Picrite

Pantellerite

Picrite vs Pantellerite

Picrite

Pantellerite

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Definition

Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine

Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite

History

Origin

Hawaii Islands

Strait of sicily

Discoverer

Unknown

Etymology

From Greek pikros bitter + -ite, 19th century

From Pantelleria, a volcanic island in the Strait of Sicily

Class

Igneous Rocks

Sub-Class

Durable Rock, Hard Rock

Family

Group

Volcanic

Other Categories

Fine Grained Rock, Opaque Rock

Texture

Earthy, Rough

Eutaxitic

Color

Black, Brown, Green, Grey, Pink, White, Yellow

Dark Greenish - Grey

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Rough and Shiny

Layered and Foliated

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As a Sintering Agent in Steel Industry to process Iron Ore, Cement Manufacture, for Road Aggregate, Manufacture of Magnesium and Dolomite Refractories, Roadstone, Used for flooring, stair treads, borders and window sills.

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts, Sculpture

Other Uses

Commercial Uses

As a Feed Additive for Livestock, As armour rock for sea walls, Metallurgical Flux, Pottery, Source of Magnesia (MgO)

Creating Artwork

Types

Oceanite

Pantelleritic Ignimbrite

Features

Host Rock for Lead

High Fe content

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Picrite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Pantellerite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content

Biotite, Olivine, Plagioclase, Pyrrhotite

Amphibole, Feldspar, Ilmenite

Compound Content

Al, CaO, Carbon Dioxide, Mg, MgO

Al, Fe

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism, Regional Metamorphism

Burial Metamorphism, Cataclastic Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering

Biological Weathering, Chemical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

6.86-7

1 7

👆🏻

Grain Size

Fine Grained

Fracture

Uneven

Sub-conchoidal

Streak

White, Greenish White or Grey

Porosity

Less Porous

Luster

Subvitreous to Dull

Earthy

Compressive Strength

189.00 N/mm²210.00 N/mm²

0.15 450

👆🏻

Cleavage

Conchoidal

Toughness

2.1

Specific Gravity

2.75-2.92-9999

0 8.4

👆🏻

Transparency

Opaque

Translucent to Opaque

Density

1.5-2.5 g/cm³-9999 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.88 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia

China, India

Africa

South Africa

Angola, Egypt, Madagascar, Namibia, Nigeria

Europe

Iceland

Germany, Iceland, Ireland, Italy, Spain, United Kingdom

Others

Deposits in Western Continents

North America

Canada, USA

South America

Brazil

Argentina, Bolivia, Brazil, Colombia, Ecuador

Deposits in Oceania Continent

Australia

Central Australia, Queensland, Western Australia

Picrite vs Pantellerite 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 Picrite and Pantellerite Reserves. Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite. 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 Picrite vs Pantellerite information and Picrite vs Pantellerite characteristics in the upcoming sections.

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Picrite vs Pantellerite 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. Picrite vs Pantellerite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Picrite and Properties of Pantellerite. Learn more about Picrite vs Pantellerite in the next section. The interior uses of Picrite include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Pantellerite include . Due to some exceptional properties of Picrite and Pantellerite, they have various applications in construction industry. The uses of Picrite in construction industry include As a sintering agent in steel industry to process iron ore, Cement manufacture, For road aggregate, Manufacture of magnesium and dolomite refractories, Roadstone, Used for flooring, stair treads, borders and window sills. and that of Pantellerite include .

More about Picrite and Pantellerite

Here you can know more about Picrite and Pantellerite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Picrite and Pantellerite consists of mineral content and compound content. The mineral content of Picrite includes Biotite, Olivine, Plagioclase, Pyrrhotite and mineral content of Pantellerite includes Amphibole, Feldspar, Ilmenite. You can also check out the list of all Igneous Rocks. When we have to compare Picrite vs Pantellerite, the texture, color and appearance plays an important role in determining the type of rock. Picrite is available in black, brown, green, grey, pink, white, yellow colors whereas, Pantellerite is available in dark greenish - grey colors. Appearance of Picrite is Rough and Shiny and that of Pantellerite is Layered and Foliated. Properties of rock is another aspect for Picrite vs Pantellerite. The hardness of Picrite is 6.8 and that of Pantellerite is 6-7. The types of Picrite are Oceanite whereas types of Pantellerite are Pantelleritic Ignimbrite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Picrite is white, greenish white or grey while that of Pantellerite is . The specific heat capacity of Picrite is 0.88 kJ/Kg K and that of Pantellerite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Picrite is heat resistant whereas Pantellerite is heat resistant.