Serpentinite

Rhomb Porphyry

Serpentinite and Rhomb Porphyry

Serpentinite

Rhomb Porphyry

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Definition

A hydration and metamorphic transformation of ultramafic rock from the Earth's mantle is called as serpentinization, a group of minerals is formed by serpentinization compose rock 'serpentinite'.

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

History

Origin

USA

Discoverer

Unknown

Etymology

From English word serpentinization.

From Latin term that means purple

Class

Metamorphic Rocks

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Volcanic

Other Categories

Fine Grained Rock, Opaque Rock

Texture

Earthy

Aphanitic to Porphyritic

Color

Black, Brown, Green, Grey, White

Black, Brown, Green, Grey, Pink, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Rough and Dull

Rough

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration

Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

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

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement

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

Medical Industry

Antiquity Uses

Artifacts, Jewellery, Monuments, Sculpture

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Commemorative Tablets, Creating Artwork

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

Types

Jadeitite

Igneous rock

Features

Host Rock for Lead

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Serpentinite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

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.

Composition

Mineral Content

Carbonate, Magnetite, Pyrrhotite, Serpentine, Sulfides

Alkali feldspar, Biotite, Plagioclase, Pyroxene

Compound Content

Ca, CaO, Carbon Dioxide, KCl, MgO, Sulfur Dioxide, Sulphur

CaO, Cl, MgO

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

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

Impact Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

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

Chemical Erosion, Coastal Erosion, Glacier Erosion, Water Erosion

Properties

Physical Properties

Hardness

3-55-5.5

1 7

👆🏻

Grain Size

Very fine-grained

Fine Grained

Fracture

Uneven

Conchoidal

Streak

White, Greenish White or Grey

White

Porosity

Less Porous

Very Less Porous

Luster

Waxy and Dull

Subvitreous to Dull

Compressive Strength

310.00 N/mm²310.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

2.7

Specific Gravity

2.79-32.86

0 8.4

👆🏻

Transparency

Opaque

Translucent

Density

2.5-3 g/cm³2.8-2.9 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.95 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant

Heat Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Saudi Arabia, Singapore, South Korea

Africa

Ethiopia, Western Africa

Europe

England, Georgia, Switzerland, United Kingdom

Bulgaria

Others

Deposits in Western Continents

North America

Canada

USA

South America

Colombia

Deposits in Oceania Continent

Australia

Central Australia, New South Wales, New Zealand, Western Australia

All about Serpentinite and Rhomb Porphyry Properties

Know all about Serpentinite and Rhomb Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Serpentinite belongs to Metamorphic Rocks while Rhomb Porphyry belongs to Igneous Rocks.Texture of Serpentinite is Earthy whereas that of Rhomb Porphyry is Aphanitic to Porphyritic. Serpentinite appears Rough and Dull and Rhomb Porphyry appears Rough. The luster of Serpentinite is waxy and dull while that of Rhomb Porphyry is subvitreous to dull. Serpentinite is available in black, brown, green, grey, white colors whereas Rhomb Porphyry is available in black, brown, green, grey, pink, white colors. The commercial uses of Serpentinite are commemorative tablets, creating artwork and that of Rhomb Porphyry are an oil and gas reservoir, as a feed additive for livestock, metallurgical flux, soil conditioner, source of magnesia (mgo).