Marble

Chert

Marble vs Chert

Marble

Chert

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Definition

Marble is a non-foliated metamorphic rock which is composed of recrystallized carbonate which is formed when limestone is exposed to high temperatures and pressures over a long time

Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture

History

Origin

Egypt

Discoverer

Unknown

Etymology

From the Greek marmaros, shining stone and also from the English word marmoreal meaning marble-like

From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use

Class

Metamorphic Rocks

Sedimentary Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

Family

Group

Other Categories

Medium Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Granular

Banded, Rough

Color

Black, Blue, Brown, Grey, Pink, White

Black, Brown, Green, Grey, Red, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Veined and Shiny

Glassy or Pearly

Uses

Architecture

Interior Uses

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

Decorative Aggregates, Homes

Exterior Uses

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

As Building Stone, As Facing Stone, Garden Decoration, Office Buildings

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone

Arrowheads, Construction Aggregate, Cutting Tool, Spear Points

Medical Industry

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture, Small Figurines

Artifacts, Monuments

Other Uses

Commercial Uses

Cemetery Markers, Commemorative Tablets, Creating Artwork, Curling, Laboratory bench tops, Paper Industry, Tombstones, Used in aquariums, Whiting material in toothpaste, paint and paper

Creating Artwork, Gemstone, In fire-starting tools, Jewelry, To ignite fire, Used in flintlock firearms

Types

Breccia Marble, Carrara Marble, Calacatta marble, Cultured Marble, Polished Marble, Honed Marble, Sand Marble

Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter

Features

Available in Lots of Colors and Patterns, Easily splits into thin plates, Generally rough to touch, Is one of the oldest rock

Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate

Archaeological Significance

Monuments

Famous Monuments

Al Aqsa Mosque in Jerusalem, Buland Darwaza in Agra, India, Capitol Hill Building, Washington DC, Charminar in Hyderabad, India, Chhatrapati Shivaji Terminus in Maharashtra, India, Ephesus in Turkey, Faisal Mosque in Islamabad, Pakistan, Humayun's Tomb in Delhi, India, Jama Masjid in Delhi, India, Lotus Temple in New Delhi, India, Louvre in Paris, France, Mysore Palace in Karnataka, India, Neuschwanstein in Bavaria, Palace of Parliament in Bucharest, Romania, Parthenon in Greece, Potala Palace in Lahasa, Tibet, Prophet’s Mosque in Medina, Qutb Minar in India, Saint Basil's Cathedral in Moscow, Russia, St. Peter’s Cathedral in Vatican City, Taj Mahal in Agra, India, Tower of Pisa, Italy, Victoria Memorial in Kolkata, India, Washington Monument, US

Sculpture

Famous Sculptures

Ajanta Caves in Maharashtra, India, Bust of Artemis, Elephanta Caves in Maharashtra, India, Lincoln Memorial in America

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Present

Formation

Marble is a metamorphic rock produced from limestone in the earth crust. It is formed by the metamorphism of limestone.

Chert forms when microcrystals of silicon dioxide grow within soft sediments that become limestone or chalk. The chert formation can be either of chemical or biological origin.

Composition

Mineral Content

Garnet, Graphite, Olivine, Pyrite, Quartz

Quartz, Silicon

Compound Content

CaO, Iron(III) Oxide, FeO, MgO, Silicon Dioxide

Silicon Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Impact Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion

Chemical Erosion

Properties

Physical Properties

Hardness

3-46.5-7

1 7

👆🏻

Grain Size

Medium Grained

Very fine-grained

Fracture

Uneven, Splintery or Conchoidal

Streak

White

Porosity

Less Porous

Highly Porous

Luster

Dull to Pearly to Subvitreous

Waxy and Dull

Compressive Strength

115.00 N/mm²450.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

1.5

Specific Gravity

2.86-2.872.5-2.8

0 8.4

👆🏻

Transparency

Opaque

Translucent to Opaque

Density

2.4-2.7 g/cm³2.7 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.88 kJ/Kg K0.74 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India

China, India, Iran, Japan, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam

Africa

Namibia

Kenya, Morocco, South Africa, Tanzania

Europe

Italy, Spain

Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom

Others

Greenland, Mid-Atlantic Ridge

Deposits in Western Continents

North America

Canada, Mexico, USA

South America

Bolivia, Brazil

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland, Victoria

New South Wales, Queensland, South Australia, Western Australia

Marble vs Chert Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Marble and Chert Reserves. Marble is a non-foliated metamorphic rock which is composed of recrystallized carbonate which is formed when limestone is exposed to high temperatures and pressures over a long time. Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Marble vs Chert information and Marble vs Chert characteristics in the upcoming sections.

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Marble vs Chert Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Marble vs Chert characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Marble and Properties of Chert. Learn more about Marble vs Chert in the next section. The interior uses of Marble include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Homes, Hotels, Interior decoration, Kitchens and Stair treads whereas the interior uses of Chert include Decorative aggregates and Homes. Due to some exceptional properties of Marble and Chert, they have various applications in construction industry. The uses of Marble in construction industry include As dimension stone and that of Chert include Arrowheads, Construction aggregate, Cutting tool, Spear points.

More about Marble and Chert

Here you can know more about Marble and Chert. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Marble and Chert consists of mineral content and compound content. The mineral content of Marble includes Garnet, Graphite, Olivine, Pyrite, Quartz and mineral content of Chert includes Quartz, Silicon. You can also check out the list of all Metamorphic Rocks. When we have to compare Marble vs Chert, the texture, color and appearance plays an important role in determining the type of rock. Marble is available in black, blue, brown, grey, pink, white colors whereas, Chert is available in black, brown, green, grey, red, white colors. Appearance of Marble is Veined and Shiny and that of Chert is Glassy or Pearly. Properties of rock is another aspect for Marble vs Chert. The hardness of Marble is 3-4 and that of Chert is 6.5-7. The types of Marble are Breccia Marble, Carrara Marble, Calacatta marble, Cultured Marble, Polished Marble, Honed Marble, Sand Marble whereas types of Chert are Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Marble and Chert is white. The specific heat capacity of Marble is 0.88 kJ/Kg K and that of Chert is 0.74 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Marble is heat resistant whereas Chert is heat resistant, impact resistant, pressure resistant, wear resistant.