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Granophyre
Granophyre

Andesite
Andesite



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Granophyre
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Andesite

Granophyre vs Andesite

Definition

Definition

Granophyre is a type of granitic rock which consists of intergrown feldspar and quartz crystals in a medium to fine grained groundmass
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava

History

Origin

-
North America

Discoverer

Unknown
Theodor von Gümbel

Etymology

From German Granophyr, from Granit granite + Porphyr
From Andes mountains, where it is found in abundance

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Hard Rock

Family

Group

Volcanic
Volcanic

Other Categories

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

Texture

Texture

Granophyric
Aphanitic to Porphyritic

Color

Black, Grey, Orange, Pink, White
Bluish - Grey, Grey, Pink, Yellow

Maintenance

More
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Veined or Pebbled
Dull and Soft

Uses

Architecture

Interior Uses

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

Exterior Uses

As Building Stone, As Facing Stone, Bridges, Garden Decoration, Office Buildings, Paving Stone
Office Buildings, Roof Tiles

Other Architectural Uses

-
Curbing

Industry

Construction Industry

As Dimension Stone
Cobblestones, Construction Aggregate, for Road Aggregate

Medical Industry

-
-

Antiquity Uses

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

Other Uses

Commercial Uses

Curling, Gemstone, Laboratory bench tops, Tombstones
Commemorative Tablets, Creating Artwork

Types

Types

Intermediate intrusive rock
Icelandite

Features

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

Archaeological Significance

Monuments

-
-

Famous Monuments

-
Middle of the Earth in Ecuador

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Granophyre is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.

Composition

Mineral Content

Hornblade, Orthoclase, Plagioclase, Quartz
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

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

Properties

Physical Properties

Hardness

6-77
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Very fine-grained

Fracture

-
Uneven

Streak

White
White

Porosity

Less Porous
Less Porous

Luster

Dull to Grainy with Sporadic parts Pearly and Vitreous
Vitreous

Compressive Strength

175.00 N/mm2225.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
1.1

Specific Gravity

2.6-2.72.5-2.8
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.6-2.8 g/cm32.11-2.36 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K2.39 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
India, Indonesia, Japan, Nepal, South Korea

Africa

Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania

Europe

Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom

Others

-
-

Deposits in Western Continents

North America

Canada, USA
Mexico, USA

South America

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

Deposits in Oceania Continent

Australia

-
New South Wales, New Zealand, Western Australia

Granophyre vs Andesite 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 Granophyre and Andesite Reserves. Granophyre is a type of granitic rock which consists of intergrown feldspar and quartz crystals in a medium to fine grained groundmass. Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. 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 Granophyre vs Andesite information and Granophyre vs Andesite characteristics in the upcoming sections.

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

More about Granophyre and Andesite

Here you can know more about Granophyre and Andesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Granophyre and Andesite consists of mineral content and compound content. The mineral content of Granophyre includes Hornblade, Orthoclase, Plagioclase, Quartz and mineral content of Andesite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Granophyre vs Andesite, the texture, color and appearance plays an important role in determining the type of rock. Granophyre is available in black, grey, orange, pink, white colors whereas, Andesite is available in bluish - grey, grey, pink, yellow colors. Appearance of Granophyre is Veined or Pebbled and that of Andesite is Dull and Soft. Properties of rock is another aspect for Granophyre vs Andesite. The hardness of Granophyre is 6-7 and that of Andesite is 7. The types of Granophyre are Intermediate intrusive rock whereas types of Andesite are Icelandite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Granophyre and Andesite is white. The specific heat capacity of Granophyre is 0.79 kJ/Kg K and that of Andesite is 2.39 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Granophyre is heat resistant, wear resistant whereas Andesite is heat resistant, pressure resistant, wear resistant.