Peridotite

Lignite

Peridotite and Lignite

Peridotite

Lignite

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1 Definition

1.1 Definition

Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle

Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat

1.2 History

1.2.1 Origin

Pike County, U.S

France

1.2.2 Discoverer

Unknown

1.3 Etymology

From French, from peridot +‎ -ite

From French, Latin lignum wood + -ite1

1.4 Class

Igneous Rocks

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Soft Rock

1.5 Family

1.5.1 Group

Plutonic

Not Applicable

1.6 Other Categories

Coarse Grained Rock, Opaque Rock

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Phaneritic

Amorphous, Glassy

2.2 Color

Dark Greenish - Grey

Black, Brown, Dark Brown, Grey, Light to Dark Grey

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

81% Igneous Rocks Rocks have it !

✔ ✘

59% Sedimentary Rocks Rocks have it !

2.4.2 Scratch Resistant

✔ ✘

86% Igneous Rocks Rocks have it !

✔ ✘

62% Sedimentary Rocks Rocks have it !

2.4.3 Stain Resistant

✔ ✘

66% Igneous Rocks Rocks have it !

✔ ✘

43% Sedimentary Rocks Rocks have it !

2.4.4 Wind Resistant

✔ ✘

49% Igneous Rocks Rocks have it !

✔ ✘

38% Sedimentary Rocks Rocks have it !

2.4.5 Acid Resistant

✔ ✘

48% Igneous Rocks Rocks have it !

✔ ✘

22% Sedimentary Rocks Rocks have it !

2.5 Appearance

Rough and Shiny

Veined or Pebbled

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Interior Decoration

Not Yet Used

3.1.2 Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration

Not Yet Used

3.1.3 Other Architectural Uses

Curbing

Not Yet Used

3.2 Industry

3.2.1 Construction Industry

As Dimension Stone, Cobblestones

for Road Aggregate, Steel Production

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Monuments, Sculpture, Small Figurines

Not Yet Used

3.4 Other Uses

3.4.1 Commercial Uses

Creating Artwork, Gemstone, Jewelry, Source of Chromite, Platinum, Nickel and Garnet, Source of Diamonds

Electricity Generation

4 Types

4.1 Types

Dunite, Wehrlite, Harzburgite, Lherzolite and Pyrolite

Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite

4.2 Features

Constitutes upper part of the Earth's mantle, Generally rough to touch, Host rock for Diamond, Is one of the oldest rock

Generally rough to touch, Helps in production of Heat and Electricity, Used as fossil fuel

4.3 Archaeological Significance

4.3.1 Monuments

Used

Not Yet Used

4.3.2 Famous Monuments

Data Not Available

Not Applicable

4.3.3 Sculpture

Used

Not Yet Used

4.3.4 Famous Sculptures

Data Not Available

Not Applicable

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Used

Not Yet Used

4.4 Fossils

Absent

Present

5 Formation

5.1 Formation

Peridotites can be formed in two ways: as mantle rocks formed during the accretion and differentiation of the Earth or as cumulate rocks formed by precipitation of olivine and pyroxenes from basaltic magmas.

Coal formation takes place due to accumulation of plant debris in a swamp environment. The Coal formation process continues, as peat turns into lignite brown or black coal at increasing heat and pressure.

5.2 Composition

5.2.1 Mineral Content

Amphibole, Chromite, Garnet, Magnesium, Olivine, Phlogopite, Plagioclase, Pyroxene

Not Available

5.2.2 Compound Content

Ca, Fe, Mg, Potassium, Silicon Dioxide, Sodium, Titanium Dioxide

Carbon, Hydrogen, Nitrogen, Oxygen, Sulphur

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

97% Igneous Rocks Rocks have it !

✔ ✘

19% Sedimentary Rocks Rocks have it !

5.3.2 Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Not Applicable

5.3.3 Weathering

✔ ✘

99% Igneous Rocks Rocks have it !

✔ ✘

78% Sedimentary Rocks Rocks have it !

5.3.4 Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

5.3.5 Erosion

✔ ✘

92% Igneous Rocks Rocks have it !

✔ ✘

86% Sedimentary Rocks Rocks have it !

5.3.6 Types of Erosion

Chemical Erosion

Chemical Erosion, Water Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

5.5-6

6.1.2 Grain Size

Coarse Grained

Medium to Fine Coarse Grained

6.1.3 Fracture

Irregular

Conchoidal

6.1.4 Streak

White

Black

6.1.5 Porosity

Less Porous

Highly Porous

6.1.6 Luster

Shiny

Dull to Vitreous to Submetallic

6.1.7 Compressive Strength

What Is Flint

⊕

▶

▼

107.55 N/mm²

Rank: 19 (Overall)▶

Not Available

Rank: N/A (Overall)▶

▲

What Is Obsidian

⊕

▶

175 (What Is Grani..)

◀ ▶ ADD ⊕

6.1.8 Cleavage

Imperfect

Non-Existent

6.1.9 Toughness

2.1

Not Available

6.1.10 Specific Gravity

3-3.01

1.1-1.4

6.1.11 Transparency

Translucent to Opaque

Opaque

6.1.12 Density

3.1-3.4 g/cm³

800-801 g/cm³

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

What Is Banded ..

⊕

▶

▼

1.26 kJ/Kg K

Rank: 5 (Overall)▶

1.26 kJ/Kg K

Rank: 5 (Overall)▶

▲

What Is Granulite

⊕

▶

1.09 (What Is Trave..)

◀ ▶ ADD ⊕

6.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey

Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam

7.1.2 Africa

Morocco, South Africa

Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania

7.1.3 Europe

Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland, Venezuela

Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Canada, USA

Canada, Mexico, USA

7.2.2 South America

Brazil

Brazil, Chile, Colombia, Venezuela

7.3 Deposits in Oceania Continent

7.3.1 Australia

New Zealand, Western Australia

New South Wales, Queensland, Victoria

All about Peridotite and Lignite Properties

Know all about Peridotite and Lignite properties here. All properties of rocks are important as they define the type of rock and its application. Peridotite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks.Texture of Peridotite is Phaneritic whereas that of Lignite is Amorphous, Glassy. Peridotite appears Rough and Shiny and Lignite appears Veined or Pebbled. The luster of Peridotite is shiny while that of Lignite is dull to vitreous to submetallic. Peridotite is available in dark greenish - grey colors whereas Lignite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Peridotite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Lignite are electricity generation.