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Variolite
Variolite

Suevite
Suevite



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Variolite
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Variolite vs Suevite

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Definition

Definition

Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance
During the impact melted material forming a breccia containing glass and crystal or lithic fragments together form Suevite rock.

History

Origin

France
Canada, Germany

Discoverer

Unknown
Unknown

Etymology

From Latin varius, speckled, variegated
No etymologies found

Class

Igneous Rocks
Metamorphic Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock

Family

Group

Volcanic
-

Other Categories

Opaque Rock
Coarse Grained Rock, Opaque Rock

Texture

Texture

Glassy, Massive, Porphyritic, Scoriaceous, Vesicular
Earthy

Color

Black, Brown, Light to Dark Grey
Black, Brown, Green, Grey, Pink

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Soft
Banded

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Cemetery Markers, Creating Artwork
As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Source of Magnesia (MgO)

Types

Types

Metamorphic rock
Phyllosilicates, Calcite

Features

Has High structural resistance against erosion and climate, Very fine grained rock
Host Rock for Lead

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Variolites are a group of dark green basic igneous rocks that exhibit pale colored spots on weathered surfaces that give them a pockmarked appearance.
Suevite is a metamorphic rock consisting partly of melted material, typically forming a breccia containing glass and crystal or lithic fragments, formed during an impact event.

Composition

Mineral Content

Olivine, Plagioclase, Pyroxene
Coesite, Quartz, Stishovite

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
-

Erosion

Types of Erosion

-
-

Properties

Physical Properties

Hardness

65.5
1 7
👆🏻

Grain Size

-
Coarse Grained

Fracture

Conchoidal
Uneven

Streak

White to Grey
Light to dark brown

Porosity

Less Porous
Less Porous

Luster

-
Earthy

Compressive Strength

37.50 N/mm265.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

2.3
-

Specific Gravity

2.8-32.86
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.9-3.1 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia
-

Africa

South Africa
-

Europe

Iceland
England, France, Germany, Great Britain, Netherlands, Sweden, Switzerland, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada, USA
-

South America

Brazil
-

Deposits in Oceania Continent

Australia

-
-

Variolite vs Suevite 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 Variolite and Suevite Reserves. Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. During the impact melted material forming a breccia containing glass and crystal or lithic fragments together form Suevite rock.. 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 Variolite vs Suevite information and Variolite vs Suevite characteristics in the upcoming sections.

Variolite vs Suevite 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. Variolite vs Suevite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Variolite and Properties of Suevite. Learn more about Variolite vs Suevite in the next section. The interior uses of Variolite include Floor tiles, Flooring, Homes, Hotels and Kitchens whereas the interior uses of Suevite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Variolite and Suevite, they have various applications in construction industry. The uses of Variolite in construction industry include As dimension stone, Cobblestones, Rail track ballast, Roadstone and that of Suevite include As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Variolite and Suevite

Here you can know more about Variolite and Suevite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Variolite and Suevite consists of mineral content and compound content. The mineral content of Variolite includes Olivine, Plagioclase, Pyroxene and mineral content of Suevite includes Coesite, Quartz, Stishovite. You can also check out the list of all Igneous Rocks. When we have to compare Variolite vs Suevite, the texture, color and appearance plays an important role in determining the type of rock. Variolite is available in black, brown, light to dark grey colors whereas, Suevite is available in black, brown, green, grey, pink colors. Appearance of Variolite is Dull and Soft and that of Suevite is Banded. Properties of rock is another aspect for Variolite vs Suevite. The hardness of Variolite is 6 and that of Suevite is 5.5. The types of Variolite are Metamorphic rock whereas types of Suevite are Phyllosilicates, Calcite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Variolite is white to grey while that of Suevite is light to dark brown. The specific heat capacity of Variolite is 0.84 kJ/Kg K and that of Suevite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Variolite is heat resistant, pressure resistant, wear resistant whereas Suevite is heat resistant.