque
Density
3.06-3.33 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.14 kJ/Kg K
Rank: 33 (Overall)
0.14
3.2
👆🏻
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
-