Charnockite

Hawaiite

Charnockite and Hawaiite

Charnockite

Hawaiite

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Definition

Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar

Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite

History

Origin

Tamil Nadu, India

Hawaii Islands

Discoverer

T. H. Holland

Joseph Iddings

Etymology

From Job Charnock, an administtrator of East India Company

From Hawaii Islands

Class

Igneous Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Medium Hardness Rock

Family

Group

Plutonic

Volcanic

Other Categories

Coarse Grained Rock, Opaque Rock

Opaque Rock

Texture

Granular

Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

Black, Grey, Orange, Pink, White

Black, Brown, Light to Dark Grey

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Veined or Pebbled

Dull and Soft

Uses

Architecture

Interior Uses

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

Decorative Aggregates, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens

Exterior Uses

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

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts

Other Uses

Commercial Uses

Curling, Gemstone, Laboratory bench tops, Tombstones

Creating Artwork, Sea Defence

Types

Enderbite

Volcanic rock

Features

Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock

Has High structural resistance against erosion and climate, Very fine grained rock

Archaeological Significance

Monuments

Famous Monuments

Easter Island in the Polynesian Triangle, Pacific Ocean

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.

Hawaiite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes and reach the Earth's surface.

Composition

Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz

Olivine, Plagioclase, Pyroxene

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Impact Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

6-76

1 7

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Grain Size

Coarse Grained

Fracture

Conchoidal

Streak

White

Porosity

Very Less Porous

Less Porous

Luster

Compressive Strength

190.00 N/mm²37.40 N/mm²

0.15 450

👆🏻

Cleavage

Toughness

Specific Gravity

-9999-9999

0 8.4

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Transparency

Opaque

Density

2.6 g/cm³-9999 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Wear Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India

India, Russia

Africa

East Africa, Ethiopia, Madagascar, Morocco, Mozambique

South Africa

Europe

Albania, Romania, Scotland, United Kingdom

Iceland

Others

Hawaii Islands

Deposits in Western Continents

North America

USA

Canada, USA

South America

Brazil, Colombia, Venezuela

Brazil

Deposits in Oceania Continent

Australia

Central Australia, Western Australia

All about Charnockite and Hawaiite Properties

Know all about Charnockite and Hawaiite properties here. All properties of rocks are important as they define the type of rock and its application. Charnockite and Hawaiite belong to Igneous Rocks.Texture of Charnockite is Granular whereas that of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Charnockite appears Veined or Pebbled and Hawaiite appears Dull and Soft. The luster of Charnockite and Hawaiite is . Charnockite is available in black, grey, orange, pink, white colors whereas Hawaiite is available in black, brown, light to dark grey colors. The commercial uses of Charnockite are curling, gemstone, laboratory bench tops, tombstones and that of Hawaiite are creating artwork, sea defence.