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Jaspillite
Jaspillite

Obsidian
Obsidian



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Jaspillite
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Obsidian

Jaspillite vs Obsidian

Definition

Definition

Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth

History

Origin

Western Australia, Minnesota
Ethiopia

Discoverer

Unknown
Obsius

Etymology

From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius

Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Volcanic

Other Categories

Coarse Grained Rock, Opaque Rock
Opaque Rock

Texture

Texture

Banded, Trellis
Glassy

Color

Red, Reddish Brown
Black, Blue, Brown, Green, Orange, Red, Tan, Yellow

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Banded and Glassy
Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration
Decorative Aggregates, Interior Decoration

Exterior Uses

As Facing Stone, Garden Decoration, Paving Stone
Garden Decoration

Other Architectural Uses

Curbing
-

Industry

Construction Industry

As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points

Medical Industry

-
Surgery

Antiquity Uses

Artifacts, Jewellery, Monuments
Artifacts, Jewellery

Other Uses

Commercial Uses

Creating Artwork, Jewelry
Creating Artwork, Mirror, Used in aquariums

Types

Types

Algoma-type , Lake Superior-type and Superior-type
Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian

Features

Is one of the oldest rock
Blocks negativity, Helps to protect against depression

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Present
Absent

Formation

Formation

Jaspillite is a type of sedimentary rock which is formed by the compaction and sedimentation of pieces of broken or weathered rocks and minerals.
When the lava is released from volcano, it undergoes a very rapid cooling which freezes the mechanisms of crystallization. The result is a volcanic glass with a uniform smooth texture.

Composition

Mineral Content

Coesite, Quartz, Sand
-

Compound Content

Fe, Iron(III) Oxide, Silicon Dioxide
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, Cataclastic Metamorphism, Contact Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

35-5.5
1 7
👆🏻

Grain Size

Large and Coarse Grained
-

Fracture

Conchoidal
Conchoidal

Streak

White
White

Porosity

Very Less Porous
Very Less Porous

Luster

Earthy
Vitreous

Compressive Strength

230.00 N/mm20.15 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
-

Specific Gravity

5.0-5.32.6-2.7
0 8.4
👆🏻

Transparency

Translucent to Opaque
Translucent

Density

0-5.7 g/cm32.6 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

3.20 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant, Wear Resistant
Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia

Russia
Afghanistan, Indonesia, Japan, Russia

Africa

-
Kenya

Europe

Ukraine
Greece, Hungary, Iceland, Italy, Turkey

Others

-
-

Deposits in Western Continents

North America

Canada, USA
Canada, Mexico, USA

South America

Brazil
Argentina, Chile, Ecuador, Peru

Deposits in Oceania Continent

Australia

Western Australia
New Zealand

Jaspillite vs Obsidian 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 Jaspillite and Obsidian Reserves. Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks. Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. 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 Jaspillite vs Obsidian information and Jaspillite vs Obsidian characteristics in the upcoming sections.

Jaspillite vs Obsidian 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. Jaspillite vs Obsidian characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Jaspillite and Properties of Obsidian. Learn more about Jaspillite vs Obsidian in the next section. The interior uses of Jaspillite include Decorative aggregates and Interior decoration whereas the interior uses of Obsidian include Decorative aggregates and Interior decoration. Due to some exceptional properties of Jaspillite and Obsidian, they have various applications in construction industry. The uses of Jaspillite in construction industry include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories and that of Obsidian include Arrowheads, Cutting tool, Knives, Scrapers, Spear points.

More about Jaspillite and Obsidian

Here you can know more about Jaspillite and Obsidian. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Jaspillite and Obsidian consists of mineral content and compound content. The mineral content of Jaspillite includes Coesite, Quartz, Sand and mineral content of Obsidian includes . You can also check out the list of all Sedimentary Rocks. When we have to compare Jaspillite vs Obsidian, the texture, color and appearance plays an important role in determining the type of rock. Jaspillite is available in red, reddish brown colors whereas, Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors. Appearance of Jaspillite is Banded and Glassy and that of Obsidian is Shiny. Properties of rock is another aspect for Jaspillite vs Obsidian. The hardness of Jaspillite is 3 and that of Obsidian is 5-5.5. The types of Jaspillite are Algoma-type , Lake Superior-type and Superior-type whereas types of Obsidian are Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Jaspillite and Obsidian is white. The specific heat capacity of Jaspillite is 3.20 kJ/Kg K and that of Obsidian 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.Jaspillite is heat resistant, impact resistant, wear resistant whereas Obsidian is heat resistant, impact resistant.