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Skarn
Skarn

Ganister
Ganister



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Skarn vs Ganister

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Definition

Definition

Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin
A ganister is a hard, fine-grained quartzose sandstone or orthoquartzite which is basically used in the manufacture of silica brick typically used to line furnaces and is a type of sedimentary rocks.

History

Origin

USA, Australia
England

Discoverer

Tornebohm
Unknown

Etymology

From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.
From gan′is-ter i.e a hard, close-grained siliceous stone, often forming the stratum which underlies a coal-seam

Class

Metamorphic Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Hard Rock

Family

Group

-
-

Other Categories

Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Texture

Texture

Earthy, Mud-rich, Rough
Clastic, Granular, Rough

Color

Black, Brown, Green, Grey, White
Beige, Black, Brown, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull
Rough

Uses

Architecture

Interior Uses

Decorative Aggregates, Entryways, Interior Decoration
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration

Exterior Uses

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

Other Architectural Uses

Curbing
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, Gold and Silver production, Manufacture of Magnesium and Dolomite Refractories
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments, Sculpture
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Creating Artwork, Gemstone, Jewelry, Metallurgical Flux, Source of Magnesia (MgO)
An Oil and Gas Reservoir, In aquifers, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones

Types

Types

Endoskarns
Siliceous rock

Features

Host Rock for Lead, Zinc and Copper Deposits
Available in Lots of Colors and Patterns, Generally rough to touch, Very fine grained rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Present

Formation

Formation

Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Skarn is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
Ganisters are formed by the destruction of easily weathered minerals mainly feldspar, within the surface horizon of soil by soil-forming processes.

Composition

Mineral Content

Calcite, Enstatite, Epidote, Garnet, Magnetite, Pyroxene, Titanite
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz

Compound Content

Au, CaO, Carbon Dioxide, Cu, Fe, MgO
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

-
Biological Weathering

Erosion

Types of Erosion

-
Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

6.56-7
1 7
👆🏻

Grain Size

Fine Grained
Coarse or Fine

Fracture

Irregular
Splintery

Streak

Light to dark brown
White

Porosity

Less Porous
Highly Porous

Luster

Waxy and Dull
Dull

Compressive Strength

70.00 N/mm295.00 N/mm2
0.15 450
👆🏻

Cleavage

Slaty
Perfect

Toughness

2.4
2.6

Specific Gravity

2.862.2-2.8
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.8-2.9 g/cm32.2-2.8 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant
Heat Resistant, Impact Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Russia, Saudi Arabia, South Korea, Sri Lanka
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan

Africa

South Africa, Western Africa
Namibia, Nigeria, South Africa

Europe

United Kingdom
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom

Others

-
Greenland

Deposits in Western Continents

North America

Canada
Canada, USA

South America

Brazil, Colombia, Paraguay
Brazil

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
New South Wales, New Zealand

Skarn vs Ganister 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 Skarn and Ganister Reserves. Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin. A ganister is a hard, fine-grained quartzose sandstone or orthoquartzite which is basically used in the manufacture of silica brick typically used to line furnaces and is a type of sedimentary rocks.. 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 Skarn vs Ganister information and Skarn vs Ganister characteristics in the upcoming sections.

Skarn vs Ganister 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. Skarn vs Ganister characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Skarn and Properties of Ganister. Learn more about Skarn vs Ganister in the next section. The interior uses of Skarn include Decorative aggregates, Entryways and Interior decoration whereas the interior uses of Ganister include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Skarn and Ganister, they have various applications in construction industry. The uses of Skarn 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, Gold and silver production, Manufacture of magnesium and dolomite refractories and that of Ganister include Cement manufacture, Construction aggregate, For road aggregate, Production of glass and ceramics, Raw material for the manufacture of mortar.

More about Skarn and Ganister

Here you can know more about Skarn and Ganister. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Skarn and Ganister consists of mineral content and compound content. The mineral content of Skarn includes Calcite, Enstatite, Epidote, Garnet, Magnetite, Pyroxene, Titanite and mineral content of Ganister includes Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Skarn vs Ganister, the texture, color and appearance plays an important role in determining the type of rock. Skarn is available in black, brown, green, grey, white colors whereas, Ganister is available in beige, black, brown, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. Appearance of Skarn is Dull and that of Ganister is Rough. Properties of rock is another aspect for Skarn vs Ganister. The hardness of Skarn is 6.5 and that of Ganister is 6-7. The types of Skarn are Endoskarns whereas types of Ganister are Siliceous rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Skarn is light to dark brown while that of Ganister is white. The specific heat capacity of Skarn is 0.92 kJ/Kg K and that of Ganister 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.Skarn is heat resistant whereas Ganister is heat resistant, impact resistant, pressure resistant.