Rhomb Porphyry

Hornblendite

Rhomb Porphyry vs Hornblendite

Rhomb Porphyry

Hornblendite

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1 Definition

1.1 Definition

Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts

Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock

1.2 History

1.2.1 Origin

Unknown

1.2.2 Discoverer

Unknown

1.3 Etymology

From Latin term that means purple

From German, Horn horn + blende

1.4 Class

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

1.5 Family

1.5.1 Group

Volcanic

Plutonic

1.6 Other Categories

Fine Grained Rock, Opaque Rock

Coarse Grained Rock, Medium Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Aphanitic to Porphyritic

Banded, Foliated, Massive

2.2 Color

Black, Brown, Colourless, Green, Grey, Pink, White

Black, Brown, Green, Grey

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

2.4.2 Scratch Resistant

✔ ✘

2.4.3 Stain Resistant

✔ ✘

2.4.4 Wind Resistant

✔ ✘

2.4.5 Acid Resistant

✔ ✘

2.5 Appearance

Rough

Foliated

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Homes, Interior Decoration

Countertops, Decorative Aggregates, Entryways, Flooring, Homes, Hotels, Interior Decoration, Kitchens

3.1.2 Exterior Uses

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

3.1.3 Other Architectural Uses

Curbing

3.2 Industry

3.2.1 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

As Dimension Stone, Building houses or walls, Cobblestones, Construction Aggregate, for Road Aggregate, Landscaping, Production of Glass and Ceramics, Roadstone

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts, Sculpture, Small Figurines

3.4 Other Uses

3.4.1 Commercial Uses

An Oil and Gas Reservoir, As a Feed Additive for Livestock, Metallurgical Flux, Soil Conditioner, Source of Magnesia (MgO)

Cemetery Markers, Commemorative Tablets, Creating Artwork

4 Types

4.1 Types

Not Available

Hornblende Gabbro and Hornblende Peridotite

4.2 Features

Host Rock for Lead

Clasts are smooth to touch, Matrix variable, Surfaces are often shiny

4.3 Archaeological Significance

4.3.1 Monuments

Used

Not Yet Used

4.3.2 Famous Monuments

Data Not Available

Not Applicable

4.3.3 Sculpture

Used

4.3.4 Famous Sculptures

Data Not Available

4.3.5 Pictographs

Used

Not Used

4.3.6 Petroglyphs

Used

Not Used

4.3.7 Figurines

Used

4.4 Fossils

Absent

5 Formation

5.1 Formation

Rhomb-porphyry 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.

Hornblendite 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.

5.2 Composition

5.2.1 Mineral Content

Alkali feldspar, Biotite, Plagioclase, Pyroxene

Amphibole, Calcite, Hornblade, Magnetite, Plagioclase, Wollastonite

5.2.2 Compound Content

CaO, Cl, MgO

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

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

Impact Metamorphism

Not Applicable

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

5.3.5 Erosion

✔ ✘

5.3.6 Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Water Erosion

Chemical Erosion, Water Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

5-5.56-7

1 7

6.1.2 Grain Size

Fine Grained

Medium to Coarse Grained

6.1.3 Fracture

Conchoidal

Irregular to Conchoidal

6.1.4 Streak

White

White to Grey

6.1.5 Porosity

Very Less Porous

Less Porous

6.1.6 Luster

Subvitreous to Dull

Vitreous to Dull

6.1.7 Compressive Strength

310.00 N/mm²NA

0.15 450

6.1.8 Cleavage

Perfect

Irregular

6.1.9 Toughness

2.7

2.3

6.1.10 Specific Gravity

2.862.5

0 8.4

6.1.11 Transparency

Translucent

Opaque

6.1.12 Density

2.8-2.9 g/cm³2.85-3.07 g/cm³

0 1400

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

6.2.2 Resistance

Heat Resistant, Pressure Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

Not Yet Found

Russia, Turkey

7.1.2 Africa

Not Yet Found

Burundi, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Rwanda, Somalia, South Africa, Sudan, Tanzania, Uganda

7.1.3 Europe

Bulgaria

Germany, Greece, Iceland, Norway, Poland

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

USA

Canada, USA

7.2.2 South America

Not Yet Found

Brazil

7.3 Deposits in Oceania Continent

7.3.1 Australia

Not Yet Found

South Australia, Western Australia

Rhomb Porphyry vs Hornblendite 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 Rhomb Porphyry and Hornblendite Reserves. Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts. Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock. 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 Rhomb Porphyry vs Hornblendite information and Rhomb Porphyry vs Hornblendite characteristics in the upcoming sections.

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Rhomb Porphyry vs Hornblendite 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. Rhomb Porphyry vs Hornblendite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Rhomb Porphyry and Properties of Hornblendite. Learn more about Rhomb Porphyry vs Hornblendite in the next section. The interior uses of Rhomb Porphyry include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Hornblendite include Countertops, Decorative aggregates, Entryways, Flooring, Homes, Hotels, Interior decoration and Kitchens. Due to some exceptional properties of Rhomb Porphyry and Hornblendite, they have various applications in construction industry. The uses of Rhomb Porphyry 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 Hornblendite include As dimension stone, Building houses or walls, Cobblestones, Construction aggregate, For road aggregate, Landscaping, Production of glass and ceramics, Roadstone.

More about Rhomb Porphyry and Hornblendite

Here you can know more about Rhomb Porphyry and Hornblendite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Rhomb Porphyry and Hornblendite consists of mineral content and compound content. The mineral content of Rhomb Porphyry includes Alkali feldspar, Biotite, Plagioclase, Pyroxene and mineral content of Hornblendite includes Amphibole, Calcite, Hornblade, Magnetite, Plagioclase, Wollastonite. You can also check out the list of all Igneous Rocks. When we have to compare Rhomb Porphyry vs Hornblendite, the texture, color and appearance plays an important role in determining the type of rock. Rhomb Porphyry is available in black, brown, colourless, green, grey, pink, white colors whereas, Hornblendite is available in black, brown, green, grey colors. Appearance of Rhomb Porphyry is Rough and that of Hornblendite is Foliated. Properties of rock is another aspect for Rhomb Porphyry vs Hornblendite. The hardness of Rhomb Porphyry is 5-5.5 and that of Hornblendite is 6-7. The types of Rhomb Porphyry are Not Available whereas types of Hornblendite are Hornblende Gabbro and Hornblende Peridotite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Rhomb Porphyry is white while that of Hornblendite is white to grey. The specific heat capacity of Rhomb Porphyry is 0.92 kJ/Kg K and that of Hornblendite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Rhomb Porphyry is heat resistant, pressure resistant whereas Hornblendite is heat resistant, pressure resistant, wear resistant.