Marble

Rhyolite

Marble and Rhyolite

Marble

Rhyolite

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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

Rhyolite is a fine-grained igneous rock which is rich in silica

History

Origin

Egypt

North America

Discoverer

Unknown

Ferdinand von Richthofen

Etymology

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

From German Rhyolit, from Greek rhuax lava stream + lithos stone

Class

Metamorphic Rocks

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

Family

Group

Volcanic

Other Categories

Medium Grained Rock, Opaque Rock

Coarse Grained Rock, Opaque Rock

Texture

Granular

Aphanitic, Glassy, Porphyritic

Color

Black, Blue, Brown, Grey, Pink, White

Grey, White, Light Black

Maintenance

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Veined and Shiny

Banded

Uses

Architecture

Interior Uses

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

Decorative Aggregates, Homes, Hotels, Interior Decoration, Kitchens

Exterior Uses

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

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

Other Architectural Uses

Industry

Construction Industry

As Dimension Stone

Arrowheads, As Dimension Stone, Building houses or walls, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives

Medical Industry

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture, Small Figurines

Artifacts

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

Gemstone, Laboratory bench tops, Jewelry

Types

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

Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.

Features

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

Acidic in nature, Available in lots of colors

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

Formation

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

Rhyolite is a felsic extrusive rock and due to its high silica content, rhyolite lava is very viscous and is volcanic equivalent of granite.

Composition

Mineral Content

Garnet, Graphite, Olivine, Pyrite, Quartz

Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz

Compound Content

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

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

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Impact Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion

Chemical Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

3-46-7

1 7

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Grain Size

Medium Grained

Large and Coarse Grained

Fracture

Sub-conchoidal

Streak

White

Porosity

Less Porous

Highly Porous

Luster

Dull to Pearly to Subvitreous

Earthy

Compressive Strength

115.00 N/mm²140.00 N/mm²

0.15 450

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Cleavage

Perfect

Toughness

Specific Gravity

2.86-2.872.65-2.67

0 8.4

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Transparency

Opaque

Density

2.4-2.7 g/cm³2.4-2.6 g/cm³

0 1400

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Thermal Properties

Specific Heat Capacity

0.88 kJ/Kg K0.71 kJ/Kg K

0.14 3.2

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Resistance

Heat Resistant

Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India

Africa

Namibia

Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Italy, Spain

Germany, Iceland, Ireland, Italy, Spain

Others

Deposits in Western Continents

North America

Canada, USA

South America

Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland, Victoria

New Zealand, Queensland, Western Australia

All about Marble and Rhyolite Properties

Know all about Marble and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Marble belongs to Metamorphic Rocks while Rhyolite belongs to Igneous Rocks.Texture of Marble is Granular whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Marble appears Veined and Shiny and Rhyolite appears Banded. The luster of Marble is dull to pearly to subvitreous while that of Rhyolite is earthy. Marble is available in black, blue, brown, grey, pink, white colors whereas Rhyolite is available in grey, white, light black colors. The commercial uses of Marble are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, paper industry, tombstones, used in aquariums, whiting material in toothpaste, paint and paper and that of Rhyolite are gemstone, laboratory bench tops, jewelry.