Granulite Rock | History

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

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

Metamorphic rock

Features

Clasts are smooth to touch

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

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