×

Gneiss
Gneiss

Adamellite
Adamellite



ADD
Compare
X
Gneiss
X
Adamellite

Gneiss vs Adamellite

Add ⊕

Definition

Definition

Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks
Adamellite is a coarse-grained porphyritic igneous rock, a variety of Monzogranite and dominated by phenocrysts of orthoclase in a granular groundmass of perthite, plagioclase and quartz

History

Origin

-
Italy

Discoverer

Unknown
Unknown

Etymology

From the Middle High German verb gneist (to spark; so called because the rock glitters)
From German adamellit and from Monte Adamello, a mountain in Italy, its locality

Class

Metamorphic Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Hard Rock

Family

Group

-
Plutonic

Other Categories

Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Texture

Texture

Banded, Foliated, Platy
Porphyritic

Color

Black, Brown, Pink, Red, White
Black, Grey, Orange, Pink, White

Maintenance

More
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Foliated
Veined or Pebbled

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Flooring, Interior Decoration
Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration, Paving Stone
As Building Stone, As Facing Stone, Bridges, Paving Stone, Near Swimming Pools, Office Buildings, Resorts

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone
As Dimension Stone

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Cemetery Markers, Jewelry, Tombstones, Used in aquariums
Curling, Gemstone, Laboratory bench tops, Tombstones

Types

Types

Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.
Granite

Features

Generally rough to touch, Is one of the oldest rock
Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock

Archaeological Significance

Monuments

-
-

Famous Monuments

Konark Sun Temple in India, Washington Monument, US
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Gneiss is a high grade metamorphic rock i.e. it has been subjected to higher temperatures and pressures than schist. It is formed by the metamorphosis of Gneiss forms from volcanic rock, shale or granitie.
Adamellite is a type of Igneous rock which is formed through the cooling and solidification of lava or magma and is a variety of Monzogranite.

Composition

Mineral Content

Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon
Apatite, Biotite, Chlorite, Orthoclase, Perthite, Plagioclase, Quartz, Titanite, Zircon

Compound Content

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, MnO, 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

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

Weathering

Types of Weathering

Biological Weathering, Mechanical Weathering
Biological Weathering

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

76-7
1 7
👆🏻

Grain Size

Medium to Coarse Grained
Coarse Grained

Fracture

Irregular
-

Streak

White
White

Porosity

Very Less Porous
Less Porous

Luster

Dull
Dull to Grainy with Sporadic parts Pearly and Vitreous

Compressive Strength

125.00 N/mm2175.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

1.2
-

Specific Gravity

2.5-2.72.6-2.7
0 8.4
👆🏻

Transparency

Translucent to Opaque
Opaque

Density

2.6-2.9 g/cm32.6-2.8 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.70 kJ/Kg K0.79 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant
Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

Africa

Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Switzerland, Ukraine, United Kingdom
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic

Others

-
-

Deposits in Western Continents

North America

Canada, Costa Rica, Cuba, Mexico, Panama, USA
Canada, USA

South America

Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
-

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland, Victoria
-

Gneiss vs Adamellite 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 Gneiss and Adamellite Reserves. Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Adamellite is a coarse-grained porphyritic igneous rock, a variety of Monzogranite and dominated by phenocrysts of orthoclase in a granular groundmass of perthite, plagioclase and quartz. 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 Gneiss vs Adamellite information and Gneiss vs Adamellite characteristics in the upcoming sections.

Gneiss vs Adamellite 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. Gneiss vs Adamellite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gneiss and Properties of Adamellite. Learn more about Gneiss vs Adamellite in the next section. The interior uses of Gneiss include Countertops, Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Adamellite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Homes, Hotels, Kitchens and Stair treads. Due to some exceptional properties of Gneiss and Adamellite, they have various applications in construction industry. The uses of Gneiss in construction industry include As dimension stone and that of Adamellite include As dimension stone.

More about Gneiss and Adamellite

Here you can know more about Gneiss and Adamellite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gneiss and Adamellite consists of mineral content and compound content. The mineral content of Gneiss includes Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon and mineral content of Adamellite includes Apatite, Biotite, Chlorite, Orthoclase, Perthite, Plagioclase, Quartz, Titanite, Zircon. You can also check out the list of all Metamorphic Rocks. When we have to compare Gneiss vs Adamellite, the texture, color and appearance plays an important role in determining the type of rock. Gneiss is available in black, brown, pink, red, white colors whereas, Adamellite is available in black, grey, orange, pink, white colors. Appearance of Gneiss is Foliated and that of Adamellite is Veined or Pebbled. Properties of rock is another aspect for Gneiss vs Adamellite. The hardness of Gneiss is 7 and that of Adamellite is 6-7. The types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss. whereas types of Adamellite are Granite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Gneiss and Adamellite is white. The specific heat capacity of Gneiss is 0.70 kJ/Kg K and that of Adamellite is 0.79 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Gneiss is heat resistant, pressure resistant, scratch resistant, wear resistant whereas Adamellite is heat resistant, wear resistant.