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Benmoreite
Benmoreite

Obsidian
Obsidian



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Benmoreite
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Obsidian

Benmoreite vs Obsidian

Definition

Definition

An iron rich extrusive rock found as a member of the alkali basalt magma series
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

Isle of Mull, Scotland
Ethiopia

Discoverer

Ben More
Obsius

Etymology

From the name of discoverer, Ben More
From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

Volcanic
Volcanic

Other Categories

Fine Grained Rock, Opaque Rock
Opaque Rock

Texture

Texture

Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular
Glassy

Color

Black, Brown, Light to Dark Grey
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

Rough and Dull
Shiny

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing
-

Industry

Construction Industry

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points

Medical Industry

-
Surgery

Antiquity Uses

Artifacts, Monuments, Sculpture
Artifacts, Jewellery

Other Uses

Commercial Uses

Commemorative Tablets, Creating Artwork, Curling
Creating Artwork, Mirror, Used in aquariums

Types

Types

Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB) and Tholeiitic Basalt
Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian

Features

Has High structural resistance against erosion and climate, Very fine grained rock
Blocks negativity, Helps to protect against depression

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Benmoreite is a type of Igneous rock which is formed through the cooling and solidification of lava or magma. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
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

Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase
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Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium 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, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

Weathering

Types of Weathering

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

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

65-5.5
1 7
👆🏻

Grain Size

Fine Grained
-

Fracture

Conchoidal
Conchoidal

Streak

Black
White

Porosity

Less Porous
Very Less Porous

Luster

Earthy
Vitreous

Compressive Strength

37.40 N/mm20.15 N/mm2
0.15 450
👆🏻

Cleavage

Perfect
-

Toughness

2.3
-

Specific Gravity

2.8-32.6-2.7
0 8.4
👆🏻

Transparency

Opaque
Translucent

Density

2.9-3.1 g/cm32.6 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, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia
Afghanistan, Indonesia, Japan, Russia

Africa

South Africa
Kenya

Europe

Iceland
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

-
New Zealand

Benmoreite 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 Benmoreite and Obsidian Reserves. An iron rich extrusive rock found as a member of the alkali basalt magma series. 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 Benmoreite vs Obsidian information and Benmoreite vs Obsidian characteristics in the upcoming sections.

Benmoreite 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. Benmoreite vs Obsidian characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Benmoreite and Properties of Obsidian. Learn more about Benmoreite vs Obsidian in the next section. The interior uses of Benmoreite include Floor tiles, Homes, Hotels and Kitchens whereas the interior uses of Obsidian include Decorative aggregates and Interior decoration. Due to some exceptional properties of Benmoreite and Obsidian, they have various applications in construction industry. The uses of Benmoreite in construction industry include As dimension stone, Cobblestones, Rail track ballast, Roadstone and that of Obsidian include Arrowheads, Cutting tool, Knives, Scrapers, Spear points.

More about Benmoreite and Obsidian

Here you can know more about Benmoreite and Obsidian. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Benmoreite and Obsidian consists of mineral content and compound content. The mineral content of Benmoreite includes Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase and mineral content of Obsidian includes . You can also check out the list of all Igneous Rocks. When we have to compare Benmoreite vs Obsidian, the texture, color and appearance plays an important role in determining the type of rock. Benmoreite is available in black, brown, light to dark grey colors whereas, Obsidian is available in black, blue, brown, green, orange, red, tan, yellow colors. Appearance of Benmoreite is Rough and Dull and that of Obsidian is Shiny. Properties of rock is another aspect for Benmoreite vs Obsidian. The hardness of Benmoreite is 6 and that of Obsidian is 5-5.5. The types of Benmoreite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB) and Tholeiitic Basalt 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 Benmoreite is black while that of Obsidian is white. The specific heat capacity of Benmoreite is 0.84 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.Benmoreite is heat resistant, pressure resistant, wear resistant whereas Obsidian is heat resistant, impact resistant.